syzbot


kernel BUG at fs/jfs/jfs_logmgr.c:LINE!

Status: auto-closed as invalid on 2021/07/18 05:20
Subsystems: jfs
[Documentation on labels]
Reported-by: syzbot+889fbbf5a2eb77be373f@syzkaller.appspotmail.com
First crash: 1217d, last: 1094d
Discussions (1)
Title Replies (including bot) Last reply
kernel BUG at fs/jfs/jfs_logmgr.c:LINE! 0 (1) 2020/11/20 15:15
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in lbmIODone 1 311d 311d 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 1060d 1273d 0/1 auto-closed as invalid on 2021/08/21 07:16
linux-6.1 kernel BUG in lbmIODone 1 221d 221d 0/3 auto-obsoleted due to no activity on 2023/11/18 07:18
linux-5.15 kernel BUG in lbmIODone (2) 1 133d 133d 0/3 auto-obsoleted due to no activity on 2024/02/15 02:05
linux-4.14 kernel BUG in lbmIODone jfs syz 13 391d 794d 0/1 upstream: reported syz repro on 2022/01/15 01:14
linux-4.19 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! jfs syz 130 386d 1223d 0/1 upstream: reported syz repro on 2020/11/11 09:07
upstream kernel BUG in lbmIODone jfs C error 88 1d14h 823d 0/26 upstream: reported C repro on 2021/12/16 12:31

Sample crash report:
BUG at fs/jfs/jfs_logmgr.c:2312 assert(bp->l_flag & lbmRELEASE)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_logmgr.c:2312!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lbmIODone.cold+0xc9/0x116 fs/jfs/jfs_logmgr.c:2312
Code: a3 b5 ea f8 eb d3 e8 bc 22 a7 f8 48 c7 c1 c0 7a a4 89 ba 08 09 00 00 48 c7 c6 00 79 a4 89 48 c7 c7 40 79 a4 89 e8 ac d8 f8 ff <0f> 0b e8 96 22 a7 f8 48 c7 c1 00 7b a4 89 ba 09 09 00 00 48 c7 c6
RSP: 0018:ffffc90000d27c48 EFLAGS: 00010086
RAX: 000000000000003f RBX: ffff8880183a8e00 RCX: 0000000000000000
RDX: ffff8880115b8000 RSI: ffffffff815c4985 RDI: fffff520001a4f7b
RBP: 0000000000000020 R08: 000000000000003f R09: 0000000000000000
R10: ffffffff815bd71e R11: 0000000000000000 R12: 0000000000000246
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01735f000 CR3: 000000006b33c000 CR4: 0000000000350ef0
Call Trace:
 bio_endio+0x3f4/0x800 block/bio.c:1436
 req_bio_endio block/blk-core.c:265 [inline]
 blk_update_request+0x68b/0x1480 block/blk-core.c:1456
 blk_mq_end_request+0x4c/0x510 block/blk-mq.c:564
 lo_complete_rq+0x20d/0x2d0 drivers/block/loop.c:497
 blk_complete_reqs+0x9d/0xd0 block/blk-mq.c:576
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 run_ksoftirqd kernel/softirq.c:652 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:644
 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:165
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace 868cc82069d7c4a8 ]---
RIP: 0010:lbmIODone.cold+0xc9/0x116 fs/jfs/jfs_logmgr.c:2312
Code: a3 b5 ea f8 eb d3 e8 bc 22 a7 f8 48 c7 c1 c0 7a a4 89 ba 08 09 00 00 48 c7 c6 00 79 a4 89 48 c7 c7 40 79 a4 89 e8 ac d8 f8 ff <0f> 0b e8 96 22 a7 f8 48 c7 c1 00 7b a4 89 ba 09 09 00 00 48 c7 c6
RSP: 0018:ffffc90000d27c48 EFLAGS: 00010086
RAX: 000000000000003f RBX: ffff8880183a8e00 RCX: 0000000000000000
RDX: ffff8880115b8000 RSI: ffffffff815c4985 RDI: fffff520001a4f7b
RBP: 0000000000000020 R08: 000000000000003f R09: 0000000000000000
R10: ffffffff815bd71e R11: 0000000000000000 R12: 0000000000000246
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01735f000 CR3: 000000006b33c000 CR4: 0000000000350ef0

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/03/20 05:19 upstream 1c273e10bc0c 3d01c4de .config console log report info ci-upstream-kasan-gce-root kernel BUG in lbmIODone
2021/03/10 01:31 upstream 144c79ef3353 26967e35 .config console log report info ci-upstream-kasan-gce-root kernel BUG in lbmIODone
2021/01/26 14:43 upstream 13391c60da33 52e37319 .config console log report info ci-upstream-kasan-gce-smack-root kernel BUG in lbmIODone
2020/12/31 16:58 upstream f6e1ea196492 79264ae3 .config console log report info ci-upstream-kasan-gce-root
2020/11/17 21:11 upstream 111e91a6df50 7eca15bf .config console log report info ci-qemu-upstream
* Struck through repros no longer work on HEAD.