Buildresult: linus/axs101_defconfig/arcompact built on Jan 9 2016, 19:46

kisskb

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Status:	OK
Date/Time:	Jan 9 2016, 19:46
Duration:	0:00:45.726653
Builder:	ka1
Revision:	vmstat: allocate vmstat_wq before it is used (`751e5f5c753e8d447bcf89f9e96b9616ac081628)`
Target:	linus/axs101_defconfig/arcompact
Branch:	linus
Compiler:	arcompact (arc-buildroot-linux-uclibc-gcc (Buildroot 2015.08.1) 4.8.4)
Config:	axs101_defconfig (download)
Log:	Download original Possible warnings (109) /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/sched/core.c:3062:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:818:21: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:95:8: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:695:17: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:1268:13: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/ipc/shm.c:1219:2: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast [enabled by default] /home/kisskb/slave/src/include/linux/rbtree.h:83:28: warning: 'rb_parent' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/linux/rbtree.h:86:11: warning: 'rb_link' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/mm/mmap.c:660:17: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/namei.c:1759:10: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/namei.c:3161:10: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/net/unix/af_unix.c:1708:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/unix/af_unix.c:1036:20: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/unix/af_unix.c:1251:8: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/unix/af_unix.c:1130:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/packet/af_packet.c:2098:33: warning: 'hdrlen' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/net/unix/af_unix.c:1708:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1599:7: warning: 'dst_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1599:7: warning: 'dst_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/asm-generic/bug.h:74:48: warning: 'fn' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/include/linux/sunrpc/svc_xprt.h:174:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/net/sunrpc/svcsock.c:779:6: warning: 'optname' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/svcsock.c:779:6: warning: 'level' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c:282:12: warning: 'sin6' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_extents.h:224:8: warning: '((void )&zero_ex+8)' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_extents.h:225:12: warning: '((void )&zero_ex+6)' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/extents.c:3113:2: warning: 'zero_ex.ee_block' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/linux/buffer_head.h:363:2: warning: 'blocknr' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/tcp_input.c:4227:49: warning: array subscript is above array bounds [-Warray-bounds] /home/kisskb/slave/src/fs/ext4/extents.c:2306:14: warning: 'lblock' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/extents.c:2305:14: warning: 'len' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/linux/buffer_head.h:370:2: warning: 'blocknr' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/net/sunrpc/xdr.c:1153:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1144:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1153:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1144:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1207:12: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:26: warning: 'saddr.<Uf000>.a4.vif' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.a4.addr' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/block/cfq-iosched.c:3775:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.<Uf000>.a4.addr' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1079:7: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/arch/arc/include/asm/elf.h:58:29: warning: integer overflow in expression [-Woverflow] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/net/ipv4/ping.c:559:37: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/ping.c:532:3: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/ping.c:513:48: warning: 'icmph' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/ping.c:690:21: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/ping.c:476:63: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/ipv4/fib_trie.c:911:11: warning: 'local_tp' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/core/ethtool.c:260:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/drivers/base/regmap/regmap-mmio.c:86:1: warning: control reaches end of non-void function [-Wreturn-type] /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c:250:10: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/drivers/usb/storage/transport.c:499:15: warning: 'partial' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/drivers/usb/storage/transport.c:473:40: warning: 'partial' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/net/core/neighbour.c:3180:10: warning: 'p_name' may be used uninitialized in this function [-Wmaybe-uninitialized] Full Log # git rev-parse -q --verify 751e5f5c753e8d447bcf89f9e96b9616ac081628^{commit} 751e5f5c753e8d447bcf89f9e96b9616ac081628 already have revision, skipping fetch # git checkout -q -f -B kisskb 751e5f5c753e8d447bcf89f9e96b9616ac081628 # git clean -qxdf # git log -1 commit 751e5f5c753e8d447bcf89f9e96b9616ac081628 Author: Michal Hocko <mhocko@suse.com> Date: Fri Jan 8 11:18:29 2016 +0100 vmstat: allocate vmstat_wq before it is used kernel test robot has reported the following crash: BUG: unable to handle kernel NULL pointer dereference at 00000100 IP: [<c1074df6>] __queue_work+0x26/0x390 pdpt = 0000000000000000 pde = f000ff53f000ff53 pde = f000ff53f000ff53 Oops: 0000 [#1] PREEMPT PREEMPT SMP SMP CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.4.0-rc4-00139-g373ccbe #1 Workqueue: events vmstat_shepherd task: cb684600 ti: cb7ba000 task.ti: cb7ba000 EIP: 0060:[<c1074df6>] EFLAGS: 00010046 CPU: 0 EIP is at __queue_work+0x26/0x390 EAX: 00000046 EBX: cbb37800 ECX: cbb37800 EDX: 00000000 ESI: 00000000 EDI: 00000000 EBP: cb7bbe68 ESP: cb7bbe38 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 CR0: 8005003b CR2: 00000100 CR3: 01fd5000 CR4: 000006b0 Stack: Call Trace: __queue_delayed_work+0xa1/0x160 queue_delayed_work_on+0x36/0x60 vmstat_shepherd+0xad/0xf0 process_one_work+0x1aa/0x4c0 worker_thread+0x41/0x440 kthread+0xb0/0xd0 ret_from_kernel_thread+0x21/0x40 The reason is that start_shepherd_timer schedules the shepherd work item which uses vmstat_wq (vmstat_shepherd) before setup_vmstat allocates that workqueue so if the further initialization takes more than HZ we might end up scheduling on a NULL vmstat_wq. This is really unlikely but not impossible. Fixes: 373ccbe59270 ("mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't make any progress") Reported-by: kernel test robot <ying.huang@linux.intel.com> Signed-off-by: Michal Hocko <mhocko@suse.com> Tested-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Cc: stable@vger.kernel.org Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc-gcc --version # < git log --format=%s --max-count=1 751e5f5c753e8d447bcf89f9e96b9616ac081628 # < make -j 48 ARCH=arc O=/home/kisskb/slave/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- axs101_defconfig # Added to kconfig CONFIG_INITRAMFS_SOURCE="" # yes \n \| make -j 48 ARCH=arc O=/home/kisskb/slave/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- oldconfig yes: standard output: Broken pipe yes: write error # make -j 48 ARCH=arc O=/home/kisskb/slave/build/linus_axs101_defconfig_arcompact CROSS_COMPILE=/opt/cross/arcompact-buildroot-2015.08.1/bin/arc-buildroot-linux-uclibc- make[1]: Entering directory '/home/kisskb/slave/build/linus_axs101_defconfig_arcompact' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile WRAP arch/arc/include/generated/asm/auxvec.h WRAP arch/arc/include/generated/asm/bitsperlong.h WRAP arch/arc/include/generated/asm/bugs.h WRAP arch/arc/include/generated/asm/clkdev.h WRAP arch/arc/include/generated/asm/cputime.h WRAP arch/arc/include/generated/asm/device.h WRAP arch/arc/include/generated/asm/div64.h WRAP arch/arc/include/generated/asm/emergency-restart.h WRAP