* f2fs: kernel BUG at fs/f2fs/segment.h:543 @ 2014-04-05 15:12 Sasha Levin 2014-04-07 1:20 ` Jaegeuk Kim 2014-04-09 15:51 ` Chao Yu 0 siblings, 2 replies; 6+ messages in thread From: Sasha Levin @ 2014-04-05 15:12 UTC (permalink / raw) To: jaegeuk.kim; +Cc: Dave Jones, LKML, linux-f2fs-devel Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel I've stumbled on the following: [ 1789.220942] kernel BUG at fs/f2fs/segment.h:543! [ 1789.220942] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 1789.220942] Dumping ftrace buffer: [ 1789.220942] (ftrace buffer empty) [ 1789.220942] Modules linked in: [ 1789.220942] CPU: 0 PID: 28161 Comm: trinity-c0 Not tainted 3.14.0-next-20140403-sasha-00019-g7474aa9-dirty #376 [ 1789.220942] task: ffff88032a598000 ti: ffff880329c3e000 task.ti: ffff880329c3e000 [ 1789.220942] RIP: f2fs_submit_page_mbio (fs/f2fs/segment.h:543 fs/f2fs/data.c:181) [ 1789.220942] RSP: 0018:ffff880329c3fc08 EFLAGS: 00010287 [ 1789.220942] RAX: 000000000000ffff RBX: ffff88012ac66a00 RCX: 0000000000000009 [ 1789.220942] RDX: 0000000000000200 RSI: ffffea0001dd92c0 RDI: ffff88012ac667b0 [ 1789.220942] RBP: ffff880329c3fc58 R08: 00000000000ba28e R09: ffff88032a598d98 [ 1789.220942] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0001dd92c0 [ 1789.220942] R13: ffff88012ac667b0 R14: 0000000000000000 R15: ffff880329c3fc70 [ 1789.220942] FS: 00007f3599003700(0000) GS:ffff88007dc00000(0000) knlGS:0000000000000000 [ 1789.220942] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1789.220942] CR2: 00007faf4246a018 CR3: 0000000329b6f000 CR4: 00000000000006b0 [ 1789.220942] DR0: 0000000000696000 DR1: 0000000000696000 DR2: 0000000000000000 [ 1789.261947] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 1789.261947] Stack: [ 1789.261947] ffff88032a598000 ffff880d2a478278 0000000000000006 0000000000000082 [ 1789.261947] ffffffffaa289475 ffffea0001dd92c0 ffff88012ac667b0 ffff880329c3fd30 [ 1789.261947] 0000000000000000 ffffea0001dd92c0 ffff880329c3fc88 ffffffffaa9da033 [ 1789.278327] Call Trace: [ 1789.278327] ? clear_page_dirty_for_io (arch/x86/include/asm/paravirt.h:809 include/linux/backing-dev.h:176 mm/page-writeback.c:2355) [ 1789.278327] write_meta_page (fs/f2fs/segment.c:922) [ 1789.278327] f2fs_write_meta_page (arch/x86/include/asm/atomic.h:103 fs/f2fs/f2fs.h:692 fs/f2fs/checkpoint.c:172) [ 1789.288220] trinity-c32: vm86 mode not supported on 64 bit kernel [ 1789.278327] sync_meta_pages (fs/f2fs/checkpoint.c:247) [ 1789.278327] ? get_parent_ip (kernel/sched/core.c:2472) [ 1789.278327] ? preempt_count_sub (kernel/sched/core.c:2527) [ 1789.278327] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/preempt.h:98 include/linux/spinlock_api_smp.h:161 kernel/locking/spinlock.c:191) [ 1789.278327] write_checkpoint (fs/f2fs/checkpoint.c:875 fs/f2fs/checkpoint.c:913) [ 1789.310911] waiting module removal not supported: please upgrade [ 1789.278327] ? SyS_tee (fs/sync.c:77) [ 1789.278327] ? mutex_lock_nested (arch/x86/include/asm/paravirt.h:809 kernel/locking/mutex.c:569 kernel/locking/mutex.c:587) [ 1789.278327] ? get_parent_ip (kernel/sched/core.c:2472) [ 1789.278327] ? bit_waitqueue (kernel/sched/wait.c:291) [ 