syzbot


kernel BUG in txAbort (2)

Status: upstream: reported on 2024/04/20 09:23
Reported-by: syzbot+639de1efb7d0477096fa@syzkaller.appspotmail.com
First crash: 59d, last: 2d20h
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in txAbort 2 50d 51d 0/3 upstream: reported on 2024/04/28 14:11
linux-6.1 kernel BUG in txAbort 1 391d 391d 0/3 auto-obsoleted due to no activity on 2023/09/01 20:47
upstream kernel BUG in txUnlock jfs C error 4848 1h51m 626d 0/27 upstream: reported C repro on 2022/10/01 14:27

Sample crash report:
find_entry called with index = 0
read_mapping_page failed!
BUG at fs/jfs/jfs_txnmgr.c:2795 assert(mp->nohomeok)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:2795!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 8228 Comm: syz-executor.4 Not tainted 6.1.93-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : LogSyncRelease fs/jfs/jfs_txnmgr.c:2795 [inline]
pc : txAbort+0x56c/0x570 fs/jfs/jfs_txnmgr.c:2621
lr : LogSyncRelease fs/jfs/jfs_txnmgr.c:2795 [inline]
lr : txAbort+0x56c/0x570 fs/jfs/jfs_txnmgr.c:2621
sp : ffff80001e3476d0
x29: ffff80001e347700 x28: 0000000000000000 x27: ffff0000cb6887c0
x26: ffff800019a36e44 x25: 0000000000000000 x24: dfff800000000000
x23: ffff800019a37000 x22: 0000000000000006 x21: ffff800015df3d60
x20: ffff800019a37000 x19: 0000000000000048 x18: ffff80001e346d20
x17: ffff8000188df000 x16: ffff800012163b14 x15: ffff8000183c4f80
x14: 1ffff00002b0a0b0 x13: dfff800000000000 x12: 0000000000040000
x11: 000000000001bd91 x10: ffff80001f18a000 x9 : d92338034e7fac00
x8 : d92338034e7fac00 x7 : ffff80000aae4384 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000858691c
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000034
Call trace:
 LogSyncRelease fs/jfs/jfs_txnmgr.c:2795 [inline]
 txAbort+0x56c/0x570 fs/jfs/jfs_txnmgr.c:2621
 txCommit+0x496c/0x5574 fs/jfs/jfs_txnmgr.c:1354
 jfs_unlink+0x5b8/0xa20 fs/jfs/namei.c:555
 vfs_unlink+0x2f0/0x508 fs/namei.c:4324
 do_unlinkat+0x4cc/0x70c fs/namei.c:4392
 __do_sys_unlinkat fs/namei.c:4435 [inline]
 __se_sys_unlinkat fs/namei.c:4428 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4428
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 900462a3 913f8063 52815d62 95956386 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/16 07:27 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in txAbort
2024/05/27 23:51 linux-6.1.y 88690811da69 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in txAbort
2024/04/28 23:59 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in txAbort
2024/04/25 22:00 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in txAbort
2024/04/20 09:23 linux-6.1.y 6741e066ec76 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in txAbort
* Struck through repros no longer work on HEAD.