# git rev-parse -q --verify 234b69e3e089d850a98e7b3145bd00e9b52b1111^{commit} 234b69e3e089d850a98e7b3145bd00e9b52b1111 already have revision, skipping fetch # git checkout -q -f -B kisskb 234b69e3e089d850a98e7b3145bd00e9b52b1111 # git clean -qxdf # < git log -1 # commit 234b69e3e089d850a98e7b3145bd00e9b52b1111 # Author: Junxiao Bi # Date: Thu Sep 20 12:22:51 2018 -0700 # # ocfs2: fix ocfs2 read block panic # # While reading block, it is possible that io error return due to underlying # storage issue, in this case, BH_NeedsValidate was left in the buffer head. # Then when reading the very block next time, if it was already linked into # journal, that will trigger the following panic. # # [203748.702517] kernel BUG at fs/ocfs2/buffer_head_io.c:342! # [203748.702533] invalid opcode: 0000 [#1] SMP # [203748.702561] Modules linked in: ocfs2 ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs sunrpc dm_switch dm_queue_length dm_multipath bonding be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i iw_cxgb4 cxgb4 cxgb3i libcxgbi iw_cxgb3 cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_devintf iTCO_wdt iTCO_vendor_support dcdbas ipmi_ssif i2c_core ipmi_si ipmi_msghandler acpi_pad pcspkr sb_edac edac_core lpc_ich mfd_core shpchp sg tg3 ptp pps_core ext4 jbd2 mbcache2 sr_mod cdrom sd_mod ahci libahci megaraid_sas wmi dm_mirror dm_region_hash dm_log dm_mod # [203748.703024] CPU: 7 PID: 38369 Comm: touch Not tainted 4.1.12-124.18.6.el6uek.x86_64 #2 # [203748.703045] Hardware name: Dell Inc. PowerEdge R620/0PXXHP, BIOS 2.5.2 01/28/2015 # [203748.703067] task: ffff880768139c00 ti: ffff88006ff48000 task.ti: ffff88006ff48000 # [203748.703088] RIP: 0010:[] [] ocfs2_read_blocks+0x669/0x7f0 [ocfs2] # [203748.703130] RSP: 0018:ffff88006ff4b818 EFLAGS: 00010206 # [203748.703389] RAX: 0000000008620029 RBX: ffff88006ff4b910 RCX: 0000000000000000 # [203748.703885] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00000000023079fe # [203748.704382] RBP: ffff88006ff4b8d8 R08: 0000000000000000 R09: ffff8807578c25b0 # [203748.704877] R10: 000000000f637376 R11: 000000003030322e R12: 0000000000000000 # [203748.705373] R13: ffff88006ff4b910 R14: ffff880732fe38f0 R15: 0000000000000000 # [203748.705871] FS: 00007f401992c700(0000) GS:ffff880bfebc0000(0000) knlGS:0000000000000000 # [203748.706370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [203748.706627] CR2: 00007f4019252440 CR3: 00000000a621e000 CR4: 0000000000060670 # [203748.707124] Stack: # [203748.707371] ffff88006ff4b828 ffffffffa0609f52 ffff88006ff4b838 0000000000000001 # [203748.707885] 0000000000000000 0000000000000000 ffff880bf67c3800 ffffffffa05eca00 # [203748.708399] 00000000023079ff ffffffff81c58b80 0000000000000000 0000000000000000 # [203748.708915] Call Trace: # [203748.709175] [] ? ocfs2_inode_cache_io_unlock+0x12/0x20 [ocfs2] # [203748.709680] [] ? ocfs2_empty_dir_filldir+0x80/0x80 [ocfs2] # [203748.710185] [] ocfs2_read_dir_block_direct+0x3b/0x200 [ocfs2] # [203748.710691] [] ocfs2_prepare_dx_dir_for_insert.isra.57+0x19f/0xf60 [ocfs2] # [203748.711204] [] ? ocfs2_metadata_cache_io_unlock+0x1f/0x30 [ocfs2] # [203748.711716] [] ocfs2_prepare_dir_for_insert+0x13a/0x890 [ocfs2] # [203748.712227] [] ? ocfs2_check_dir_for_entry+0x8e/0x140 [ocfs2] # [203748.712737] [] ocfs2_mknod+0x4b2/0x1370 [ocfs2] # [203748.713003] [] ocfs2_create+0x65/0x170 [ocfs2] # [203748.713263] [] vfs_create+0xdb/0x150 # [203748.713518] [] do_last+0x815/0x1210 # [203748.713772] [] ? path_init+0xb9/0x450 # [203748.714123] [] path_openat+0x80/0x600 # [203748.714378] [] ? handle_pte_fault+0xd15/0x1620 # [203748.714634] [] do_filp_open+0x3a/0xb0 # [203748.714888] [] ? __alloc_fd+0xa7/0x130 # [203748.715143] [] do_sys_open+0x12c/0x220 # [203748.715403] [] ? syscall_trace_enter_phase1+0x11b/0x180 # [203748.715668] [] ? system_call_after_swapgs+0xe9/0x190 # [203748.715928] [] SyS_open+0x1e/0x20 # [203748.716184] [] system_call_fastpath+0x18/0xd7 # [203748.716440] Code: 00 00 48 8b 7b 08 48 83 c3 10 45 89 f8 44 89 e1 44 89 f2 4c 89 ee e8 07 06 11 e1 48 8b 03 48 85 c0 75 df 8b 5d c8 e9 4d fa ff ff <0f> 0b 48 8b 7d a0 e8 dc c6 06 00 48 b8 00 00 00 00 00 00 00 10 # [203748.717505] RIP [] ocfs2_read_blocks+0x669/0x7f0 [ocfs2] # [203748.717775] RSP # # Joesph ever reported a similar panic. # Link: https://oss.oracle.com/pipermail/ocfs2-devel/2013-May/008931.html # # Link: http://lkml.kernel.org/r/20180912063207.29484-1-junxiao.bi@oracle.com # Signed-off-by: Junxiao Bi # Cc: Joseph Qi # Cc: Mark Fasheh # Cc: Joel Becker # Cc: Changwei Ge # Cc: # Signed-off-by: Andrew Morton # Signed-off-by: Greg Kroah-Hartman # < /opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux-gcc --version # < git log --format=%s --max-count=1 234b69e3e089d850a98e7b3145bd00e9b52b1111 # < make -s -j 120 ARCH=sh O=/kisskb/build/linus_sh-allmodconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # yes \n | make -s -j 120 ARCH=sh O=/kisskb/build/linus_sh-allmodconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=sh O=/kisskb/build/linus_sh-allmodconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- Generating include/generated/machtypes.h :1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] :1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] :1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp] :1326:2: warning: #warning syscall statx not implemented [-Wcpp] :1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp] :1335:2: warning: #warning syscall rseq not implemented [-Wcpp] /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S: Assembler messages: /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:89: Warning: overflow in branch to __restore_all; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:208: Warning: overflow in branch to syscall_call; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:356: Warning: overflow in branch to syscall_trace_entry; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:358: Warning: overflow in branch to syscall_trace_entry; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:389: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/sh2/../../entry-common.S:392: Warning: overflow in branch to syscall_exit_work; converted into longer instruction sequence /kisskb/src/arch/sh/kernel/cpu/clock.c: In function 'clk_init': /kisskb/src/arch/sh/kernel/cpu/clock.c:25:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] In file included from /kisskb/src/arch/sh/math-emu/math.c:23:0: /kisskb/src/include/math-emu/single.h:50:21: warning: "__BIG_ENDIAN" is not defined [-Wundef] In file included from /kisskb/src/arch/sh/math-emu/math.c:24:0: /kisskb/src/include/math-emu/double.h:59:21: warning: "__BIG_ENDIAN" is not defined [-Wundef] /kisskb/src/arch/sh/math-emu/math.c:54:0: warning: "WRITE" redefined [enabled by default] /kisskb/src/include/linux/kernel.h:66:0: note: this is the location of the previous definition /kisskb/src/arch/sh/math-emu/math.c:55:0: warning: "READ" redefined [enabled by default] /kisskb/src/include/linux/kernel.h:65:0: note: this is the location of the previous definition /kisskb/src/arch/sh/math-emu/math.c: In function 'fcmp_gt': /kisskb/src/arch/sh/math-emu/math.c:81:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:81:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c: In function 'fcmp_eq': /kisskb/src/arch/sh/math-emu/math.c:92:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:92:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c: In function 'fadd': /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:108:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'fsub': /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:115:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'fmul': /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:122:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'fdiv': /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:129:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'fmac': /kisskb/src/arch/sh/math-emu/math.c:145:2: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:145:2: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:147:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:147:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:147:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'ffloat': /kisskb/src/arch/sh/math-emu/math.c:294:3: warning: right shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:294:3: warning: right shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:294:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:294:3: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:294:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:294:3: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:294:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:296:3: warning: right shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:296:3: warning: right shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:296:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:296:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:296:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'ftrc': /kisskb/src/arch/sh/math-emu/math.c:310:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:310:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:310:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:310:1: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:310:1: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c: In function 'fcnvsd': /kisskb/src/arch/sh/math-emu/math.c:323:2: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:324:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:324:2: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:324:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:324:2: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:324:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: In function 'fcnvds': /kisskb/src/arch/sh/math-emu/math.c:333:1: warning: left shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:334:2: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:334:2: warning: left shift count >= width of type [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:334:2: warning: right shift count is negative [enabled by default] /kisskb/src/arch/sh/math-emu/math.c:335:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:335:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c:335:1: warning: statement with no effect [-Wunused-value] /kisskb/src/arch/sh/math-emu/math.c: At top level: /kisskb/src/arch/sh/math-emu/math.c:505:12: warning: 'ieee_fpe_handler' defined but not used [-Wunused-function] /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/drivers/serial-u16550.c: In function 'snd_serial_probe': /kisskb/src/sound/drivers/serial-u16550.c:959:6: warning: 'uart' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/nobootmem.c: In function '__alloc_memory_core_early': /kisskb/src/mm/nobootmem.c:65:8: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/hda/hdac_regmap.c: In function 'hda_reg_write': /kisskb/src/sound/hda/hdac_regmap.c:282:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/afs/dynroot.c: In function 'afs_lookup_atcell': /kisskb/src/fs/afs/dynroot.c:126:6: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2871:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:156:1: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/clk/sunxi-ng/ccu_mux.c: In function 'ccu_mux_helper_determine_rate': /kisskb/src/drivers/clk/sunxi-ng/ccu_mux.c:153:22: warning: 'best_parent' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c: In function 'arizona_hw_params': /kisskb/src/sound/soc/codecs/arizona.c:1893:3: warning: 'aif_rx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/arizona.c:1890:3: warning: 'aif_tx_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/joystick/analog.c:172:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:341:21: note: 'pdeo' was declared here /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc': /kisskb/src/fs/nfsd/nfs4xdr.c:2069:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter': /kisskb/src/fs/ocfs2/file.c:2386:3: warning: value computed is not used [-Wunused-value] /kisskb/src/net/bridge/br_netlink.c: In function 'br_process_vlan_info': /kisskb/src/net/bridge/br_netlink.c:589:10: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/8390/ax88796.c: In function 'ax_remove': /kisskb/src/drivers/net/ethernet/8390/ax88796.c:813:20: warning: unused variable 'ei_local' [-Wunused-variable] /kisskb/src/drivers/net/arcnet/arc-rimi.c: In