1789.278327] ? SyS_tee (fs/sync.c:77) [ 1789.278327] f2fs_sync_fs (fs/f2fs/super.c:456) [ 1789.278327] sync_fs_one_sb (fs/sync.c:80) [ 1789.278327] iterate_supers (fs/super.c:512) [ 1789.278327] sys_sync (fs/sync.c:110) [ 1789.278327] tracesys (arch/x86/kernel/entry_64.S:749) [ 1789.278327] Code: 48 c1 e0 04 48 8d 9c 07 f0 00 00 00 49 8b 45 38 41 8b 8d d0 06 00 00 8b 50 78 8b 80 84 00 00 00 d3 e0 41 39 d6 8d 44 02 ff 73 09 <0f> 0b 0f 1f 80 00 00 00 00 41 39 c6 76 03 0f 0b 90 48 8d 43 20 [ 1789.278327] RIP f2fs_submit_page_mbio (fs/f2fs/segment.h:543 fs/f2fs/data.c:181) [ 1789.278327] RSP <ffff880329c3fc08> Thanks, Sasha ------------------------------------------------------------------------------ ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: f2fs: kernel BUG at fs/f2fs/segment.h:543 2014-04-05 15:12 f2fs: kernel BUG at fs/f2fs/segment.h:543 Sasha Levin @ 2014-04-07 1:20 ` Jaegeuk Kim 2014-04-07 1:55 ` Sasha Levin 2014-04-09 15:51 ` Chao Yu 1 sibling, 1 reply; 6+ messages in thread From: Jaegeuk Kim @ 2014-04-07 1:20 UTC (permalink / raw) To: Sasha Levin; +Cc: Dave Jones, LKML, linux-f2fs-devel Hi, Thank you for the report. If possible, could you share fsck.f2fs or dump.f2fs on the corrupted partition? Otherwise, how about this? # fdisk /dev/sdx > p Thank you, 2014-04-05 (토), 11:12 -0400, Sasha Levin: > Hi all, > > While fuzzing with trinity inside a KVM tools guest running the latest > -next kernel I've stumbled on the following: > > [ 1789.220942] kernel BUG at fs/f2fs/segment.h:543! > [ 1789.220942] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > [ 1789.220942] Dumping ftrace buffer: > [ 1789.220942] (ftrace buffer empty) > [ 1789.220942] Modules linked in: > [ 1789.220942] CPU: 0 PID: 28161 Comm: trinity-c0 Not tainted 3.14.0-next-20140403-sasha-00019-g7474aa9-dirty #376 > [ 1789.220942] task: ffff88032a598000 ti: ffff880329c3e000 task.ti: ffff880329c3e000 > [ 1789.220942] RIP: f2fs_submit_page_mbio (fs/f2fs/segment.h:543 fs/f2fs/data.c:181) > [ 1789.220942] RSP: 0018:ffff880329c3fc08 EFLAGS: 00010287 > [ 1789.220942] RAX: 000000000000ffff RBX: ffff88012ac66a00 RCX: 0000000000000009 > [ 1789.220942] RDX: 0000000000000200 RSI: ffffea0001dd92c0 RDI: ffff88012ac667b0 > [ 1789.220942] RBP: ffff880329c3fc58 R08: 00000000000ba28e R09: ffff88032a598d98 > [ 1789.220942] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0001dd92c0 > [ 1789.220942] R13: ffff88012ac667b0 R14: 0000000000000000 R15: ffff880329c3fc70 > [ 1789.220942] FS: 00007f3599003700(0000) GS:ffff88007dc00000(0000) knlGS:0000000000000000 > [ 1789.220942] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1789.220942] CR2: 00007faf4246a018 CR3: 0000000329b6f000 CR4: 00000000000006b0 > [ 1789.220942] DR0: 0000000000696000 DR1: 0000000000696000 DR2: 0000000000000000 > [ 1789.261947] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 > [ 1789.261947] Stack: > [ 1789.261947] ffff88032a598000 ffff880d2a478278 0000000000000006 0000000000000082 > [ 1789.261947] ffffffffaa289475 ffffea0001dd92c0 ffff88012ac667b0 ffff880329c3fd30 > [ 1789.261947] 0000000000000000 ffffea0001dd92c0 ffff880329c3fc88 ffffffffaa9da033 > [ 