arch/arc/include/generated/asm/errno.h WRAP arch/arc/include/generated/asm/fb.h WRAP arch/arc/include/generated/asm/fcntl.h WRAP arch/arc/include/generated/asm/ftrace.h WRAP arch/arc/include/generated/asm/hardirq.h WRAP arch/arc/include/generated/asm/hw_irq.h WRAP arch/arc/include/generated/asm/ioctl.h WRAP arch/arc/include/generated/asm/ioctls.h WRAP arch/arc/include/generated/asm/ipcbuf.h WRAP arch/arc/include/generated/asm/irq_regs.h WRAP arch/arc/include/generated/asm/irq_work.h WRAP arch/arc/include/generated/asm/kmap_types.h WRAP arch/arc/include/generated/asm/kvm_para.h WRAP arch/arc/include/generated/asm/local.h WRAP arch/arc/include/generated/asm/local64.h WRAP arch/arc/include/generated/asm/mcs_spinlock.h WRAP arch/arc/include/generated/asm/mm-arch-hooks.h WRAP arch/arc/include/generated/asm/mman.h WRAP arch/arc/include/generated/asm/msgbuf.h WRAP arch/arc/include/generated/asm/param.h WRAP arch/arc/include/generated/asm/parport.h WRAP arch/arc/include/generated/asm/pci.h WRAP arch/arc/include/generated/asm/percpu.h WRAP arch/arc/include/generated/asm/poll.h WRAP arch/arc/include/generated/asm/posix_types.h WRAP arch/arc/include/generated/asm/preempt.h WRAP arch/arc/include/generated/asm/resource.h WRAP arch/arc/include/generated/asm/sembuf.h WRAP arch/arc/include/generated/asm/shmbuf.h WRAP arch/arc/include/generated/asm/siginfo.h WRAP arch/arc/include/generated/asm/socket.h WRAP arch/arc/include/generated/asm/sockios.h WRAP arch/arc/include/generated/asm/stat.h WRAP arch/arc/include/generated/asm/statfs.h WRAP arch/arc/include/generated/asm/termbits.h WRAP arch/arc/include/generated/asm/termios.h WRAP arch/arc/include/generated/asm/vga.h WRAP arch/arc/include/generated/asm/topology.h WRAP arch/arc/include/generated/asm/trace_clock.h WRAP arch/arc/include/generated/asm/types.h WRAP arch/arc/include/generated/asm/ucontext.h WRAP arch/arc/include/generated/asm/user.h WRAP arch/arc/include/generated/asm/word-at-a-time.h WRAP arch/arc/include/generated/asm/xor.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h UPD include/config/kernel.release HOSTCC scripts/basic/bin2c Using /home/kisskb/slave/src as source for kernel CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h HOSTCC scripts/kallsyms HOSTCC scripts/pnmtologo HOSTCC scripts/conmakehash HOSTCC scripts/sortextable HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o HOSTCC scripts/dtc/fstree.o CC scripts/mod/empty.o HOSTCC scripts/dtc/data.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/livetree.o SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/dtc/dtc-parser.tab.o SHIPPED scripts/dtc/dtc-parser.tab.h HOSTCC scripts/dtc/util.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/dtc-lexer.lex.o GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/sumversion.o HOSTCC scripts/mod/file2alias.o HOSTLD scripts/dtc/dtc CHK include/generated/timeconst.h CC kernel/bounds.s UPD include/generated/timeconst.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/arc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh HOSTLD scripts/mod/modpost CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/do_mounts_initrd.o CC init/initramfs.o CC init/calibrate.o CC init/init_task.o UPD include/generated/compile.h CC init/version.o HOSTCC usr/gen_init_cpio CC arch/arc/mm/extable.o CC arch/arc/mm/ioremap.o AS arch/arc/mm/tlbex.o CC arch/arc/mm/fault.o CC arch/arc/mm/dma.o CC arch/arc/mm/init.o CC arch/arc/mm/cache.o CC arch/arc/mm/tlb.o CC arch/arc/mm/mmap.o DTC arch/arc/boot/dts/axs101.dtb CC arch/arc/kernel/arcksyms.o CC arch/arc/kernel/setup.o CC arch/arc/kernel/reset.o CC arch/arc/kernel/time.o CC arch/arc/kernel/ptrace.o CC arch/arc/kernel/irq.o CC arch/arc/kernel/process.o CC arch/arc/kernel/traps.o CC arch/arc/kernel/devtree.o CC arch/arc/kernel/signal.o CC arch/arc/kernel/stacktrace.o CC arch/arc/kernel/disasm.o CC arch/arc/kernel/troubleshoot.o CC arch/arc/kernel/sys.o CC arch/arc/kernel/unwind.o CC arch/arc/kernel/perf_event.o CC arch/arc/kernel/clk.o AS arch/arc/kernel/entry-compact.o CC arch/arc/kernel/intc-compact.o CC arch/arc/kernel/ctx_sw.o CC arch/arc/kernel/module.o LDS arch/arc/kernel/vmlinux.lds AS arch/arc/kernel/head.o DTB arch/arc/boot/dts/axs101.dtb.S AS arch/arc/boot/dts/axs101.dtb.o CC arch/arc/plat-axs10x/axs10x.o GEN usr/initramfs_data.cpio.gz LD arch/arc/boot/dts/built-in.o LD arch/arc/plat-axs10x/built-in.o AS usr/initramfs_data.o LD usr/built-in.o LD certs/built-in.o CC kernel/fork.o CC kernel/exec_domain.o CC kernel/panic.o CC kernel/exit.o CC kernel/cpu.o CC kernel/sysctl_binary.o CC kernel/resource.o CC kernel/sysctl.o CC kernel/softirq.o CC kernel/ptrace.o CC kernel/signal.o CC kernel/user.o CC kernel/kmod.o CC kernel/workqueue.o CC kernel/capability.o CC kernel/sys.o CC kernel/sys_ni.o CC kernel/pid.o CC kernel/extable.o CC kernel/task_work.o CC kernel/params.o CC kernel/kthread.o CC kernel/groups.o CC kernel/smpboot.o CC kernel/nsproxy.o CC kernel/ksysfs.o CC kernel/async.o CC kernel/notifier.o CC kernel/cred.o CC kernel/reboot.o CC kernel/range.o LD kernel/livepatch/built-in.o CC kernel/power/qos.o CC kernel/bpf/core.o CC kernel/printk/printk.o CC kernel/events/core.o CC kernel/events/ring_buffer.o CC kernel/events/callchain.o CC kernel/rcu/update.o CC kernel/locking/mutex.o CC kernel/locking/semaphore.o CC kernel/locking/rwsem.o LD init/mounts.o CC kernel/irq/irqdesc.o LD init/built-in.o CC kernel/stacktrace.o CC kernel/futex.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec_minmax_coredump': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/rcu/sync.o CC kernel/sched/core.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_do_cad_pid': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ LD arch/arc/mm/built-in.o CC kernel/sched/loadavg.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec_jiffies': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/sched/clock.o CC kernel/up.o CC kernel/module.o CC kernel/irq/handle.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec_minmax': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/time/time.o CC kernel/kallsyms.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec_ms_jiffies': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/locking/percpu-rwsem.o GZIP kernel/config_data.gz CC kernel/hung_task.o CC kernel/watchdog.o CC kernel/utsname_sysctl.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec_minmax_sysadmin': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/locking/rtmutex.o CC kernel/elfcore.o /home/kisskb/slave/src/kernel/sysctl.c: In function '__do_proc_doulongvec_minmax': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2315:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/irq_work.o CC kernel/membarrier.o CC kernel/rcu/srcu.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec_userhz_jiffies': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CC kernel/memremap.o /home/kisskb/slave/src/kernel/sysctl.c: In function 'proc_dointvec': /home/kisskb/slave/src/kernel/sysctl.c:1892:12: warning: 'kbuf' may be used uninitialized in this function [-Wmaybe-uninitialized] ret = tmp - buf; ^ /home/kisskb/slave/src/kernel/sysctl.c:2052:8: note: 'kbuf' was declared here char kbuf; ^ CHK kernel/config_data.h CC kernel/locking/rwsem-spinlock.o CC kernel/sched/cputime.o UPD kernel/config_data.h CC kernel/sched/idle_task.o CC kernel/configs.o CC mm/filemap.o CC mm/mempool.o CC mm/oom_kill.o CC kernel/irq/manage.o CC kernel/rcu/tree.o CC kernel/irq/spurious.o CC kernel/irq/resend.o CC mm/maccess.o CC kernel/irq/chip.o LD kernel/bpf/built-in.o CC kernel/irq/dummychip.o CC kernel/irq/devres.o CC kernel/irq/generic-chip.o CC kernel/irq/irqdomain.o CC kernel/time/timer.o CC kernel/time/posix-timers.o CC kernel/time/itimer.o CC kernel/time/hrtimer.o CC kernel/irq/proc.o CC kernel/sched/fair.o CC kernel/time/posix-cpu-timers.o CC kernel/sched/rt.o CC kernel/time/timekeeping.o CC kernel/sched/deadline.o CC kernel/time/ntp.o CC fs/open.o CC kernel/time/clocksource.o CC kernel/time/jiffies.o CC kernel/time/timeconv.o CC kernel/time/timer_list.o /home/kisskb/slave/src/kernel/sched/core.c: In function 'pick_next_task': /home/kisskb/slave/src/kernel/sched/core.c:3062:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC kernel/time/timecounter.o CC kernel/time/posix-clock.o CC fs/read_write.o CC kernel/sched/stop_task.o CC kernel/sched/wait.o CC kernel/sched/completion.o CC kernel/sched/idle.o LD kernel/power/built-in.o CC kernel/time/alarmtimer.o CC mm/page-writeback.o CC mm/page_alloc.o CC mm/readahead.o CC kernel/time/clockevents.o CC mm/swap.o CC fs/file_table.o CC fs/super.o CC fs/char_dev.o CC kernel/time/tick-common.o CC fs/stat.o LD arch/arc/kernel/built-in.o CC mm/truncate.o CC fs/exec.o LD arch/arc/built-in.o CC fs/pipe.o CC fs/namei.o CC kernel/time/tick-oneshot.o CC mm/vmscan.o CC mm/shmem.o CC mm/mmzone.o CC mm/util.o CC kernel/time/tick-sched.o CC mm/vmstat.o CC ipc/util.o CC ipc/msgutil.o CC mm/backing-dev.