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BUG: corrupted list in xlog_cil_commit

Status: upstream: reported on 2024/06/01 11:12
Subsystems: xfs
[Documentation on labels]
Reported-by: syzbot+ea15576a86ef3f03216a@syzkaller.appspotmail.com
First crash: 25d, last: 2d04h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [xfs?] BUG: corrupted list in xlog_cil_commit 0 (1) 2024/06/01 11:12
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 KASAN: null-ptr-deref Write in xlog_cil_commit origin:lts-only C done 662 31d 462d 0/3 upstream: reported C repro on 2023/03/10 01:55

Sample crash report:
XFS (loop0): Unmounting Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791
list_add corruption. prev->next should be next (ffffe8ffad135d90), but was 135d93ffffe8ffad. (prev=ffffe8ffad135d93).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:32!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 PID: 5860 Comm: syz-executor.0 Not tainted 6.10.0-rc3-syzkaller-00021-g2ef5971ff345 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: e9 fc 90 0f 0b 48 89 d9 48 c7 c7 60 c4 8f 8b e8 b8 3f e9 fc 90 0f 0b 48 89 f1 48 c7 c7 e0 c4 8f 8b 48 89 de e8 a3 3f e9 fc 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 60 c5 8f 8b e8 8b 3f e9
RSP: 0018:ffffc90002af7960 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffe8ffad135d90 RCX: ffffffff816f41b9
RDX: 0000000000000000 RSI: ffffffff816fcdb6 RDI: 0000000000000005
RBP: ffff88804b52c458 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffffe8ffad135d93
R13: ffff88804b52c3f0 R14: ffff88804b52c458 R15: ffffe8ffad135d78
FS:  0000000000000000(0000) GS:ffff88802c100000(0063) knlGS:0000000058267400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000005824204c CR3: 000000005994c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 xlog_cil_insert_items fs/xfs/xfs_log_cil.c:675 [inline]
 xlog_cil_commit+0x125b/0x32d0 fs/xfs/xfs_log_cil.c:1593
 __xfs_trans_commit+0x346/0xe90 fs/xfs/xfs_trans.c:1020
 xfs_sync_sb+0x112/0x160 fs/xfs/libxfs/xfs_sb.c:1080
 xfs_log_cover fs/xfs/xfs_log.c:1266 [inline]
 xfs_log_quiesce+0x1fa/0x2c0 fs/xfs/xfs_log.c:1075
 xfs_log_clean fs/xfs/xfs_log.c:1082 [inline]
 xfs_log_unmount+0x22/0x270 fs/xfs/xfs_log.c:1097
 xfs_unmountfs+0x10d/0x250 fs/xfs/xfs_mount.c:1120
 xfs_fs_put_super+0x61/0x110 fs/xfs/xfs_super.c:1145
 generic_shutdown_super+0x159/0x3d0 fs/super.c:642
 kill_block_super+0x3b/0x90 fs/super.c:1676
 xfs_kill_sb+0x15/0x50 fs/xfs/xfs_super.c:2045
 deactivate_locked_super+0xbe/0x1a0 fs/super.c:473
 deactivate_super+0xde/0x100 fs/super.c:506
 cleanup_mnt+0x222/0x450 fs/namespace.c:1267
 task_work_run+0x14e/0x250 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
 __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7294579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ffabc678 EFLAGS: 00000292 ORIG_RAX: 0000000000000034
RAX: 0000000000000000 RBX: 00000000ffabc720 RCX: 0000000000000009
RDX: 00000000f73eaff4 RSI: 00000000f733b361 RDI: 00000000ffabd7c4
RBP: 00000000ffabc720 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: e9 fc 90 0f 0b 48 89 d9 48 c7 c7 60 c4 8f 8b e8 b8 3f e9 fc 90 0f 0b 48 89 f1 48 c7 c7 e0 c4 8f 8b 48 89 de e8 a3 3f e9 fc 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 60 c5 8f 8b e8 8b 3f e9
RSP: 0018:ffffc90002af7960 EFLAGS: 00010282
RAX: 0000000000000075 RBX: ffffe8ffad135d90 RCX: ffffffff816f41b9
RDX: 0000000000000000 RSI: ffffffff816fcdb6 RDI: 0000000000000005
RBP: ffff88804b52c458 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffffe8ffad135d93
R13: ffff88804b52c3f0 R14: ffff88804b52c458 R15: ffffe8ffad135d78
FS:  0000000000000000(0000) GS:ffff88802c100000(0063) knlGS:0000000058267400
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000005824204c CR3: 000000005994c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/12 09:01 upstream 2ef5971ff345 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in xlog_cil_commit
2024/06/01 11:11 upstream cc8ed4d0a848 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in xlog_cil_commit
2024/05/27 04:12 upstream 1613e604df0c c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in xlog_cil_commit
2024/05/24 13:11 upstream 6d69b6c12fce c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in xlog_cil_commit
2024/05/21 10:29 upstream 8f6a15f095a6 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in xlog_cil_commit
2024/05/19 21:37 upstream 0450d2083be6 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: corrupted list in xlog_cil_commit
* Struck through repros no longer work on HEAD.