1789.278327] Call Trace: > [ 1789.278327] ? clear_page_dirty_for_io (arch/x86/include/asm/paravirt.h:809 include/linux/backing-dev.h:176 mm/page-writeback.c:2355) > [ 1789.278327] write_meta_page (fs/f2fs/segment.c:922) > [ 1789.278327] f2fs_write_meta_page (arch/x86/include/asm/atomic.h:103 fs/f2fs/f2fs.h:692 fs/f2fs/checkpoint.c:172) > [ 1789.288220] trinity-c32: vm86 mode not supported on 64 bit kernel > [ 1789.278327] sync_meta_pages (fs/f2fs/checkpoint.c:247) > [ 1789.278327] ? get_parent_ip (kernel/sched/core.c:2472) > [ 1789.278327] ? preempt_count_sub (kernel/sched/core.c:2527) > [ 1789.278327] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/preempt.h:98 include/linux/spinlock_api_smp.h:161 kernel/locking/spinlock.c:191) > [ 1789.278327] write_checkpoint (fs/f2fs/checkpoint.c:875 fs/f2fs/checkpoint.c:913) > [ 1789.310911] waiting module removal not supported: please upgrade > [ 1789.278327] ? SyS_tee (fs/sync.c:77) > [ 1789.278327] ? mutex_lock_nested (arch/x86/include/asm/paravirt.h:809 kernel/locking/mutex.c:569 kernel/locking/mutex.c:587) > [ 1789.278327] ? get_parent_ip (kernel/sched/core.c:2472) > [ 1789.278327] ? bit_waitqueue (kernel/sched/wait.c:291) > [ 1789.278327] ? SyS_tee (fs/sync.c:77) > [ 1789.278327] f2fs_sync_fs (fs/f2fs/super.c:456) > [ 1789.278327] sync_fs_one_sb (fs/sync.c:80) > [ 1789.278327] iterate_supers (fs/super.c:512) > [ 1789.278327] sys_sync (fs/sync.c:110) > [ 1789.278327] tracesys (arch/x86/kernel/entry_64.S:749) > [ 1789.278327] Code: 48 c1 e0 04 48 8d 9c 07 f0 00 00 00 49 8b 45 38 41 8b 8d d0 06 00 00 8b 50 78 8b 80 84 00 00 00 d3 e0 41 39 d6 8d 44 02 ff 73 09 <0f> 0b 0f 1f 80 00 00 00 00 41 39 c6 76 03 0f 0b 90 48 8d 43 20 > [ 1789.278327] RIP f2fs_submit_page_mbio (fs/f2fs/segment.h:543 fs/f2fs/data.c:181) > [ 1789.278327] RSP <ffff880329c3fc08> > > > Thanks, > Sasha -- Jaegeuk Kim Samsung ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees_APR _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: f2fs: kernel BUG at fs/f2fs/segment.h:543 2014-04-07 1:20 ` Jaegeuk Kim @ 2014-04-07 1:55 ` Sasha Levin 2014-04-07 3:40 ` Jaegeuk Kim 0 siblings, 1 reply; 6+ messages in thread From: Sasha Levin @ 2014-04-07 1:55 UTC (permalink / raw) To: jaegeuk.kim; +Cc: Dave Jones, LKML, linux-f2fs-devel On 04/06/2014 09:20 PM, Jaegeuk Kim wrote: > Hi, > > Thank you for the report. > > If possible, could you share fsck.f2fs or dump.f2fs on the corrupted > partition? > > Otherwise, how about this? > # fdisk /dev/sdx >> > p Hey Jaegeuk, Unfortunately it was a temporary filesystem inside the fuzzer that has gone away as soon as the kernel died, so I don't have access to it. Thanks, Sasha ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees_APR ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: f2fs: kernel BUG at fs/f2fs/segment.h:543 2014-04-07 1:55 ` Sasha Levin @ 2014-04-07 3:40 ` Jaegeuk Kim 0 siblings, 0 replies; 6+ messages in thread From: Jaegeuk Kim @ 2014-04-07 3:40 UTC (permalink / raw) To: Sasha Levin; +Cc: Dave Jones, LKML, linux-f2fs-devel 2014-04-06 (일), 21:55 -0400, Sasha Levin: > On 04/06/2014 09:20 PM, Jaegeuk Kim wrote: > > Hi, > > > > Thank you for