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'posix_cpu_timer_get': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:818:21: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] sample_to_timespec(timer->it_clock, ^ CC ipc/msg.o CC mm/mm_init.o CC ipc/sem.o CC mm/mmu_context.o CC mm/percpu.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'posix_cpu_timer_schedule': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:95:8: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] delta = now + incr - timer->it.cpu.expires; ^ /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:1051:21: note: 'now' was declared here unsigned long long now; ^ CC mm/slab_common.o CC ipc/shm.o CC mm/compaction.o CC security/commoncap.o LD kernel/locking/built-in.o CC ipc/syscall.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'posix_cpu_timer_set': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:695:17: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized] old_expires = timer->it.cpu.expires - val; ^ CC security/min_addr.o CC fs/fcntl.o CC ipc/ipc_sysctl.o CC ipc/mqueue.o LD kernel/irq/built-in.o CC mm/vmacache.o CC ipc/namespace.o CC ipc/mq_sysctl.o CC mm/interval_tree.o CC mm/list_lru.o CC mm/workingset.o CC fs/readdir.o CC fs/ioctl.o CC mm/debug.o LD security/built-in.o LD kernel/printk/built-in.o CC fs/select.o CC mm/highmem.o CC fs/dcache.o CC mm/gup.o CC fs/inode.o CC mm/memory.o CC fs/attr.o CC mm/mincore.o CC mm/mlock.o CC mm/mmap.o CC mm/mremap.o CC mm/mprotect.o CC crypto/api.o LD kernel/sched/built-in.o CC crypto/cipher.o CC fs/bad_inode.o CC crypto/compress.o CC crypto/memneq.o CC mm/msync.o CC mm/rmap.o /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c: In function 'set_process_cpu_timer': /home/kisskb/slave/src/kernel/time/posix-cpu-timers.c:1268:13: warning: 'now' may be used uninitialized in this function [-Wmaybe-uninitialized] oldval -= now; ^ CC block/bio.o CC mm/vmalloc.o CC fs/filesystems.o CC fs/file.o CC crypto/crypto_wq.o CC mm/pagewalk.o CC mm/pgtable-generic.o CC mm/init-mm.o CC crypto/algapi.o CC mm/nobootmem.o CC mm/fadvise.o CC crypto/scatterwalk.o CC mm/madvise.o CC mm/memblock.o CC fs/namespace.o CC mm/dmapool.o CC mm/slub.o CC fs/seq_file.o CC block/elevator.o /home/kisskb/slave/src/ipc/shm.c: In function 'SyS_shmat': /home/kisskb/slave/src/ipc/shm.c:1219:2: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized] return (long)ret; ^ /home/kisskb/slave/src/ipc/shm.c:1212:16: note: 'ret' was declared here unsigned long ret; ^ CC fs/xattr.o CC block/blk-core.o CC block/blk-tag.o CC block/blk-flush.o CC block/blk-sysfs.o CC block/blk-settings.o In file included from /home/kisskb/slave/src/include/asm-generic/bug.h:13:0, from /home/kisskb/slave/src/arch/arc/include/asm/bug.h:31, from /home/kisskb/slave/src/include/linux/bug.h:4, from /home/kisskb/slave/src/include/linux/mmdebug.h:4, from /home/kisskb/slave/src/include/linux/gfp.h:4, from /home/kisskb/slave/src/include/linux/slab.h:14, from /home/kisskb/slave/src/mm/nobootmem.c:13: /home/kisskb/slave/src/mm/nobootmem.c: In function '__free_pages_memory': /home/kisskb/slave/src/include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast [enabled by default] (void) (&_min1 == &_min2); \ ^ /home/kisskb/slave/src/mm/nobootmem.c:99:11: note: in expansion of macro 'min' order = min(MAX_ORDER - 1UL, __ffs(start)); ^ CC crypto/proc.o CC crypto/aead.o CC crypto/ablkcipher.o CC crypto/blkcipher.o CC crypto/skcipher.o CC fs/libfs.o LD sound/built-in.o CC crypto/chainiv.o CC crypto/eseqiv.o CC fs/fs-writeback.o CC crypto/ahash.o CC block/blk-ioc.o CC block/blk-map.o LD drivers/amba/built-in.o LD kernel/time/built-in.o CC fs/pnode.o CC fs/splice.o LD drivers/auxdisplay/built-in.o CC fs/sync.o CC crypto/shash.o LD firmware/built-in.o CC crypto/pcompress.o In file included from /home/kisskb/slave/src/include/linux/fs.h:15:0, from /home/kisskb/slave/src/include/linux/backing-dev.h:12, from /home/kisskb/slave/src/mm/mmap.c:13: /home/kisskb/slave/src/mm/mmap.c: In function 'vma_adjust': /home/kisskb/slave/src/include/linux/rbtree.h:83:28: warning: 'rb_parent' may be used uninitialized in this function [-Wmaybe-uninitialized] node->__rb_parent_color = (unsigned long)parent; ^ /home/kisskb/slave/src/mm/mmap.c:692:29: note: 'rb_parent' was declared here struct rb_node *rb_link, rb_parent; ^ In file included from /home/kisskb/slave/src/include/linux/fs.h:15:0, from /home/kisskb/slave/src/include/linux/backing-dev.h:12, from /home/kisskb/slave/src/mm/mmap.c:13: /home/kisskb/slave/src/include/linux/rbtree.h:86:11: warning: 'rb_link' may be used uninitialized in this function [-Wmaybe-uninitialized] rb_link = node; ^ /home/kisskb/slave/src/mm/mmap.c:692:19: note: 'rb_link' was declared here struct rb_node rb_link, rb_parent; ^ /home/kisskb/slave/src/mm/mmap.c:660:17: warning: 'prev' may be used uninitialized in this function [-Wmaybe-uninitialized] __vma_link_list(mm, vma, prev, rb_parent); ^ /home/kisskb/slave/src/mm/mmap.c:691:25: note: 'prev' was declared here struct vm_area_struct prev; ^ LD drivers/block/built-in.o CC crypto/akcipher.o LD drivers/bus/built-in.o CC crypto/algboss.o CC fs/utimes.o CC block/blk-exec.o LD drivers/cdrom/built-in.o CC drivers/base/component.o CC fs/stack.o CC fs/fs_struct.o /home/kisskb/slave/src/fs/namei.c: In function 'walk_component': /home/kisskb/slave/src/fs/namei.c:1759:10: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized] nd->seq = seq; ^ CC drivers/char/mem.o CC net/socket.o LD drivers/clocksource/built-in.o LD drivers/firewire/built-in.o LD drivers/crypto/built-in.o LD net/802/built-in.o CC drivers/base/core.o CC drivers/clk/clk-devres.o CC net/ethernet/eth.o LD drivers/firmware/broadcom/built-in.o CC drivers/gpio/devres.o LD drivers/firmware/built-in.o CC net/key/af_key.o CC net/netlink/af_netlink.o CC net/packet/af_packet.o CC net/netlink/genetlink.o CC net/sched/sch_generic.o CC net/ipv6/addrconf_core.o CC net/core/sock.o CC drivers/gpio/gpiolib.o CC drivers/char/random.o CC drivers/clk/clkdev.o LD arch/arc/lib/built-in.o LD net/wireless/built-in.o CC net/unix/af_unix.o AS arch/arc/lib/memcmp.o CC net/sysctl_net.o AS arch/arc/lib/memcpy-700.o AS arch/arc/lib/memset.o CC net/xfrm/xfrm_policy.o CC net/sunrpc/clnt.o CC fs/statfs.o CC fs/nsfs.o CC fs/fs_pin.o CC net/ipv4/route.o AS arch/arc/lib/strchr-700.o CC net/sunrpc/xprt.o CC net/sunrpc/socklib.o CC fs/buffer.o AS arch/arc/lib/strcmp.o CC fs/block_dev.o LD virt/lib/built-in.o CC block/blk-merge.o AS arch/arc/lib/strcpy-700.o LD virt/built-in.o CC crypto/testmgr.o CC lib/lockref.o CC lib/bcd.o AS arch/arc/lib/strlen.o CC lib/div64.o CC lib/sort.o CC lib/parser.o CC fs/mpage.o CC fs/proc_namespace.o CC fs/direct-io.o CC lib/halfmd4.o AR arch/arc/lib/lib.a LD kernel/rcu/built-in.o CC crypto/crypto_null.o CC crypto/aes_generic.o LD fs/exofs/built-in.o CC crypto/crc32c_generic.o CC fs/devpts/inode.o CC lib/debug_locks.o CC drivers/gpio/gpiolib-legacy.o CC lib/random32.o CC crypto/rng.o CC [M] crypto/echainiv.o CC lib/bust_spinlocks.o CC drivers/clk/clk.o CC [M] crypto/hmac.o CC block/blk-softirq.o CC [M] crypto/sha256_generic.o CC [M] crypto/drbg.o CC [M] crypto/jitterentropy.o CC [M] crypto/jitterentropy-kcapi.o CC fs/ext4/balloc.o CC block/blk-timeout.o CC lib/kasprintf.o LD crypto/crypto.o LD ipc/built-in.o CC fs/ext4/bitmap.o CC drivers/gpio/gpiolib-of.o CC fs/ext4/dir.o LD crypto/crypto_algapi.o CC drivers/gpio/gpio-generic.o LD net/ethernet/built-in.o LD net/key/built-in.o CC net/ipv6/exthdrs_core.o CC fs/ext4/file.o CC drivers/gpio/gpio-dwapb.o CC net/ipv6/ip6_checksum.o LD crypto/cryptomgr.o CC block/blk-iopoll.o LD crypto/crypto_blkcipher.o CC net/ipv6/ip6_icmp.o LD [M] crypto/jitterentropy_rng.o CC block/blk-lib.o CC net/ipv6/output_core.o CC block/blk-mq.o CC net/ipv6/protocol.o