syzbot


kernel BUG in txAbort

Status: upstream: reported on 2024/04/28 14:11
Reported-by: syzbot+dccc2d773ba9904db8ea@syzkaller.appspotmail.com
First crash: 45d, last: 43d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in txAbort 1 384d 384d 0/3 auto-obsoleted due to no activity on 2023/09/01 20:47
linux-6.1 kernel BUG in txAbort (2) 4 15d 53d 0/3 upstream: reported on 2024/04/20 09:23
upstream kernel BUG in txUnlock jfs C error 4022 40m 620d 0/28 upstream: reported C repro on 2022/10/01 14:27

Sample crash report:
BUG at fs/jfs/jfs_txnmgr.c:2829 assert(mp->nohomeok)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:2829!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5726 Comm: syz-executor.0 Not tainted 5.15.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2829 [inline]
RIP: 0010:txAbort+0x5d3/0x5e0 fs/jfs/jfs_txnmgr.c:2655
Code: 93 4f 36 07 0f 0b e8 9c 09 9a fe 48 c7 c7 00 71 c1 8a 48 c7 c6 f9 6c c1 8a ba 0d 0b 00 00 48 c7 c1 c0 82 c1 8a e8 6d 4f 36 07 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc900032473d0 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 0000000000000012 RCX: 78023d9f1a14e000
RDX: ffffc90002f49000 RSI: 000000000000594f RDI: 0000000000005950
RBP: 0000000000000000 R08: ffffffff8166862c R09: fffffbfff1f7ee56
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000284a000
R13: ffff88805ff6a2e8 R14: dffffc0000000000 R15: 0000000000000002
FS:  00007f67876bc6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67891d4f4e CR3: 0000000061462000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 txCommit+0x5d4d/0x6ba0 fs/jfs/jfs_txnmgr.c:1354
 jfs_create+0x98a/0xbb0 fs/jfs/namei.c:156
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x130a/0x2f20 fs/namei.c:3739
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x500 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6789149ea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f67876bc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6789277f80 RCX: 00007f6789149ea9
RDX: 000000000000275a RSI: 0000000020000100 RDI: ffffffffffffff9c
RBP: 00007f67891964a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6789277f80 R15: 00007ffc4c468458
 </TASK>
Modules linked in:
---[ end trace 99dfb474a2cc3023 ]---
RIP: 0010:LogSyncRelease fs/jfs/jfs_txnmgr.c:2829 [inline]
RIP: 0010:txAbort+0x5d3/0x5e0 fs/jfs/jfs_txnmgr.c:2655
Code: 93 4f 36 07 0f 0b e8 9c 09 9a fe 48 c7 c7 00 71 c1 8a 48 c7 c6 f9 6c c1 8a ba 0d 0b 00 00 48 c7 c1 c0 82 c1 8a e8 6d 4f 36 07 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc900032473d0 EFLAGS: 00010246
RAX: 0000000000000034 RBX: 0000000000000012 RCX: 78023d9f1a14e000
RDX: ffffc90002f49000 RSI: 000000000000594f RDI: 0000000000005950
RBP: 0000000000000000 R08: ffffffff8166862c R09: fffffbfff1f7ee56
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000284a000
R13: ffff88805ff6a2e8 R14: dffffc0000000000 R15: 0000000000000002
FS:  00007f67876bc6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f22a000 CR3: 0000000061462000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/29 19:06 linux-5.15.y b925f60c6ee7 27e33c58 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txAbort
2024/04/28 14:10 linux-5.15.y b925f60c6ee7 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txAbort
* Struck through repros no longer work on HEAD.