the report. > > > > If possible, could you share fsck.f2fs or dump.f2fs on the corrupted > > partition? > > > > Otherwise, how about this? > > # fdisk /dev/sdx > >> > p > > Hey Jaegeuk, > > Unfortunately it was a temporary filesystem inside the fuzzer that has > gone away as soon as the kernel died, so I don't have access to it. Got it. Then, just for sure, if it is reproducible, could you test f2fs with the following patch? Thanks, From 84f80a126458eeeaa3c4ebcecfb6908f7d22b214 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim <jaegeuk.kim@samsung.com> Date: Mon, 7 Apr 2014 12:37:39 +0900 Subject: [PATCH] test Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> --- fs/f2fs/segment.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 7091204..d9cf06e 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -540,6 +540,11 @@ static inline void verify_block_addr(struct f2fs_sb_info *sbi, block_t blk_addr) block_t total_blks = sm_info->segment_count << sbi->log_blocks_per_seg; block_t start_addr = sm_info->seg0_blkaddr; block_t end_addr = start_addr + total_blks - 1; + if (blk_addr < start_addr) { + f2fs_msg(sbi->sb, KERN_ERR, + "blk_addr: %ld, start: %ld, end: %ld", + blk_addr, start_addr, end_addr); + } BUG_ON(blk_addr < start_addr); BUG_ON(blk_addr > end_addr); } -- 1.8.4.474.g128a96c -- Jaegeuk Kim Samsung ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees_APR _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: f2fs: kernel BUG at fs/f2fs/segment.h:543 2014-04-05 15:12 f2fs: kernel BUG at fs/f2fs/segment.h:543 Sasha Levin 2014-04-07 1:20 ` Jaegeuk Kim @ 2014-04-09 15:51 ` Chao Yu 2014-04-09 15:57 ` Sasha Levin 1 sibling, 1 reply; 6+ messages in thread From: Chao Yu @ 2014-04-09 15:51 UTC (permalink / raw) To: 'Sasha Levin', jaegeuk.kim Cc: 'Dave Jones', 'LKML', linux-f2fs-devel Hi Levin, Could you share dump code info like following one which can be generated by 'objdump -Dl f2fs.ko > obj'. It may help us to get a clue for this problem. verify_block_addr() segment.h:543 (discriminator 3) 2f35: 39 55 ec cmp %edx,-0x14(%ebp) segment.h:542 (discriminator 3) 2f38: 8d 44 02 ff lea -0x1(%edx,%eax,1),%eax segment.h:543 (discriminator 3) 2f3c: 0f 82 dc 01 00 00 jb 311e <f2fs_submit_page_mbio+0x22e> segment.h:544 2f42: 39 45 ec cmp %eax,-0x14(%ebp) 2f45: 0f 87 d1 01 00 00 ja 311c <f2fs_submit_page_mbio+0x22c> Thank you > -----Original Message----- > From: Sasha Levin [mailto:sasha.levin@oracle.com] > Sent: Saturday, April 05, 2014 11:12 PM > To: jaegeuk.kim@samsung.com; jaegeuk.kim@samsung.com > Cc: Dave Jones; LKML; linux-f2fs-devel@lists.sourceforge.net; Dave Jones; LKML; > linux-f2fs-devel@lists.sourceforge.net > Subject: [f2fs-dev] f2fs: kernel BUG at fs/f2fs/segment.h:543 > > Hi all, > > While fuzzing with trinity inside a KVM tools guest running the latest > -next kernel I've stumbled on the following: > > [ 1789.220942] kernel BUG at fs/f2fs/segment.h:543! > [ 1789.220942] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > [ 1789.220942] Dumping ftrace buffer: > [ 1789.220942] (ftrace buffer empty) > [ 1789.220942] Modules linked in: > [ 1789.220942] CPU: 0 PID: 28161 Comm: trinity-c0 