CC lib/bitmap.o CC lib/scatterlist.o LD crypto/crypto_hash.o CC lib/gcd.o CC lib/lcm.o CC lib/list_sort.o /home/kisskb/slave/src/fs/namei.c: In function 'path_openat': /home/kisskb/slave/src/fs/namei.c:3161:10: warning: 'seq' may be used uninitialized in this function [-Wmaybe-uninitialized] nd->seq = seq; ^ /home/kisskb/slave/src/fs/namei.c:3025:11: note: 'seq' was declared here unsigned seq; ^ CC lib/uuid.o CC drivers/char/misc.o LD fs/devpts/devpts.o LD fs/devpts/built-in.o LD drivers/char/agp/built-in.o LD crypto/built-in.o CC net/sunrpc/sched.o CC net/sunrpc/xprtsock.o CC fs/kernfs/mount.o CC fs/ext4/fsync.o CC lib/flex_array.o CC fs/fat/cache.o CC fs/jbd2/transaction.o CC fs/fat/dir.o LD kernel/events/built-in.o CC net/sched/sch_mq.o LD kernel/built-in.o CC fs/ext4/ialloc.o CC net/xfrm/xfrm_state.o CC fs/nfs_common/grace.o In file included from /home/kisskb/slave/src/fs/ext4/file.c:30:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC net/xfrm/xfrm_hash.o CC fs/lockd/clntlock.o CC net/ipv6/ip6_offload.o CC fs/nfs/client.o CC fs/nfs/dir.o CC drivers/base/dd.o CC drivers/base/bus.o CC net/ipv6/tcpv6_offload.o CC fs/fat/fatent.o CC net/ipv6/exthdrs_offload.o CC net/ipv6/udp_offload.o LD drivers/gpio/built-in.o CC block/blk-mq-tag.o LD drivers/char/built-in.o CC block/blk-mq-sysfs.o CC lib/iov_iter.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_dgram_sendmsg': /home/kisskb/slave/src/net/unix/af_unix.c:1708:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, namelen, sk->sk_type, ^ CC fs/nfs/file.o CC block/blk-mq-cpu.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_bind': /home/kisskb/slave/src/net/unix/af_unix.c:1036:20: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] addr->hash = hash ^ sk->sk_type; ^ CC drivers/hid/hid-core.o LD drivers/gpu/drm/bridge/built-in.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_stream_connect': /home/kisskb/slave/src/net/unix/af_unix.c:1251:8: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, addr_len, sk->sk_type, hash, &err); ^ LD drivers/hsi/clients/built-in.o CC net/xfrm/xfrm_input.o LD drivers/hsi/controllers/built-in.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_dgram_connect': /home/kisskb/slave/src/net/unix/af_unix.c:1130:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, alen, sock->type, hash, &err); ^ /home/kisskb/slave/src/net/packet/af_packet.c: In function 'tpacket_rcv': /home/kisskb/slave/src/net/packet/af_packet.c:2098:33: warning: 'hdrlen' may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned short macoff, netoff, hdrlen; ^ LD drivers/gpu/drm/i2c/built-in.o LD drivers/gpu/drm/panel/built-in.o CC net/xfrm/xfrm_output.o CC net/xfrm/xfrm_sysctl.o CC net/xfrm/xfrm_replay.o In file included from /home/kisskb/slave/src/fs/ext4/fsync.c:32:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD drivers/hsi/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o CC net/xfrm/xfrm_algo.o LD drivers/gpu/drm/built-in.o CC drivers/base/syscore.o LD mm/built-in.o LD drivers/hwtracing/intel_th/built-in.o /home/kisskb/slave/src/net/unix/af_unix.c: In function 'unix_seqpacket_sendmsg': /home/kisskb/slave/src/net/unix/af_unix.c:1708:9: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] other = unix_find_other(net, sunaddr, namelen, sk->sk_type, ^ /home/kisskb/slave/src/net/unix/af_unix.c:1635:15: note: 'hash' was declared here unsigned int hash; ^ CC fs/kernfs/inode.o CC fs/kernfs/dir.o LD fs/nfs_common/built-in.o LD net/netlink/built-in.o CC fs/kernfs/symlink.o LD drivers/gpu/vga/built-in.o CC fs/kernfs/file.o CC fs/nls/nls_base.o LD drivers/gpu/built-in.o LD drivers/idle/built-in.o CC drivers/i2c/i2c-boardinfo.o CC net/unix/garbage.o CC net/unix/sysctl_net_unix.o CC lib/clz_ctz.o CC drivers/input/serio/serio.o CC lib/bsearch.o CC drivers/input/input.o CC lib/find_bit.o CC block/blk-mq-cpumap.o CC lib/llist.o CC drivers/clk/clk-divider.o LD net/packet/built-in.o CC fs/ext4/inode.o CC lib/memweight.o CC drivers/input/input-compat.o LD net/sched/built-in.o CC fs/ext4/page-io.o CC fs/ext4/ioctl.o CC fs/ext4/namei.o CC drivers/input/input-mt.o CC drivers/input/ff-core.o CC drivers/input/mousedev.o CC drivers/input/evdev.o CC lib/kfifo.o CC drivers/input/keyboard/atkbd.o CC drivers/i2c/i2c-dev.o CC drivers/i2c/i2c-core.o LD net/ipv6/built-in.o In file included from /home/kisskb/slave/src/fs/ext4/inode.c:41:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD drivers/i2c/algos/built-in.o CC drivers/input/mouse/psmouse-base.o CC drivers/clk/clk-fixed-factor.o CC drivers/base/driver.o CC fs/nls/nls_cp437.o CC drivers/i2c/busses/i2c-designware-core.o CC drivers/hid/hid-input.o CC drivers/i2c/busses/i2c-designware-platdrv.o CC drivers/hid/hid-generic.o /home/kisskb/slave/src/net/xfrm/xfrm_policy.c: In function 'xfrm_resolve_and_create_bundle': /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1599:7: warning: 'dst_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] xdst = dst_alloc(dst_ops, NULL, 0, DST_OBSOLETE_NONE, 0); ^ /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1581:18: note: 'dst_ops' was declared here struct dst_ops dst_ops; ^ CC net/ipv4/protocol.o CC fs/ext4/super.o CC net/ipv4/inetpeer.o CC block/ioctl.o CC fs/nfs/getroot.o CC fs/lockd/clntproc.o CC block/genhd.o CC fs/fat/file.o CC fs/nls/nls_iso8859-1.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_write': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ CC net/sunrpc/auth.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_write_nolock': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ CC fs/notify/fsnotify.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ CC drivers/base/class.o CC drivers/base/platform.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_block_zero_page_range': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ CC drivers/input/mouse/synaptics.o CC drivers/input/serio/serport.o CC drivers/input/mouse/focaltech.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_map_blocks': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ CC drivers/input/mouse/alps.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_getblk': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ CC fs/ntfs/aops.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_bread': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ CC drivers/input/mouse/logips2pp.o /home/kisskb/slave/src/fs/ext4/inode.c: In function 'ext4_get_block_dax': /home/kisskb/slave/src/fs/ext4/inode.c:548:5: warning: 'retval' may be used uninitialized in this function [-Wmaybe-uninitialized] if (retval > 0 && map->m_flags & EXT4_MAP_MAPPED) { ^ /home/kisskb/slave/src/fs/ext4/inode.c:462:6: note: 'retval' was declared here int retval; ^ LD fs/nls/built-in.o CC drivers/input/serio/libps2.o CC fs/proc/task_mmu.o CC drivers/clk/clk-fixed-rate.o CC fs/proc/root.o CC fs/proc/inode.o LD fs/quota/built-in.o CC net/core/request_sock.o LD drivers/input/input-core.o CC drivers/input/mouse/trackpoint.o CC fs/jbd2/commit.o CC block/scsi_ioctl.o CC fs/nfs/super.o CC fs/nfs/inode.o LD fs/kernfs/built-in.o CC fs/ramfs/inode.o CC lib/percpu-refcount.o CC fs/ramfs/file-mmu.o CC lib/percpu_ida.o CC lib/rhashtable.o CC fs/ext4/symlink.o CC net/ipv4/ip_fragment.o CC net/ipv4/ip_input.o CC fs/sysfs/file.o LD drivers/i2c/muxes/built-in.o CC fs/ntfs/attrib.o CC fs/nfs/direct.o CC drivers/clk/clk-gate.o LD drivers/input/keyboard/built-in.o CC net/sunrpc/auth_null.o CC fs/nfs/read.o CC fs/nfs/pagelist.o CC fs/proc/base.o CC fs/nfs/symlink.o CC fs/notify/notification.o LD net/unix/unix.o CC drivers/base/cpu.o LD net/unix/built-in.o CC fs/nfs/unlink.o CC drivers/input/mouse/touchkit_ps2.o CC fs/nfs/write.o LD drivers/input/serio/built-in.o CC drivers/base/firmware.o LD drivers/i2c/busses/i2c-designware-platform.o LD drivers/i2c/busses/built-in.o CC drivers/irqchip/irqchip.o CC lib/reciprocal_div.o /home/kisskb/slave/src/net/xfrm/xfrm_policy.c: In function 'xfrm_bundle_lookup': /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1599:7: warning: 'dst_ops' may be used uninitialized in this function [-Wmaybe-uninitialized] xdst = dst_alloc(dst_ops, NULL, 0, DST_OBSOLETE_NONE, 0); ^ /home/kisskb/slave/src/net/xfrm/xfrm_policy.c:1581:18: note: 'dst_ops' was declared here struct dst_ops dst_ops; ^ CC lib/once.o CC lib/string_helpers.o CC lib/hexdump.o LD drivers/leds/built-in.o CC lib/kstrtox.o CC