syzbot


kernel BUG in lbmIODone (3)

Status: upstream: reported on 2025/01/11 03:59
Reported-by: syzbot+66f106bb70ebd61a48bc@syzkaller.appspotmail.com
First crash: 127d, last: 11d
Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at fs/jfs/jfs_logmgr.c:LINE! jfs 5 1519d 1639d 0/28 auto-closed as invalid on 2021/07/18 05:20
linux-5.15 kernel BUG in lbmIODone 1 736d 736d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:03
linux-4.14 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! 17 1485d 1698d 0/1 auto-closed as invalid on 2021/08/21 07:16
linux-6.1 kernel BUG in lbmIODone 1 646d 646d 0/3 auto-obsoleted due to no activity on 2023/11/18 07:18
linux-6.1 kernel BUG in lbmIODone (2) 1 415d 415d 0/3 auto-obsoleted due to no activity on 2024/07/06 10:22
linux-5.15 kernel BUG in lbmIODone (2) 1 558d 558d 0/3 auto-obsoleted due to no activity on 2024/02/15 02:05
linux-4.14 kernel BUG in lbmIODone jfs syz 13 816d 1219d 0/1 upstream: reported syz repro on 2022/01/15 01:14
upstream kernel BUG in lbmIODone (2) jfs 1 100d 96d 0/28 auto-obsoleted due to no activity on 2025/05/18 00:22
linux-4.19 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! jfs syz 130 811d 1648d 0/1 upstream: reported syz repro on 2020/11/11 09:07
linux-5.15 kernel BUG in lbmIODone (3) 1 386d 386d 0/3 auto-obsoleted due to no activity on 2024/08/04 15:04
upstream kernel BUG in lbmIODone jfs C error error 135 288d 1248d 0/28 auto-obsoleted due to no activity on 2024/11/10 13:25

Sample crash report:
BUG at fs/jfs/jfs_logmgr.c:2298 assert(bp->l_flag & lbmRELEASE)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_logmgr.c:2298!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.137-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:lbmIODone+0x1622/0x1670 fs/jfs/jfs_logmgr.c:2298
Code: 94 7c 15 07 0f 0b e8 8d 3a 92 fe 48 c7 c7 20 46 a6 8a 48 c7 c6 20 41 a6 8a ba fa 08 00 00 48 c7 c1 a0 4f a6 8a e8 6e 7c 15 07 <0f> 0b e8 67 3a 92 fe 48 c7 c7 20 46 a6 8a 48 c7 c6 20 41 a6 8a ba
RSP: 0000:ffffc90000147ab8 EFLAGS: 00010046
RAX: 000000000000003f RBX: 0000000000000020 RCX: 78f6bc68996b8800
RDX: 0000000000000100 RSI: 0000000080000101 RDI: 0000000000000000
RBP: ffff888055ee4108 R08: dffffc0000000000 R09: fffff52000028ef9
R10: fffff52000028ef9 R11: 1ffff92000028ef8 R12: ffff888055ee4100
R13: dffffc0000000000 R14: 0000000000000a06 R15: ffff888074b68a78
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fe063 CR3: 000000006573d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 req_bio_endio block/blk-mq.c:780 [inline]
 blk_update_request+0x593/0xe30 block/blk-mq.c:925
 blk_mq_end_request+0x3a/0x70 block/blk-mq.c:1050
 blk_complete_reqs block/blk-mq.c:1130 [inline]
 blk_done_softirq+0x100/0x150 block/blk-mq.c:1135
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:578
 run_ksoftirqd+0x98/0xf0 kernel/softirq.c:945
 smpboot_thread_fn+0x64a/0xa40 kernel/smpboot.c:164
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lbmIODone+0x1622/0x1670 fs/jfs/jfs_logmgr.c:2298
Code: 94 7c 15 07 0f 0b e8 8d 3a 92 fe 48 c7 c7 20 46 a6 8a 48 c7 c6 20 41 a6 8a ba fa 08 00 00 48 c7 c1 a0 4f a6 8a e8 6e 7c 15 07 <0f> 0b e8 67 3a 92 fe 48 c7 c7 20 46 a6 8a 48 c7 c6 20 41 a6 8a ba
RSP: 0000:ffffc90000147ab8 EFLAGS: 00010046
RAX: 000000000000003f RBX: 0000000000000020 RCX: 78f6bc68996b8800
RDX: 0000000000000100 RSI: 0000000080000101 RDI: 0000000000000000
RBP: ffff888055ee4108 R08: dffffc0000000000 R09: fffff52000028ef9
R10: fffff52000028ef9 R11: 1ffff92000028ef8 R12: ffff888055ee4100
R13: dffffc0000000000 R14: 0000000000000a06 R15: ffff888074b68a78
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2fe063 CR3: 000000006573d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/06 20:19 linux-6.1.y ac7079a42ea5 350f4ffc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in lbmIODone
2025/04/20 01:42 linux-6.1.y 420102835862 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in lbmIODone
2025/01/11 03:58 linux-6.1.y c63962be84ef 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in lbmIODone
* Struck through repros no longer work on HEAD.