syzbot


kernel BUG in lbmIODone

Status: upstream: reported on 2021/12/16 12:31
Reported-by: syzbot+52ddb6c83a04ca55f975@syzkaller.appspotmail.com
First crash: 204d, last: 10d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at fs/jfs/jfs_logmgr.c:LINE! 5 471d 591d 0/22 auto-closed as invalid on 2021/07/18 05:20
linux-4.14 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! 17 437d 650d 0/1 auto-closed as invalid on 2021/08/21 07:16
linux-4.14 kernel BUG in lbmIODone 4 14d 170d 0/1 upstream: reported on 2022/01/15 01:14
linux-4.19 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! 78 1d00h 600d 0/1 upstream: reported on 2020/11/11 09:07

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 5.19.0-rc3-syzkaller-00146-g92f20ff72066 #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:2298
Code: ad 24 8c f8 eb d3 e8 b6 5e 3f f8 48 c7 c1 a0 63 09 8a ba fa 08 00 00 48 c7 c6 e0 61 09 8a 48 c7 c7 20 62 09 8a e8 66 a0 f7 ff <0f> 0b e8 90 5e 3f f8 48 c7 c1 e0 63 09 8a ba fb 08 00 00 48 c7 c6
RSP: 0018:ffffc90000147c90 EFLAGS: 00010082
RAX: 000000000000003f RBX: ffff88807fb62b00 RCX: 0000000000000000
RDX: ffff888011a83b00 RSI: ffffffff8160dd68 RDI: fffff52000028f84
RBP: 0000000000000020 R08: 000000000000003f R09: 0000000000000000
R10: 0000000080000101 R11: 6228747265737361 R12: 0000000000000246
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555574e708 CR3: 000000005b97b000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 bio_endio+0x5fe/0x780 block/bio.c:1574
 req_bio_endio block/blk-mq.c:689 [inline]
 blk_update_request+0x401/0x1310 block/blk-mq.c:818
 blk_mq_end_request+0x4b/0x80 block/blk-mq.c:944
 lo_complete_rq+0x1c2/0x280 drivers/block/loop.c:370
 blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1015
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:571
 run_ksoftirqd kernel/softirq.c:934 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lbmIODone.cold+0xc9/0x116 fs/jfs/jfs_logmgr.c:2298
Code: ad 24 8c f8 eb d3 e8 b6 5e 3f f8 48 c7 c1 a0 63 09 8a ba fa 08 00 00 48 c7 c6 e0 61 09 8a 48 c7 c7 20 62 09 8a e8 66 a0 f7 ff <0f> 0b e8 90 5e 3f f8 48 c7 c1 e0 63 09 8a ba fb 08 00 00 48 c7 c6
RSP: 0018:ffffc90000147c90 EFLAGS: 00010082
RAX: 000000000000003f RBX: ffff88807fb62b00 RCX: 0000000000000000
RDX: ffff888011a83b00 RSI: ffffffff8160dd68 RDI: fffff52000028f84
RBP: 0000000000000020 R08: 000000000000003f R09: 0000000000000000
R10: 0000000080000101 R11: 6228747265737361 R12: 0000000000000246
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555574e708 CR3: 000000005b97b000 CR4: 0000000000350ef0

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2022/06/24 08:59 upstream 92f20ff72066 a5dbd430 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-root 2022/06/23 21:32 upstream de5c208d533a 912f5df7 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-root 2022/05/24 16:51 upstream 143a6252e1b8 fcfad4ff .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-root 2022/05/10 19:38 upstream feb9c5e19e91 8b277b8e .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-root 2022/04/26 19:17 upstream d615b5416f8a 1fa34c1b .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-root 2022/01/23 20:56 upstream dd81e1c7d5fb 214351e1 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-root 2022/01/21 19:01 upstream 9b57f4589857 214351e1 .config log report info kernel BUG in lbmIODone
ci-qemu-upstream 2022/01/11 00:24 upstream 133d9c53c9dc ddb0ab8c .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-selinux-root 2021/12/31 14:58 upstream 4f3d93c6eaff 36bd2e48 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-selinux-root 2021/12/18 05:28 upstream 9eaa88c7036e 44068e19 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-selinux-root 2021/12/12 11:53 upstream a763d5a5abd6 49ca1f59 .config log report info kernel BUG in lbmIODone
ci-qemu-upstream-386 2022/03/29 14:08 upstream 1930a6e739c4 6bdac766 .config log report info kernel BUG in lbmIODone