fs/fat/inode.o CC fs/lockd/clntxdr.o CC lib/iomap_copy.o CC drivers/base/init.o CC fs/sysfs/dir.o CC net/sunrpc/auth_unix.o CC fs/lockd/host.o CC lib/devres.o CC drivers/input/mouse/cypress_ps2.o CC drivers/clk/clk-multiplier.o CC lib/hweight.o CC drivers/hid/usbhid/hid-core.o LD fs/ramfs/ramfs.o CC drivers/input/mouse/sermouse.o LD fs/ramfs/built-in.o CC net/core/skbuff.o CC fs/ext4/hash.o CC net/core/datagram.o CC net/core/stream.o CC fs/nfs/namespace.o CC lib/bitrev.o CC fs/sysfs/symlink.o CC fs/sysfs/mount.o CC drivers/irqchip/irq-dw-apb-ictl.o CC drivers/base/map.o CC lib/rational.o CC fs/jbd2/recovery.o CC drivers/base/devres.o CC fs/proc/generic.o CC lib/crc16.o CC drivers/input/mouse/synaptics_usb.o CC net/sunrpc/auth_generic.o CC net/sunrpc/svc.o CC fs/notify/group.o CC fs/notify/inode_mark.o CC fs/lockd/svc.o CC fs/proc/array.o CC net/sunrpc/svcsock.o HOSTCC lib/gen_crc32table CC drivers/clk/clk-mux.o LD net/xfrm/built-in.o CC fs/ext4/resize.o CC fs/ext4/extents.o CC lib/fonts/fonts.o CC lib/lz4/lz4_decompress.o CC fs/sysfs/group.o CC fs/nfs/mount_clnt.o CC lib/lzo/lzo1x_compress.o CC fs/nfs/nfstrace.o CC drivers/base/attribute_container.o CC lib/lzo/lzo1x_decompress_safe.o CC fs/lockd/svclock.o CC net/ipv4/ip_forward.o CC net/sunrpc/svcauth.o CC fs/nfs/sysctl.o CC fs/nfs/nfs2super.o CC lib/fonts/font_8x8.o CC lib/syscall.o CC lib/fonts/font_8x16.o In file included from /home/kisskb/slave/src/arch/arc/include/asm/bug.h:31:0, from /home/kisskb/slave/src/include/linux/bug.h:4, from /home/kisskb/slave/src/include/linux/thread_info.h:11, from /home/kisskb/slave/src/include/asm-generic/preempt.h:4, from arch/arc/include/generated/asm/preempt.h:1, from /home/kisskb/slave/src/include/linux/preempt.h:59, from /home/kisskb/slave/src/include/linux/spinlock.h:50, from /home/kisskb/slave/src/include/linux/seqlock.h:35, from /home/kisskb/slave/src/include/linux/time.h:5, from /home/kisskb/slave/src/fs/proc/generic.c:12: /home/kisskb/slave/src/fs/proc/generic.c: In function '__proc_create': /home/kisskb/slave/src/include/asm-generic/bug.h:74:48: warning: 'fn' may be used uninitialized in this function [-Wmaybe-uninitialized] #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) ^ /home/kisskb/slave/src/fs/proc/generic.c:361:14: note: 'fn' was declared here const char fn; ^ CC lib/zlib_inflate/inffast.o LD drivers/irqchip/built-in.o CC lib/zlib_inflate/inflate.o CC lib/xz/xz_dec_syms.o CC net/ipv4/ip_options.o CC lib/zlib_inflate/infutil.o CC net/ipv4/ip_output.o CC net/ipv4/ip_sockglue.o CC drivers/clk/clk-composite.o CC net/ipv4/inet_hashtables.o CC net/ipv4/inet_timewait_sock.o LD fs/sysfs/built-in.o CC fs/nfs/proc.o CC net/ipv4/inet_connection_sock.o LD lib/fonts/font.o CC lib/xz/xz_dec_stream.o CC net/ipv4/tcp.o LD lib/fonts/built-in.o In file included from /home/kisskb/slave/src/fs/ext4/extents.c:43:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD lib/lzo/lzo_decompress.o CC net/ipv4/tcp_input.o CC net/ipv4/tcp_output.o LD lib/lzo/lzo_compress.o CC fs/notify/mark.o CC net/ipv4/tcp_timer.o CC block/partition-generic.o LD lib/lzo/built-in.o CC block/ioprio.o CC fs/nfs/nfs2xdr.o CC fs/nfs/nfs3super.o CC lib/nlattr.o CC fs/ntfs/compress.o CC fs/ntfs/collate.o CC block/partitions/check.o CC fs/ntfs/debug.o LD lib/lz4/built-in.o CC fs/ntfs/dir.o CC drivers/hid/usbhid/hid-quirks.o CC fs/lockd/svcshare.o In file included from /home/kisskb/slave/src/include/linux/sunrpc/svcsock.h:13:0, from /home/kisskb/slave/src/net/sunrpc/svcsock.c:52: /home/kisskb/slave/src/include/linux/sunrpc/svc_xprt.h: In function 'svc_addr_len': /home/kisskb/slave/src/include/linux/sunrpc/svc_xprt.h:174:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC fs/lockd/svcproc.o CC drivers/clk/clk-fractional-divider.o CC drivers/clk/clk-gpio.o CC net/sunrpc/svcauth_unix.o CC drivers/base/transport_class.o CC fs/proc/fd.o CC lib/zlib_inflate/inftrees.o CC block/bsg.o LD drivers/i2c/built-in.o CC fs/ntfs/file.o CC fs/nfs/nfs3client.o CC fs/proc/proc_tty.o CC block/partitions/msdos.o LD drivers/lguest/built-in.o LD drivers/macintosh/built-in.o CC fs/nfs/nfs3proc.o /home/kisskb/slave/src/net/sunrpc/svcsock.c: In function 'svc_setup_socket': /home/kisskb/slave/src/net/sunrpc/svcsock.c:779:6: warning: 'optname' may be used uninitialized in this function [-Wmaybe-uninitialized] err = kernel_setsockopt(svsk->sk_sock, level, optname, ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c:746:18: note: 'optname' was declared here int err, level, optname, one = 1; ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c:779:6: warning: 'level' may be used uninitialized in this function [-Wmaybe-uninitialized] err = kernel_setsockopt(svsk->sk_sock, level, optname, ^ /home/kisskb/slave/src/net/sunrpc/svcsock.c:746:11: note: 'level' was declared here int err, level, optname, one = 1; ^ CC fs/nfs/nfs3xdr.o CC drivers/base/container.o CC drivers/base/topology.o CC drivers/base/property.o CC net/core/scm.o CC drivers/mfd/syscon.o CC fs/notify/vfsmount_mark.o CC fs/proc/cmdline.o LD fs/nfs/nfs.o CC fs/jbd2/checkpoint.o LD drivers/media/common/b2c2/built-in.o CC fs/jbd2/revoke.o LD drivers/hid/usbhid/usbhid.o CC block/partitions/efi.o LD drivers/hid/usbhid/built-in.o CC fs/jbd2/journal.o CC drivers/clk/clk-conf.o CC lib/xz/xz_dec_lzma2.o LD drivers/media/common/saa7146/built-in.o LD drivers/hid/hid.o CC lib/xz/xz_dec_bcj.o LD drivers/hid/built-in.o CC fs/notify/fdinfo.o /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c: In function 'svcauth_unix_set_client': /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c:282:12: warning: 'sin6' may be used uninitialized in this function [-Wmaybe-uninitialized] ip.m_addr = addr; ^ /home/kisskb/slave/src/net/sunrpc/svcauth_unix.c:658:23: note: 'sin6' was declared here struct sockaddr_in6 sin6, sin6_storage; ^ CC lib/zlib_inflate/inflate_syms.o CC net/ipv4/tcp_ipv4.o LD drivers/clk/bcm/built-in.o LD drivers/media/common/siano/built-in.o CC fs/ntfs/index.o CC net/ipv4/tcp_minisocks.o LD drivers/media/common/built-in.o LD drivers/input/mouse/psmouse.o LD drivers/input/mouse/built-in.o LD drivers/mfd/built-in.o LD drivers/input/built-in.o CC lib/checksum.o LD drivers/media/firewire/built-in.o CC fs/proc/consoles.o LD drivers/nfc/built-in.o CC drivers/net/mii.o CC fs/fat/misc.o LD drivers/media/i2c/soc_camera/built-in.o CC drivers/mmc/card/block.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/nvme/host/built-in.o LD drivers/media/mmc/siano/built-in.o CC fs/lockd/svcsubs.o LD drivers/media/i2c/built-in.o LD drivers/misc/ti-st/built-in.o In file included from /home/kisskb/slave/src/fs/ext4/extents.c:44:0: /home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_ext_handle_unwritten_extents': /home/kisskb/slave/src/fs/ext4/ext4_extents.h:224:8: warning: '((void )&zero_ex+8)' may be used uninitialized in this function [-Wmaybe-uninitialized] block = le32_to_cpu(ex->ee_start_lo); ^ /home/kisskb/slave/src/fs/ext4/extents.c:3402:21: note: '((void )&zero_ex+8)' was declared here struct ext4_extent zero_ex; ^ In file included from /home/kisskb/slave/src/fs/ext4/extents.c:44:0: /home/kisskb/slave/src/fs/ext4/ext4_extents.h:225:12: warning: '((void )&zero_ex+6)' may be used uninitialized in this function [-Wmaybe-uninitialized] block \|= ((ext4_fsblk_t) le16_to_cpu(ex->ee_start_hi) << 31) << 1; ^ /home/kisskb/slave/src/fs/ext4/extents.c:3402:21: note: '((void )&zero_ex+6)' was declared here struct ext4_extent zero_ex; ^ /home/kisskb/slave/src/fs/ext4/extents.c:3113:2: warning: 'zero_ex.ee_block' may be used uninitialized in this function [-Wmaybe-uninitialized] return ext4_es_insert_extent(inode, ee_block, ee_len, ee_pblock, ^ /home/kisskb/slave/src/fs/ext4/extents.c:3402:21: note: 'zero_ex.ee_block' was declared here struct ext4_extent zero_ex; ^ LD lib/zlib_inflate/zlib_inflate.o CC net/sunrpc/addr.o LD drivers/clk/built-in.o LD drivers/nvme/built-in.o LD lib/zlib_inflate/built-in.o LD drivers/misc/mic/bus/built-in.o LD drivers/media/mmc/built-in.o CC drivers/of/base.o CC lib/atomic64.o CC fs/lockd/mon.o LD drivers/perf/built-in.o LD drivers/platform/built-in.o CC fs/notify/dnotify/dnotify.o CC net/ipv4/tcp_cong.o LD drivers/misc/mic/built-in.o LD drivers/media/platform/omap/built-in.o LD drivers/pwm/built-in.o In file included from /home/kisskb/slave/src/include/linux/jbd2.h:26:0, from /home/kisskb/slave/src/fs/jbd2/journal.c:28: /home/kisskb/slave/src/fs/jbd2/journal.c: In function 'jbd2_journal_init_inode': /home/kisskb/slave/src/include/linux/buffer_head.h:363:2: warning: 'blocknr' may be used uninitialized in this function [-Wmaybe-uninitialized] return __getblk_gfp(bdev, block, size, 0); ^ /home/kisskb/slave/src/fs/jbd2/journal.c:1194:21: note: 'blocknr' was declared here unsigned long long blocknr; ^ CC drivers/pps/pps.o LD drivers/misc/built-in.o CC drivers/ptp/ptp_clock.o LD drivers/media/platform/built-in.o LD drivers/media/pci/b2c2/built-in.o CC drivers/reset/core.o /home/kisskb/slave/src/net/ipv4/tcp_input.c: In function 'tcp_data_queue': /home/kisskb/slave/src/net/ipv4/tcp_input.c:4227:49: warning: array subscript is above array bounds [-Warray-bounds] tp->selective_acks[i-1] = tp->selective_acks[i]; ^ LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/mantis/built-in.o CC drivers/ptp/ptp_chardev.