Not tainted > 3.14.0-next-20140403-sasha-00019-g7474aa9-dirty #376 > [ 1789.220942] task: ffff88032a598000 ti: ffff880329c3e000 task.ti: ffff880329c3e000 > [ 1789.220942] RIP: f2fs_submit_page_mbio (fs/f2fs/segment.h:543 fs/f2fs/data.c:181) > [ 1789.220942] RSP: 0018:ffff880329c3fc08 EFLAGS: 00010287 > [ 1789.220942] RAX: 000000000000ffff RBX: ffff88012ac66a00 RCX: 0000000000000009 > [ 1789.220942] RDX: 0000000000000200 RSI: ffffea0001dd92c0 RDI: ffff88012ac667b0 > [ 1789.220942] RBP: ffff880329c3fc58 R08: 00000000000ba28e R09: ffff88032a598d98 > [ 1789.220942] R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0001dd92c0 > [ 1789.220942] R13: ffff88012ac667b0 R14: 0000000000000000 R15: ffff880329c3fc70 > [ 1789.220942] FS: 00007f3599003700(0000) GS:ffff88007dc00000(0000) knlGS:0000000000000000 > [ 1789.220942] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 1789.220942] CR2: 00007faf4246a018 CR3: 0000000329b6f000 CR4: 00000000000006b0 > [ 1789.220942] DR0: 0000000000696000 DR1: 0000000000696000 DR2: 0000000000000000 > [ 1789.261947] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 > [ 1789.261947] Stack: > [ 1789.261947] ffff88032a598000 ffff880d2a478278 0000000000000006 0000000000000082 > [ 1789.261947] ffffffffaa289475 ffffea0001dd92c0 ffff88012ac667b0 ffff880329c3fd30 > [ 1789.261947] 0000000000000000 ffffea0001dd92c0 ffff880329c3fc88 ffffffffaa9da033 > [ 1789.278327] Call Trace: > [ 1789.278327] ? clear_page_dirty_for_io (arch/x86/include/asm/paravirt.h:809 > include/linux/backing-dev.h:176 mm/page-writeback.c:2355) > [ 1789.278327] write_meta_page (fs/f2fs/segment.c:922) > [ 1789.278327] f2fs_write_meta_page (arch/x86/include/asm/atomic.h:103 fs/f2fs/f2fs.h:692 > fs/f2fs/checkpoint.c:172) > [ 1789.288220] trinity-c32: vm86 mode not supported on 64 bit kernel > [ 1789.278327] sync_meta_pages (fs/f2fs/checkpoint.c:247) > [ 1789.278327] ? get_parent_ip (kernel/sched/core.c:2472) > [ 1789.278327] ? preempt_count_sub (kernel/sched/core.c:2527) > [ 1789.278327] ? _raw_spin_unlock_irqrestore (arch/x86/include/asm/preempt.h:98 > include/linux/spinlock_api_smp.h:161 kernel/locking/spinlock.c:191) > [ 1789.278327] write_checkpoint (fs/f2fs/checkpoint.c:875 fs/f2fs/checkpoint.c:913) > [ 1789.310911] waiting module removal not supported: please upgrade > [ 1789.278327] ? SyS_tee (fs/sync.c:77) > [ 1789.278327] ? mutex_lock_nested (arch/x86/include/asm/paravirt.h:809 kernel/locking/mutex.c:569 > kernel/locking/mutex.c:587) > [ 1789.278327] ? get_parent_ip (kernel/sched/core.c:2472) > [ 1789.278327] ? bit_waitqueue (kernel/sched/wait.c:291) > [ 1789.278327] ? SyS_tee (fs/sync.c:77) > [ 1789.278327] f2fs_sync_fs (fs/f2fs/super.c:456) > [ 1789.278327] sync_fs_one_sb (fs/sync.c:80) > [ 1789.278327] iterate_supers (fs/super.c:512) > [ 1789.278327] sys_sync (fs/sync.c:110) > [ 1789.278327] tracesys (arch/x86/kernel/entry_64.S:749) > [ 1789.278327] Code: 48 c1 e0 04 48 8d 9c 07 f0 00 00 00 49 8b 45 38 41 8b 8d d0 06 00 00 8b 50 78 8b 80 > 84 00 00 00 d3 e0 41 39 d6 8d 44 02 ff 73 09 <0f> 0b 0f 1f 80 00 00 00 00 41 39 c6 76 03 0f 0b 90 48 8d > 43 20 > [ 1789.278327] RIP f2fs_submit_page_mbio (fs/f2fs/segment.h:543 