Buildresult: linus/x86_64-defconfig/x86_64-gcc4.6 built on Sep 21 2018, 06:34

kisskb

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Status:	OK
Date/Time:	Sep 21 2018, 06:34
Duration:	0:00:34.636885
Builder:	ka4
Revision:	ocfs2: fix ocfs2 read block panic (`234b69e3e089d850a98e7b3145bd00e9b52b1111)`
Target:	linus/x86_64-defconfig/x86_64-gcc4.6
Branch:	linus
Compiler:	x86_64-gcc4.6 (x86_64-linux-gcc (GCC) 4.6.3)
Config:	defconfig (download)
Log:	Download original Possible warnings (18) kernel/printk/printk.c:185:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] kernel/cgroup/cgroup-v1.c:1256:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/tree.o: warning: objtool: rcu_init()+0x1c5: unreachable instruction mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] kernel/trace/trace.o: warning: objtool: tracing_start()+0x6d: unreachable instruction sound/hda/hdac_regmap.c:282:16: warning: 'err' may be used uninitialized in this function [-Wuninitialized] include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] mm/hugetlb.c:1433:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:2511:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap.c:1833:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/reservation.c:208:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] fs/aio.o: warning: objtool: aio_nr_sub()+0x2d: unreachable instruction drivers/clk/clk.o: warning: objtool: clk_prepare_unlock()+0x44: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/i915/i915_irq.c:3120:10: warning: 'gu_misc_iir' may be used uninitialized in this function [-Wuninitialized] net/mac80211/mlme.c:1511:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] Full Log # 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 <junxiao.bi@oracle.com> # 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:[<ffffffffa05e9f09>] [<ffffffffa05e9f09>] 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] [<ffffffffa0609f52>] ? ocfs2_inode_cache_io_unlock+0x12/0x20 [ocfs2] # [203748.709680] [<ffffffffa05eca00>] ? ocfs2_empty_dir_filldir+0x80/0x80 [ocfs2] # [203748.710185] [<ffffffffa05ec0cb>] ocfs2_read_dir_block_direct+0x3b/0x200 [ocfs2] # [203748.710691] [<ffffffffa05f0fbf>] ocfs2_prepare_dx_dir_for_insert.isra.57+0x19f/0xf60 [ocfs2] # [203748.711204] [<ffffffffa065660f>] ? ocfs2_metadata_cache_io_unlock+0x1f/0x30 [ocfs2] # [203748.711716] [<ffffffffa05f4f3a>] ocfs2_prepare_dir_for_insert+0x13a/0x890 [ocfs2] # [203748.712227] [<ffffffffa05f442e>] ? ocfs2_check_dir_for_entry+0x8e/0x140 [ocfs2] # [203748.712737] [<ffffffffa061b2f2>] ocfs2_mknod+0x4b2/0x1370 [ocfs2] # [203748.713003] [<ffffffffa061c385>] ocfs2_create+0x65/0x170 [ocfs2] # [203748.713263] [<ffffffff8121714b>] vfs_create+0xdb/0x150 # [203748.713518] [<ffffffff8121b225>] do_last+0x815/0x1210 # [203748.713772] [<ffffffff812192e9>] ? path_init+0xb9/0x450 # [203748.714123] [<ffffffff8121bca0>] path_openat+0x80/0x600 # [203748.714378] [<ffffffff811bcd45>] ? handle_pte_fault+0xd15/0x1620 # [203748.714634] [<ffffffff8121d7ba>] do_filp_open+0x3a/0xb0 # [203748.714888] [<ffffffff8122a767>] ? __alloc_fd+0xa7/0x130 # [203748.715143] [<ffffffff81209ffc>] do_sys_open+0x12c/0x220 # [203748.715403] [<ffffffff81026ddb>] ? syscall_trace_enter_phase1+0x11b/0x180 # [203748.715668] [<ffffffff816f0c9f>] ? system_call_after_swapgs+0xe9/0x190 # [203748.715928] [<ffffffff8120a10e>] SyS_open+0x1e/0x20 # [203748.716184] [<ffffffff816f0d5e>] 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 [<ffffffffa05e9f09>] ocfs2_read_blocks+0x669/0x7f0 [ocfs2] # [203748.717775] RSP <ffff88006ff4b818> # # 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 <junxiao.bi@oracle.com> # Cc: Joseph Qi <jiangqi903@gmail.com> # Cc: Mark Fasheh <mark@fasheh.com> # Cc: Joel Becker <jlbec@evilplan.org> # Cc: Changwei Ge <ge.changwei@h3c.com> # Cc: <stable@vger.kernel.org> # Signed-off-by: Andrew Morton <akpm@linux-foundation.org> # Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 234b69e3e089d850a98e7b3145bd00e9b52b1111 # < make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- x86_64_defconfig # make -s -j 120 ARCH=x86 O=/kisskb/build/linus_x86_64_defconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- /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/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:653:2: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] /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] kernel/rcu/tree.o: warning: objtool: rcu_init()+0x1c5: unreachable instruction /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] kernel/trace/trace.o: warning: objtool: tracing_start()+0x6d: unreachable instruction /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/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/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:5: warning: 'page' 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/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/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:208:2: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:161:17: note: 'k' was declared here fs/aio.o: warning: objtool: aio_nr_sub()+0x2d: unreachable instruction drivers/clk/clk.o: warning: objtool: clk_prepare_unlock()+0x44: unreachable instruction /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/drivers/gpu/drm/i915/i915_irq.c: In function 'gen11_irq_handler': /kisskb/src/drivers/gpu/drm/i915/i915_irq.c:3120:10: warning: 'gu_misc_iir' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/i915/i915_irq.c:3131:6: note: 'gu_misc_iir' was declared here /kisskb/src/net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon': /kisskb/src/net/mac80211/mlme.c:1511:3: warning: 'pwr_level_cisco' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/net/mac80211/mlme.c:1468:6: note: 'pwr_level_cisco' was declared here Completed OK # rm -rf /kisskb/build/linus_x86_64_defconfig_x86_64 # Build took: 0:00:34.636885

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