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/pci/ngene/built-in.o CC drivers/ptp/ptp_sysfs.o /home/kisskb/slave/src/fs/ext4/extents.c: In function 'ext4_ext_map_blocks': /home/kisskb/slave/src/fs/ext4/extents.c:2306:14: warning: 'lblock' may be used uninitialized in this function [-Wmaybe-uninitialized] ext4_lblk_t lblock; ^ /home/kisskb/slave/src/fs/ext4/extents.c:2305:14: warning: 'len' may be used uninitialized in this function [-Wmaybe-uninitialized] ext4_lblk_t len; ^ LD drivers/media/pci/pluto2/built-in.o LD lib/xz/xz_dec.o LD fs/nfs/nfsv2.o CC lib/dynamic_queue_limits.o In file included from /home/kisskb/slave/src/include/linux/jbd2.h:26:0, from /home/kisskb/slave/src/fs/jbd2/journal.c:28: /home/kisskb/slave/src/fs/jbd2/journal.c: In function 'jbd2_journal_get_descriptor_buffer': /home/kisskb/slave/src/include/linux/buffer_head.h:370:2: warning: 'blocknr' may be used uninitialized in this function [-Wmaybe-uninitialized] return __getblk_gfp(bdev, block, size, __GFP_MOVABLE); ^ /home/kisskb/slave/src/fs/jbd2/journal.c:811:21: note: 'blocknr' was declared here unsigned long long blocknr; ^ CC lib/net_utils.o LD drivers/media/pci/pt1/built-in.o CC lib/argv_split.o CC net/ipv4/tcp_metrics.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/saa7146/built-in.o LD lib/xz/built-in.o CC lib/cmdline.o LD fs/notify/fanotify/built-in.o LD drivers/media/pci/smipcie/built-in.o CC fs/proc/cpuinfo.o CC fs/notify/inotify/inotify_fsnotify.o CC fs/notify/inotify/inotify_user.o LD drivers/media/pci/ttpci/built-in.o CC lib/ctype.o CC fs/fat/nfs.o CC fs/fat/namei_vfat.o CC fs/fat/namei_msdos.o CC lib/dec_and_lock.o LD drivers/media/pci/built-in.o CC lib/decompress.o CC block/noop-iosched.o CC lib/decompress_inflate.o CC net/sunrpc/rpcb_clnt.o CC lib/decompress_bunzip2.o CC lib/decompress_unlz4.o CC lib/decompress_unlzma.o CC lib/decompress_unlzo.o CC lib/decompress_unxz.o CC net/core/gen_stats.o CC net/ipv4/tcp_fastopen.o CC fs/proc/devices.o CC fs/proc/interrupts.o LD drivers/media/rc/keymaps/built-in.o CC fs/ntfs/inode.o CC net/ipv4/tcp_recovery.o CC net/ipv4/tcp_offload.o LD block/partitions/built-in.o LD fs/notify/dnotify/built-in.o CC lib/dump_stack.o CC net/ipv4/datagram.o CC block/deadline-iosched.o LD drivers/media/rc/built-in.o CC fs/ext4/ext4_jbd2.o CC drivers/net/Space.o CC drivers/net/loopback.o LD drivers/reset/built-in.o CC lib/earlycpio.o CC lib/extable.o CC net/ipv4/raw.o LD fs/jbd2/jbd2.o CC fs/ntfs/mft.o CC fs/ext4/migrate.o CC drivers/pps/kapi.o LD drivers/media/tuners/built-in.o CC lib/fdt.o CC net/ipv4/udp.o LD fs/jbd2/built-in.o LD fs/fat/vfat.o CC net/sunrpc/timer.o CC fs/eventpoll.o LD drivers/soc/built-in.o CC fs/anon_inodes.o CC fs/lockd/xdr.o CC drivers/scsi/scsi.o LD drivers/media/usb/b2c2/built-in.o CC drivers/usb/common/common.o CC fs/proc/loadavg.o CC drivers/base/cacheinfo.o CC lib/fdt_empty_tree.o CC net/core/gen_estimator.o LD drivers/video/backlight/built-in.o CC drivers/tty/tty_io.o LD drivers/media/usb/dvb-usb/built-in.o CC drivers/tty/n_tty.o CC drivers/pps/sysfs.o CC drivers/tty/tty_ioctl.o CC fs/proc/meminfo.o CC fs/ext4/mballoc.o CC net/sunrpc/xdr.o LD drivers/ptp/ptp.o CC drivers/usb/core/usb.o LD drivers/media/usb/dvb-usb-v2/built-in.o CC fs/proc/stat.o LD drivers/ptp/built-in.o CC drivers/usb/core/hub.o CC drivers/usb/core/urb.o CC drivers/usb/core/hcd.o CC lib/fdt_ro.o LD drivers/media/usb/s2255/built-in.o CC drivers/video/console/dummycon.o CC drivers/video/console/fbcon.o CC fs/proc/uptime.o CC lib/fdt_rw.o CC fs/proc/version.o CC fs/proc/softirqs.o LD drivers/media/usb/siano/built-in.o CC fs/proc/namespaces.o CC fs/proc/self.o In file included from /home/kisskb/slave/src/fs/ext4/ext4_jbd2.c:5:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/video/fbdev/core/fb_notify.o LD drivers/pps/clients/built-in.o CC block/cfq-iosched.o CC net/core/net_namespace.o LD drivers/media/usb/stkwebcam/built-in.o LD drivers/pps/generators/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'xdr_encode_word': /home/kisskb/slave/src/net/sunrpc/xdr.c:1153:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->tail[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1144:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->head[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ LD drivers/pps/pps_core.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'write_bytes_to_xdr_buf': /home/kisskb/slave/src/net/sunrpc/xdr.c:1153:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->tail[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1149:17: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_to_pages(subbuf->pages, subbuf->page_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1144:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(subbuf->head[0].iov_base, obj, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1159:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ CC fs/proc/thread_self.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'read_bytes_from_xdr_buf': /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->head[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ LD drivers/usb/common/usb-common.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'xdr_decode_word': /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->head[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ LD drivers/net/ethernet/cadence/built-in.o LD drivers/usb/common/built-in.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/pps/built-in.o CC fs/proc/proc_sysctl.o /home/kisskb/slave/src/net/sunrpc/xdr.c: In function 'xdr_buf_read_netobj': /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1199:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1199:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1199:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1207:12: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] obj->data = subbuf.head[0].iov_base; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1122:8: warning: 'subbuf.tail[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->tail[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.tail[0].iov_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.page_base' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.page_base' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1118:19: warning: 'subbuf.pages' may be used uninitialized in this function [-Wmaybe-uninitialized] _copy_from_pages(obj, subbuf->pages, subbuf->page_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.pages' was declared here struct xdr_buf subbuf; ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1113:8: warning: 'subbuf.head[0].iov_base' may be used uninitialized in this function [-Wmaybe-uninitialized] memcpy(obj, subbuf->head[0].iov_base, this_len); ^ /home/kisskb/slave/src/net/sunrpc/xdr.c:1128:17: note: 'subbuf.head[0].iov_base' was declared here struct xdr_buf subbuf; ^ CC fs/proc/proc_net.o LD fs/nfs/nfsv3.o LD drivers/net/ethernet/ezchip/built-in.o LD fs/nfs/built-in.o CC drivers/video/logo/logo.