syzbot


kernel BUG in txUnlock

Status: upstream: reported C repro on 2023/06/04 02:49
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+3c3866c71da45ef61201@syzkaller.appspotmail.com
First crash: 625d, last: 1d18h
Fix bisection: failed (error log, bisect log)
  
Bug presence (2)
Date Name Commit Repro Result
2024/07/29 upstream (ToT) dc1c8034e31b C [report] kernel BUG in txUnlock
2025/02/12 upstream (ToT) 09fbf3d50205 C Failed due to an error; will retry later
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG in txUnlock jfs C error 7 744d 786d 0/1 upstream: reported C repro on 2022/12/24 18:38
upstream kernel BUG in txUnlock jfs C error 18934 35m 870d 0/28 upstream: reported C repro on 2022/10/01 14:27
linux-6.1 kernel BUG in txUnlock origin:upstream C 2240 7h58m 625d 0/3 upstream: reported C repro on 2023/06/04 03:57
linux-4.14 kernel BUG in txUnlock jfs C 2 716d 778d 0/1 upstream: reported C repro on 2023/01/01 13:47

Sample crash report:
BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:931!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 276 Comm: jfsCommit Not tainted 5.15.170-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931
Code: c8 7e 4c 07 0f 0b e8 b1 ff 99 fe 48 c7 c7 40 7c c1 8a 48 c7 c6 39 78 c1 8a ba a3 03 00 00 48 c7 c1 00 87 c1 8a e8 a2 7e 4c 07 <0f> 0b e8 8b ff 99 fe 48 c7 c7 40 7c c1 8a 48 c7 c6 39 78 c1 8a ba
RSP: 0018:ffffc90002cd7d08 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000000000 RCX: 8b5d1aee60594b00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888073675ba0 R08: ffffffff81669a2c R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802ad18000
R13: ffff88802330b494 R14: ffffc9000284a000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005558294a2e88 CR3: 0000000022f39000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
 jfs_lazycommit+0x5cd/0xc30 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace 1ad77cbae54dd99c ]---
RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931
Code: c8 7e 4c 07 0f 0b e8 b1 ff 99 fe 48 c7 c7 40 7c c1 8a 48 c7 c6 39 78 c1 8a ba a3 03 00 00 48 c7 c1 00 87 c1 8a e8 a2 7e 4c 07 <0f> 0b e8 8b ff 99 fe 48 c7 c7 40 7c c1 8a 48 c7 c6 39 78 c1 8a ba
RSP: 0018:ffffc90002cd7d08 EFLAGS: 00010246
RAX: 0000000000000037 RBX: 0000000000000000 RCX: 8b5d1aee60594b00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888073675ba0 R08: ffffffff81669a2c R09: ffffed10172067a8
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802ad18000
R13: ffff88802330b494 R14: ffffc9000284a000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005558294a2e88 CR3: 0000000022f39000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1043):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/07 07:18 linux-5.15.y 72244eab0dad df3dc63b .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in txUnlock
2024/07/28 18:22 linux-5.15.y 7e89efd3ae1c 46eb10b7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/21 08:29 linux-5.15.y 4735586da88e 6e87cfa2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2024/04/15 23:23 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2023/06/04 03:22 linux-5.15.y 0ab06468cbd1 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2023/06/24 22:30 linux-5.15.y f67653019430 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/09 18:35 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/04 22:29 linux-5.15.y c16c81c81336 5896748e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/04 01:41 linux-5.15.y c16c81c81336 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/03 13:07 linux-5.15.y c16c81c81336 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/02 02:04 linux-5.15.y c16c81c81336 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/01 22:30 linux-5.15.y c16c81c81336 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/01 22:29 linux-5.15.y c16c81c81336 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/01 19:55 linux-5.15.y c16c81c81336 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/31 18:14 linux-5.15.y 003148680b79 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/30 17:22 linux-5.15.y 003148680b79 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/30 04:05 linux-5.15.y 003148680b79 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/30 04:05 linux-5.15.y 003148680b79 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/29 14:15 linux-5.15.y 003148680b79 136953f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/29 01:59 linux-5.15.y 003148680b79 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/28 14:21 linux-5.15.y 003148680b79 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/27 23:55 linux-5.15.y 003148680b79 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/27 23:53 linux-5.15.y 003148680b79 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/27 11:36 linux-5.15.y 003148680b79 d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/27 07:33 linux-5.15.y 003148680b79 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/25 05:40 linux-5.15.y 003148680b79 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/24 16:04 linux-5.15.y 003148680b79 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/23 19:53 linux-5.15.y 003148680b79 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/23 19:53 linux-5.15.y 003148680b79 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/23 13:57 linux-5.15.y 4735586da88e a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/22 16:31 linux-5.15.y 4735586da88e a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/21 18:28 linux-5.15.y 4735586da88e da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/20 17:55 linux-5.15.y 4735586da88e 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/20 10:18 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/19 19:49 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/19 16:45 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/19 07:11 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/19 04:27 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/19 03:49 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/15 23:50 linux-5.15.y 4735586da88e 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/15 05:02 linux-5.15.y 4735586da88e 7315a7cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/15 05:02 linux-5.15.y 4735586da88e 7315a7cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/14 15:24 linux-5.15.y 4735586da88e f310a27d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/14 02:24 linux-5.15.y 4735586da88e b1f1cd88 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/13 11:12 linux-5.15.y 4735586da88e 249ceea9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/01/13 07:15 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2025/02/16 12:49 linux-5.15.y c16c81c81336 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2025/02/12 08:23 linux-5.15.y c16c81c81336 f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2025/02/09 17:40 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2025/02/09 14:23 linux-5.15.y c16c81c81336 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2025/01/19 13:15 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2023/06/04 02:49 linux-5.15.y 0ab06468cbd1 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
* Struck through repros no longer work on HEAD.