fs/f2fs/data.c:181) > [ 1789.278327] RSP <ffff880329c3fc08> > > > Thanks, > Sasha > > ------------------------------------------------------------------------------ > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: f2fs: kernel BUG at fs/f2fs/segment.h:543 2014-04-09 15:51 ` Chao Yu @ 2014-04-09 15:57 ` Sasha Levin 0 siblings, 0 replies; 6+ messages in thread From: Sasha Levin @ 2014-04-09 15:57 UTC (permalink / raw) To: Chao Yu, jaegeuk.kim Cc: 'Dave Jones', 'LKML', linux-f2fs-devel On 04/09/2014 11:51 AM, Chao Yu wrote: > Hi Levin, > > Could you share dump code info like following one which can be generated > by 'objdump -Dl f2fs.ko > obj'. > It may help us to get a clue for this problem. > > verify_block_addr() > segment.h:543 (discriminator 3) > 2f35: 39 55 ec cmp %edx,-0x14(%ebp) > segment.h:542 (discriminator 3) > 2f38: 8d 44 02 ff lea -0x1(%edx,%eax,1),%eax > segment.h:543 (discriminator 3) > 2f3c: 0f 82 dc 01 00 00 jb 311e <f2fs_submit_page_mbio+0x22e> > segment.h:544 > 2f42: 39 45 ec cmp %eax,-0x14(%ebp) > 2f45: 0f 87 d1 01 00 00 ja 311c <f2fs_submit_page_mbio+0x22c> verify_block_addr(): /home/sasha/linux-next/fs/f2fs/data.c:1079 (discriminator 3) f710: 49 8b 45 38 mov 0x38(%r13),%rax /home/sasha/linux-next/fs/f2fs/segment.h:540 (discriminator 3) f714: 41 8b 8d d0 06 00 00 mov 0x6d0(%r13),%ecx /home/sasha/linux-next/fs/f2fs/segment.h:541 (discriminator 3) f71b: 44 8b 40 78 mov 0x78(%rax),%r8d /home/sasha/linux-next/fs/f2fs/segment.h:540 (discriminator 3) f71f: 8b 80 84 00 00 00 mov 0x84(%rax),%eax f725: d3 e0 shl %cl,%eax /home/sasha/linux-next/fs/f2fs/segment.h:543 (discriminator 3) f727: 45 39 c6 cmp %r8d,%r14d /home/sasha/linux-next/fs/f2fs/segment.h:542 (discriminator 3) f72a: 45 8d 4c 00 ff lea -0x1(%r8,%rax,1),%r9d /home/sasha/linux-next/fs/f2fs/segment.h:543 (discriminator 3) f72f: 73 1f jae f750 <f2fs_submit_page_mbio+0xa0> /home/sasha/linux-next/fs/f2fs/segment.h:544 f731: 49 8b 7d 00 mov 0x0(%r13),%rdi f735: 44 89 f1 mov %r14d,%ecx f738: 48 c7 c2 00 00 00 00 mov $0x0,%rdx f73f: 48 c7 c6 00 00 00 00 mov $0x0,%rsi f746: 31 c0 xor %eax,%eax f748: e8 00 00 00 00 callq f74d <f2fs_submit_page_mbio+0x9d> /home/sasha/linux-next/fs/f2fs/segment.h:547 f74d: 0f 0b ud2 f74f: 90 nop /home/sasha/linux-next/fs/f2fs/segment.h:550 f750: 45 39 ce cmp %r9d,%r14d f753: 76 0b jbe f760 <f2fs_submit_page_mbio+0xb0> f755: 0f 0b ud2 f757: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) f75e: 00 00 Thanks, Sasha ------------------------------------------------------------------------------ Put Bad Developers to Shame Dominate Development with Jenkins Continuous Integration Continuously Automate Build, Test & Deployment Start a new project now. Try Jenkins in the cloud. http://p.sf.net/sfu/13600_Cloudbees ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2014-04-09 15:57 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2014-04-05 15:12 f2fs: kernel BUG at fs/f2fs/segment.h:543 Sasha Levin 2014-04-07 1:20 ` Jaegeuk Kim 2014-04-07 1:55 ` Sasha Levin 2014-04-07 3:40 ` Jaegeuk Kim 2014-04-09 15:51 ` Chao Yu 2014-04-09 15:57 ` Sasha Levin
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