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/net/ethernet/qualcomm/built-in.o In file included from /home/kisskb/slave/src/fs/ext4/mballoc.c:24:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/tty/tty_ldisc.o CC fs/proc/kmsg.o LD drivers/media/usb/built-in.o LD drivers/net/ethernet/renesas/built-in.o LD fs/fat/fat.o CC net/sunrpc/sunrpc_syms.o CC fs/proc/page.o CC drivers/mmc/host/sdhci.o LD fs/notify/inotify/built-in.o LD fs/fat/msdos.o CC drivers/base/devtmpfs.o LD fs/notify/built-in.o CC drivers/base/power/clock_ops.o CC fs/lockd/clnt4xdr.o CC fs/ext4/block_validity.o LD fs/fat/built-in.o LD drivers/net/ethernet/rocker/built-in.o CC drivers/usb/core/message.o LOGO drivers/video/logo/logo_superh_mono.c CC fs/timerfd.o CC fs/signalfd.o CC fs/eventfd.o CC drivers/scsi/hosts.o LOGO drivers/video/logo/logo_linux_mono.c LD drivers/media/built-in.o CC drivers/usb/core/driver.o LD drivers/net/ethernet/samsung/built-in.o LOGO drivers/video/logo/logo_superh_vga16.c CC net/ipv4/udplite.o LOGO drivers/video/logo/clut_vga16.c LOGO drivers/video/logo/logo_linux_vga16.c CC drivers/video/fbdev/core/fb_cmdline.o LOGO drivers/video/logo/logo_blackfin_vga16.c LD drivers/base/power/built-in.o LOGO drivers/video/logo/logo_mac_clut224.c LOGO drivers/video/logo/logo_spe_clut224.c LOGO drivers/video/logo/logo_superh_clut224.c LOGO drivers/video/logo/logo_sun_clut224.c LOGO drivers/video/logo/logo_linux_clut224.c CC drivers/net/phy/phy.o LOGO drivers/video/logo/logo_parisc_clut224.c CC drivers/net/phy/phy_device.o LOGO drivers/video/logo/logo_blackfin_clut224.c CC drivers/mmc/core/core.o CC drivers/base/regmap/regmap.o CC net/core/secure_seq.o LOGO drivers/video/logo/logo_dec_clut224.c LOGO drivers/video/logo/logo_m32r_clut224.c LOGO drivers/video/logo/logo_sgi_clut224.c CC fs/ext4/move_extent.o LD drivers/video/logo/built-in.o CC drivers/mmc/core/bus.o CC net/ipv4/udp_offload.o CC drivers/net/phy/mdio_bus.o In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/net/ipv4/tcp_metrics.c: In function 'tcp_metrics_nl_cmd_get': /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:981:23: note: 'saddr.<Uf000>.key[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:981:23: note: 'saddr.<Uf000>.key[2]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:26: warning: 'saddr.<Uf000>.a4.vif' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:981:23: note: 'saddr.<Uf000>.a4.vif' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.a4.addr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:981:23: note: 'saddr.<Uf000>.a4.addr' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:981:30: note: 'daddr.in6_u.u6_addr32[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:981:30: note: 'daddr.in6_u.u6_addr32[2]' was declared here struct inetpeer_addr saddr, daddr; ^ CC drivers/net/phy/national.o CC fs/aio.o CC fs/locks.o /home/kisskb/slave/src/block/cfq-iosched.c: In function 'cfq_async_queue_prio': /home/kisskb/slave/src/block/cfq-iosched.c:3775:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/net/ethernet/stmicro/stmmac/stmmac_main.o CC drivers/video/fbdev/core/fbmem.o CC drivers/video/fbdev/core/fbmon.o CC drivers/scsi/scsi_ioctl.o In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/net/ipv4/tcp_metrics.c: In function 'tcp_metrics_nl_cmd_del': /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.<Uf000>.a4.addr' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1062:30: note: 'daddr.<Uf000>.a4.addr' was declared here struct inetpeer_addr saddr, daddr; ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1079:7: warning: 'hash' may be used uninitialized in this function [-Wmaybe-uninitialized] hash ^= net_hash_mix(net); ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1062:23: note: 'saddr.<Uf000>.key[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'saddr.<Uf000>.key[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1062:23: note: 'saddr.<Uf000>.key[2]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[3]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1062:30: note: 'daddr.in6_u.u6_addr32[3]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:16:0: /home/kisskb/slave/src/include/net/inetpeer.h:141:6: warning: 'daddr.in6_u.u6_addr32[2]' may be used uninitialized in this function [-Wmaybe-uninitialized] if (a->key[i] == b->key[i]) ^ /home/kisskb/slave/src/net/ipv4/tcp_metrics.c:1062:30: note: 'daddr.in6_u.u6_addr32[2]' was declared here struct inetpeer_addr saddr, daddr; ^ In file included from /home/kisskb/slave/src/fs/ext4/move_extent.c:19:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC drivers/scsi/scsicam.o CC lib/fdt_strerror.o CC fs/ext4/mmp.o CC drivers/base/dma-mapping.o CC drivers/mmc/core/host.o CC lib/fdt_sw.o CC drivers/usb/core/config.o CC net/core/flow_dissector.o CC drivers/base/firmware_class.o CC fs/lockd/xdr4.o CC fs/lockd/svc4proc.o CC drivers/of/device.o CC drivers/of/platform.o CC drivers/usb/core/file.o CC drivers/usb/core/buffer.o CC drivers/video/fbdev/core/fbcmap.o CC drivers/usb/core/sysfs.o CC net/sunrpc/cache.o CC drivers/video/fbdev/core/fbsysfs.o CC fs/ntfs/mst.o CC drivers/video/fbdev/core/modedb.o CC lib/fdt_wip.o CC net/ipv4/arp.o CC drivers/base/module.o CC drivers/usb/core/endpoint.o LD fs/proc/proc.o CC drivers/usb/core/devio.o CC lib/flex_proportions.o CC drivers/tty/tty_buffer.o CC fs/binfmt_script.o LD fs/proc/built-in.o CC fs/binfmt_elf.o CC drivers/scsi/scsi_error.o CC drivers/tty/tty_mutex.o CC drivers/tty/tty_port.o CC drivers/video/fbdev/core/fbcvt.o CC fs/mbcache.o CC net/ipv4/icmp.o CC drivers/usb/core/notify.o CC net/ipv4/devinet.o CC net/ipv4/af_inet.o CC drivers/usb/core/generic.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.o CC fs/ntfs/namei.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.o CC drivers/base/regmap/regcache.o CC drivers/mmc/card/queue.o CC drivers/net/ethernet/stmicro/stmmac/ring_mode.o LD drivers/net/phy/libphy.o CC drivers/net/ethernet/stmicro/stmmac/chain_mode.o CC fs/coredump.o LD drivers/net/phy/built-in.o CC net/ipv4/igmp.o LD drivers/net/wireless/realtek/built-in.o CC drivers/tty/tty_ldsem.o CC net/core/sysctl_net_core.o CC drivers/usb/core/quirks.o CC net/ipv4/fib_frontend.o LD drivers/net/wireless/built-in.o CC drivers/of/fdt.o CC net/ipv4/fib_semantics.o In file included from /home/kisskb/slave/src/include/linux/elf.h:4:0, from /home/kisskb/slave/src/include/linux/module.h:15, from /home/kisskb/slave/src/fs/binfmt_elf.c:12: /home/kisskb/slave/src/fs/binfmt_elf.c: In function 'load_elf_binary': /home/kisskb/slave/src/arch/arc/include/asm/elf.h:58:29: warning: integer overflow in expression [-Woverflow] #define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) ^ /home/kisskb/slave/src/fs/binfmt_elf.c:915:16: note: in expansion of macro 'ELF_ET_DYN_BASE' load_bias = ELF_ET_DYN_BASE - vaddr; ^ CC net/core/dev.o CC drivers/usb/core/devices.o CC drivers/mmc/core/mmc.o CC drivers/tty/pty.o CC fs/ext4/indirect.o CC fs/drop_caches.o CC drivers/net/ethernet/stmicro/stmmac/dwmac_lib.o CC lib/idr.o CC drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.o CC net/ipv4/fib_trie.o CC net/ipv4/inet_fragment.o CC drivers/base/regmap/regcache-rbtree.o CC drivers/usb/core/port.o CC lib/int_sqrt.o CC net/ipv4/ping.o CC lib/ioremap.o CC net/core/ethtool.o CC lib/irq_regs.o CC lib/is_single_threaded.o LD drivers/video/fbdev/core/fb.o CC drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.o CC lib/klist.o LD drivers/video/fbdev/core/built-in.o CC fs/ntfs/runlist.o In file included from /home/kisskb/slave/src/fs/ext4/indirect.c:23:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC fs/ntfs/super.o CC fs/ntfs/sysctl.o LD drivers/video/fbdev/omap2/displays-new/built-in.o /home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_err': /home/kisskb/slave/src/net/ipv4/ping.c:559:37: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] harderr = icmp_err_convert[code].fatal; ^ /home/kisskb/slave/src/net/ipv4/ping.c:532:3: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] switch (type) { ^ /home/kisskb/slave/src/net/ipv4/ping.c:513:48: warning: 'icmph' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!ping_supported(family, icmph->type, icmph->code)) ^ CC drivers/net/ethernet/stmicro/stmmac/dwmac100_core.o LD drivers/video/fbdev/omap2/dss/built-in.o /home/kisskb/slave/src/net/ipv4/ping.c: In function 'ping_common_sendmsg': /home/kisskb/slave/src/net/ipv4/ping.c:690:21: warning: 'type' may be used uninitialized in this function [-Wmaybe-uninitialized] if (!ping_supported(family, type, code)) ^ /home/kisskb/slave/src/net/ipv4/ping.c:476:63: warning: 'code' may be used uninitialized in this function [-Wmaybe-uninitialized] return (family == AF_INET && type == ICMP_ECHO && code == 0) \|\| ^ /home/kisskb/slave/src/net/ipv4/ping.c:658:11: note: 'code' was declared here u8 type, code; ^ CC fs/lockd/procfs.o CC drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.o CC drivers/net/ethernet/stmicro/stmmac/enh_desc.o CC drivers/net/ethernet/stmicro/stmmac/norm_desc.o CC drivers/net/ethernet/stmicro/stmmac/mmc_core.o LD drivers/video/fbdev/omap2/built-in.o CC lib/kobject.o CC lib/kobject_uevent.o LD drivers/tty/ipwireless/built-in.o CC lib/md5.o CC drivers/scsi/scsi_lib.