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: 328d, last: 2d15h
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2023/06/04 upstream (ToT) e5282a7d8f6b C [report] kernel BUG in txUnlock
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 447d 489d 0/1 upstream: reported C repro on 2022/12/24 18:38
upstream kernel BUG in txUnlock jfs C error 1231 43m 573d 0/26 upstream: reported C repro on 2022/10/01 14:27
linux-6.1 kernel BUG in txUnlock origin:upstream C 41 16h56m 328d 0/3 upstream: reported C repro on 2023/06/04 03:57
linux-4.14 kernel BUG in txUnlock jfs C 2 419d 481d 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!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 234 Comm: jfsCommit Not tainted 5.15.155-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : txUnlock+0xb84/0xbb0 fs/jfs/jfs_txnmgr.c:931
lr : txUnlock+0xb84/0xbb0 fs/jfs/jfs_txnmgr.c:931
sp : ffff80001af17be0
x29: ffff80001af17c60 x28: dfff800000000000 x27: ffff800018583c78
x26: ffff800018583000 x25: ffff800018583c24 x24: ffff800018583000
x23: ffff80001c222000 x22: 0000000000000000 x21: 0000000000000048
x20: 0000000000001000 x19: ffff0000db3fa000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011997230 x15: 00000000ffffffff
x14: ffff0000c6901b40 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : d279203fab4ac900
x8 : d279203fab4ac900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001af17358 x4 : ffff800014a1f7c0 x3 : ffff80000a975b00
x2 : ffff0001b480cd10 x1 : 0000000100000000 x0 : 0000000000000037
Call trace:
 txUnlock+0xb84/0xbb0 fs/jfs/jfs_txnmgr.c:931
 txLazyCommit fs/jfs/jfs_txnmgr.c:2716 [inline]
 jfs_lazycommit+0x4a0/0xa40 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
Code: d00429c3 91218063 52807462 9598320a (d4210000) 
---[ end trace 3d8812a5ce4b4945 ]---

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/04/24 21:02 linux-5.15.y c52b9710c83d 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2024/04/24 20:39 linux-5.15.y c52b9710c83d 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2024/04/24 20:39 linux-5.15.y c52b9710c83d 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2024/04/21 19:11 linux-5.15.y c52b9710c83d af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2023/12/06 10:43 linux-5.15.y 9b91d36ba301 858d62d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan kernel BUG in txUnlock
2024/04/15 20:46 linux-5.15.y fa3df276cd36 b9af7e61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in txUnlock
2024/04/15 20:44 linux-5.15.y fa3df276cd36 b9af7e61 .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.