function 'arc_rimi_exit': /kisskb/src/drivers/net/arcnet/arc-rimi.c:346:23: warning: unused variable 'lp' [-Wunused-variable] /kisskb/src/drivers/net/can/cc770/cc770_platform.c: In function 'cc770_platform_remove': /kisskb/src/drivers/net/can/cc770/cc770_platform.c:244:21: warning: unused variable 'priv' [-Wunused-variable] /kisskb/src/drivers/mfd/htc-pasic3.c: In function 'pasic3_remove': /kisskb/src/drivers/mfd/htc-pasic3.c:189:22: warning: unused variable 'asic' [-Wunused-variable] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_extent_item': /kisskb/src/fs/btrfs/ref-verify.c:503:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ref-verify.c: In function 'process_leaf': /kisskb/src/fs/btrfs/ref-verify.c:555:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/da7219-aad.c: In function 'da7219_aad_hptest_work': /kisskb/src/sound/soc/codecs/da7219-aad.c:321:17: warning: 'pll_ctrl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/ncsi/ncsi-manage.c: In function 'set_one_vid': /kisskb/src/net/ncsi/ncsi-manage.c:625:19: warning: 'vid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/proximity/isl29501.c: In function 'isl29501_register_write': /kisskb/src/drivers/iio/proximity/isl29501.c:253:34: warning: 'msb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c: In function 'madera_mux_set_mux': /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:659:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/cirrus/pinctrl-madera-core.c:660:3: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/fujitsu/fmvj18x_cs.c: In function 'fjn_start_xmit': /kisskb/src/drivers/net/ethernet/fujitsu/fmvj18x_cs.c:818:17: warning: unused variable 'buf' [-Wunused-variable] /kisskb/src/drivers/net/ethernet/freescale/fsl_pq_mdio.c: In function 'fsl_pq_mdio_remove': /kisskb/src/drivers/net/ethernet/freescale/fsl_pq_mdio.c:523:27: warning: unused variable 'priv' [-Wunused-variable] /kisskb/src/drivers/net/wireless/cisco/airo.c: In function 'airo_read_stats': /kisskb/src/drivers/net/wireless/cisco/airo.c:2250:48: warning: '*((void *)&stats_rid+180)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2250:48: warning: '*((void *)&stats_rid+176)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2250:72: warning: '*((void *)&stats_rid+184)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2252:48: warning: '*((void *)&stats_rid+160)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2252:48: warning: '*((void *)&stats_rid+164)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2252:72: warning: '*((void *)&stats_rid+168)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2254:22: warning: '*((void *)&stats_rid+372)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2255:22: warning: '*((void *)&stats_rid+368)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2256:46: warning: '*((void *)&stats_rid+4)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2256:46: warning: '*((void *)&stats_rid+12)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2256:69: warning: '*((void *)&stats_rid+16)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2257:31: warning: '*((void *)&stats_rid+20)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2258:47: warning: '*((void *)&stats_rid+172)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2261:24: warning: '*((void *)&stats_rid+360)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c: In function 'airo_get_freq': /kisskb/src/drivers/net/wireless/cisco/airo.c:5826:5: warning: 'status_rid.channel' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c: In function 'airo_read_wireless_stats': /kisskb/src/drivers/net/wireless/cisco/airo.c:7707:23: warning: 'status_rid.mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:7712:20: warning: 'status_rid.sigQuality' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:7715:27: warning: 'status_rid.normalizedSignalStrength' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:5736:6: warning: 'status_rid.signalQuality' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:7690:12: note: 'status_rid.signalQuality' was declared here /kisskb/src/drivers/net/wireless/cisco/airo.c:7722:5: warning: 