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.o /home/kisskb/slave/src/net/ipv4/fib_trie.c: In function 'fib_trie_unmerge': /home/kisskb/slave/src/net/ipv4/fib_trie.c:911:11: warning: 'local_tp' may be used uninitialized in this function [-Wmaybe-uninitialized] while (tn->slen < l->slen) { ^ /home/kisskb/slave/src/net/ipv4/fib_trie.c:1697:39: note: 'local_tp' was declared here struct key_vector local_l = NULL, local_tp; ^ LD drivers/video/fbdev/built-in.o CC drivers/tty/serial/serial_core.o CC net/ipv4/ip_tunnel_core.o CC drivers/net/ethernet/stmicro/stmmac/stmmac_platform.o CC drivers/tty/vt/vt_ioctl.o CC drivers/net/ethernet/stmicro/stmmac/dwmac-generic.o CC net/ipv4/gre_offload.o CC lib/nmi_backtrace.o /home/kisskb/slave/src/net/core/ethtool.c: In function 'ethtool_get_feature_mask': /home/kisskb/slave/src/net/core/ethtool.c:260:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD block/built-in.o CC lib/plist.o CC fs/ext4/extents_status.o CC net/ipv4/sysctl_net_ipv4.o LD drivers/usb/core/usbcore.o CC net/ipv4/proc.o CC fs/ntfs/unistr.o CC lib/proportions.o CC drivers/base/regmap/regcache-lzo.o LD drivers/usb/core/built-in.o CC lib/radix-tree.o LD drivers/mmc/card/mmc_block.o LD drivers/mmc/card/built-in.o CC lib/ratelimit.o LD drivers/usb/misc/built-in.o CC drivers/usb/host/ehci-hcd.o CC lib/rbtree.o CC net/ipv4/inet_lro.o CC net/ipv4/ipconfig.o CC fs/ntfs/upcase.o CC drivers/usb/phy/of.o LD fs/lockd/lockd.o CC fs/ext4/xattr.o CC lib/seq_buf.o LD fs/lockd/built-in.o CC fs/ext4/xattr_trusted.o CC fs/ext4/xattr_user.o CC drivers/of/address.o CC drivers/of/fdt_address.o CC drivers/video/console/bitblit.o CC lib/sha1.o CC lib/show_mem.o CC drivers/video/console/softcursor.o CC lib/string.o CC net/ipv4/inet_diag.o CC lib/timerqueue.o CC drivers/mmc/host/dw_mmc.o CC fs/ext4/inline.o CC drivers/of/irq.o CC drivers/of/of_net.o LD drivers/usb/phy/built-in.o CC drivers/base/regmap/regcache-flat.o CC drivers/base/regmap/regmap-mmio.o CC drivers/tty/serial/earlycon.o In file included from /home/kisskb/slave/src/fs/ext4/inline.c:17:0: /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h: In function 'ext4_inode_journal_mode': /home/kisskb/slave/src/fs/ext4/ext4_jbd2.h:409:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ CC net/ipv4/tcp_diag.o CC net/ipv4/tcp_cubic.o LD drivers/net/ethernet/stmicro/stmmac/stmmac.o CC net/ipv4/xfrm4_policy.o CC drivers/tty/serial/8250/8250_core.o CC lib/vsprintf.o CC net/ipv4/xfrm4_state.o CC drivers/usb/storage/scsiglue.o CC drivers/usb/storage/protocol.o /home/kisskb/slave/src/drivers/base/regmap/regmap-mmio.c: In function 'regmap_mmio_get_offset': /home/kisskb/slave/src/drivers/base/regmap/regmap-mmio.c:86:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ LD drivers/net/ethernet/stmicro/stmmac/stmmac-platform.o CC drivers/scsi/scsi_lib_dma.o CC drivers/scsi/scsi_common.o CC net/ipv4/xfrm4_input.o LD drivers/net/ethernet/stmicro/stmmac/built-in.o CC drivers/tty/serial/8250/8250_port.o LD drivers/net/ethernet/stmicro/built-in.o CC drivers/of/of_mdio.o CC fs/ext4/readpage.o CC drivers/usb/storage/transport.o GEN lib/crc32table.h CC lib/crc32.o CC drivers/usb/storage/usb.o CC fs/ext4/sysfs.o LD drivers/net/ethernet/synopsys/built-in.o CC drivers/tty/serial/of_serial.o CC drivers/mmc/host/dw_mmc-pltfm.o CC drivers/mmc/host/sdhci-pltfm.o LD drivers/net/ethernet/built-in.o CC drivers/usb/storage/initializers.o CC net/ipv4/xfrm4_protocol.o CC net/ipv4/xfrm4_output.o CC drivers/usb/storage/sierra_ms.o CC drivers/usb/storage/option_ms.o LD drivers/base/regmap/built-in.o CC drivers/usb/storage/usual-tables.o CC drivers/scsi/scsi_scan.o /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c:250:10: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized] BUG_ON(i->head == NULL); ^ /home/kisskb/slave/src/drivers/tty/serial/8250/8250_core.c:235:19: note: 'i' was declared here struct irq_info *i; ^ LD drivers/net/built-in.o LD drivers/base/built-in.o CC drivers/scsi/scsi_sysfs.o CC drivers/scsi/scsi_devinfo.o CC net/sunrpc/rpc_pipe.o CC net/sunrpc/svc_xprt.o CC net/sunrpc/stats.o CC net/sunrpc/sysctl.o CC drivers/tty/vt/vc_screen.o CC drivers/tty/vt/keyboard.o CC drivers/tty/vt/selection.o CC drivers/scsi/scsi_sysctl.o CONMK drivers/tty/vt/consolemap_deftbl.c LD drivers/of/built-in.o CC drivers/tty/vt/consolemap.o CC drivers/mmc/core/mmc_ops.o CC drivers/tty/serial/8250/8250_early.o CC drivers/tty/vt/vt.o CC drivers/tty/serial/8250/8250_dw.o SHIPPED drivers/tty/vt/defkeymap.c CC drivers/scsi/scsi_proc.o CC drivers/tty/vt/consolemap_deftbl.o CC drivers/scsi/scsi_trace.o CC net/core/dst.o CC net/core/dev_addr_lists.o CC drivers/tty/vt/defkeymap.o CC drivers/scsi/scsi_logging.o CC drivers/scsi/sd.o CC net/core/netevent.o CC net/core/neighbour.o CC drivers/mmc/core/sd.o CC net/core/rtnetlink.o CC net/core/filter.o CC drivers/mmc/core/sd_ops.o CC net/core/link_watch.o CC drivers/usb/host/ehci-platform.o CC net/core/utils.o CC drivers/usb/host/ohci-hcd.o CC drivers/usb/host/ohci-platform.o /home/kisskb/slave/src/drivers/usb/storage/transport.c: In function 'usb_stor_bulk_transfer_sg': /home/kisskb/slave/src/drivers/usb/storage/transport.c:499:15: warning: 'partial' may be used uninitialized in this function [-Wmaybe-uninitialized] length_left -= partial; ^ LD drivers/tty/serial/8250/8250.o LD fs/ntfs/ntfs.o CC net/core/sock_diag.o CC net/core/dev_ioctl.o LD lib/built-in.o CC net/core/tso.o CC drivers/mmc/core/sdio.o LD drivers/video/console/built-in.o /home/kisskb/slave/src/drivers/usb/storage/transport.c: In function 'usb_stor_bulk_srb': /home/kisskb/slave/src/drivers/usb/storage/transport.c:473:40: warning: 'partial' may be used uninitialized in this function [-Wmaybe-uninitialized] scsi_set_resid(srb, scsi_bufflen(srb) - partial); ^ CC drivers/mmc/core/sdio_ops.o CC net/core/flow.o CC drivers/mmc/core/sdio_bus.o LD fs/ntfs/built-in.o CC net/core/net-sysfs.o CC net/core/ptp_classifier.o CC net/core/net-procfs.o LD drivers/video/built-in.o CC drivers/mmc/core/sdio_cis.o CC drivers/mmc/core/sdio_io.o CC drivers/mmc/core/sdio_irq.o CC drivers/mmc/core/quirks.o CC drivers/mmc/core/slot-gpio.o CC drivers/mmc/core/pwrseq.o CC drivers/mmc/core/pwrseq_simple.o CC drivers/mmc/core/pwrseq_emmc.o LD drivers/usb/storage/usb-storage.o LD drivers/usb/storage/built-in.o LD fs/ext4/ext4.o /home/kisskb/slave/src/net/core/neighbour.c: In function 'neigh_sysctl_register': /home/kisskb/slave/src/net/core/neighbour.c:3180:10: warning: 'p_name' may be used uninitialized in this function [-Wmaybe-uninitialized] snprintf(neigh_path, sizeof(neigh_path), "net/%s/neigh/%s", ^ LD fs/ext4/built-in.o LD net/ipv4/built-in.o LD drivers/scsi/scsi_mod.o LD fs/built-in.o AR lib/lib.a LD drivers/usb/host/built-in.o LD drivers/usb/built-in.o LD drivers/mmc/core/mmc_core.o LD drivers/mmc/core/built-in.o LD drivers/tty/serial/8250/8250_base.o LD drivers/tty/serial/8250/built-in.o LD drivers/tty/serial/built-in.o LD net/sunrpc/sunrpc.o LD net/sunrpc/built-in.o LD drivers/mmc/host/built-in.o LD drivers/mmc/built-in.o LD drivers/scsi/sd_mod.o LD drivers/scsi/built-in.o LD drivers/tty/vt/built-in.o LD drivers/tty/built-in.o LD drivers/built-in.o LD net/core/built-in.o LD net/built-in.o LINK vmlinux LD vmlinux.o MODPOST vmlinux.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o KSYM .tmp_kallsyms1.o KSYM .tmp_kallsyms2.o LD vmlinux SORTEX vmlinux SYSMAP System.map Building modules, stage 2. MODPOST 5 modules CC crypto/drbg.mod.o CC crypto/echainiv.mod.o CC crypto/hmac.mod.o CC crypto/jitterentropy_rng.mod.o CC crypto/sha256_generic.mod.o LD [M] crypto/hmac.ko LD [M] crypto/drbg.ko LD [M] crypto/echainiv.ko LD [M] crypto/jitterentropy_rng.ko LD [M] crypto/sha256_generic.ko make[1]: Leaving directory '/home/kisskb/slave/build/linus_axs101_defconfig_arcompact' Completed OK # rm -rf /home/kisskb/slave/build/linus_axs101_defconfig_arcompact # Build took: 0:00:45.726653

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