'status_rid.len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:7723:28: warning: 'status_rid.noisedBm' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c: In function '_init_airo_card.constprop.32': /kisskb/src/drivers/net/wireless/cisco/airo.c:2865:37: warning: 'cap_rid.softCap' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2868:2: warning: 'cap_rid.softVer' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c:2868:2: warning: 'cap_rid.softSubVer' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/cisco/airo.c: In function 'get_wep_tx_idx': /kisskb/src/drivers/net/wireless/cisco/airo.c:5186:6: warning: 'wkr.kindex' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c: In function 'b43_nphy_rf_ctl_override_rev7': /kisskb/src/drivers/net/wireless/broadcom/b43/phy_n.c:202:21: warning: 'val_addr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/smsc/smc91c92_cs.c: In function 'smc91c92_release': /kisskb/src/drivers/net/ethernet/smsc/smc91c92_cs.c:958:23: warning: unused variable 'smc' [-Wunused-variable] /kisskb/src/drivers/soc/qcom/rpmh.c: In function 'rpmh_write_batch': /kisskb/src/drivers/soc/qcom/rpmh.c:355:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_handle_pwr_constr': /kisskb/src/net/mac80211/mlme.c:1511:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/ethernet/smsc/smc911x.c: In function 'smc911x_drv_remove': /kisskb/src/drivers/net/ethernet/smsc/smc911x.c:2127:24: warning: unused variable 'lp' [-Wunused-variable] /kisskb/src/net/mac80211/mesh_pathtbl.c: In function 'mesh_path_add': /kisskb/src/net/mac80211/mesh_pathtbl.c:417:28: warning: 'new_mpath' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/thermal/broadcom/ns-thermal.c: In function 'ns_thermal_remove': /kisskb/src/drivers/thermal/broadcom/ns-thermal.c:81:21: warning: unused variable 'ns_thermal' [-Wunused-variable] /kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c: In function 'rtl8723a_phy_lc_calibrate': /kisskb/src/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c:3481:23: warning: 'rf_amode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/rt5665.c: In function 'rt5665_i2s_pin_event': /kisskb/src/sound/soc/codecs/rt5665.c:2666:33: warning: 'val2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/sound/soc/codecs/rt5665.c:2663:33: warning: 'val1' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1546:34: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1746:46: note: 'linear' was declared here /kisskb/src/drivers/staging/iio/adc/ad7606_par.c: In function 'ad7606_par16_read_block': /kisskb/src/drivers/staging/iio/adc/ad7606_par.c:22:23: warning: unused variable 'st' [-Wunused-variable] /kisskb/src/drivers/staging/iio/adc/ad7606_par.c: In function 'ad7606_par8_read_block': /kisskb/src/drivers/staging/iio/adc/ad7606_par.c:37:23: warning: unused variable 'st' [-Wunused-variable] /kisskb/src/drivers/media/usb/dvb-usb/pctv452e.c: In function 'pctv452e_frontend_attach': /kisskb/src/drivers/media/usb/dvb-usb/pctv452e.c:922:2: warning: value computed is not used [-Wunused-value] /kisskb/src/drivers/hwmon/w83627ehf.c: In function 'sensors_w83627ehf_init': /kisskb/src/drivers/hwmon/w83627ehf.c:2835:30: warning: 'address' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/scripts/unifdef.c: In function 'Mpass': /kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation] static void Mpass (void) { strncpy(keyword, "if ", 4); Pelif(); } ^~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/sh/boards/of-generic.o: In function `plat_irq_setup': (.init.text+0x174): multiple definition of `plat_irq_setup' arch/sh/kernel/cpu/sh2/setup-sh7619.o:(.init.text+0x30): first defined here arch/sh/boards/of-generic.o: In function `arch_init_clk_ops': (.init.text+0x158): multiple definition of `arch_init_clk_ops' arch/sh/kernel/cpu/sh2/clock-sh7619.o:(.init.text+0x0): first defined here make[1]: *** [/kisskb/src/Makefile:1026: vmlinux] Error 1 make: *** [Makefile:146: sub-make] Error 2 Command 'make -s -j 120 ARCH=sh O=/kisskb/build/linus_sh-allmodconfig_sh4 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/sh4-linux/bin/sh4-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_sh-allmodconfig_sh4 # Build took: 0:01:55.962584