syzbot


kernel BUG in lbmIODone

Status: upstream: reported syz repro on 2021/12/16 12:31
Reported-by: syzbot+52ddb6c83a04ca55f975@syzkaller.appspotmail.com
First crash: 359d, last: 6d13h
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 627d 746d 0/24 auto-closed as invalid on 2021/07/18 05:20
linux-4.14 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! 17 592d 805d 0/1 auto-closed as invalid on 2021/08/21 07:16
linux-4.14 kernel BUG in lbmIODone syz 9 10h00m 326d 0/1 upstream: reported syz repro on 2022/01/15 01:14
linux-4.19 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! syz 115 1d21h 755d 0/1 upstream: reported syz repro 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!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : lbmIODone+0x2ec/0x340 fs/jfs/jfs_logmgr.c:2298
lr : lbmIODone+0x2ec/0x340 fs/jfs/jfs_logmgr.c:2298
sp : ffff80000f22bc20
x29: ffff80000f22bc20 x28: ffff80000d2609e0 x27: 000000000000000a
x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000020
x23: 0000000000000000 x22: ffff0000d0968c00 x21: 0000000000000020
x20: 0000000000000000 x19: ffff0000d0b7d600 x18: 00000000000000c0
x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c02d9a80
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c02d9a80
x11: ff808000081c0d5c x10: 0000000000000000 x9 : f6a2b00d81307a00
x8 : f6a2b00d81307a00 x7 : ffff80000819545c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0001fefbecd0 x1 : 0000000100000101 x0 : 000000000000003f
Call trace:
 lbmIODone+0x2ec/0x340 fs/jfs/jfs_logmgr.c:2298
 bio_endio+0x28c/0x2d8 block/bio.c:1564
 req_bio_endio block/blk-mq.c:695 [inline]
 blk_update_request+0x25c/0x570 block/blk-mq.c:825
 blk_mq_end_request+0x2c/0x58 block/blk-mq.c:951
 lo_complete_rq+0xb8/0x138 drivers/block/loop.c:370
 blk_complete_reqs block/blk-mq.c:1022 [inline]
 blk_done_softirq+0x70/0xa0 block/blk-mq.c:1027
 _stext+0x168/0x37c
 run_ksoftirqd+0x4c/0x21c kernel/softirq.c:934
 smpboot_thread_fn+0x248/0x3e4 kernel/smpboot.c:164
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Code: 9137e821 91101063 52811f42 94c93ef6 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (20):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-gce-arm64 2022/10/02 18:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 feb56351 .config log report syz kernel BUG in lbmIODone
ci-upstream-kasan-gce-selinux-root 2022/11/02 01:46 upstream b229b6ca5abb edac4fd1 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-smack-root 2022/10/18 09:34 upstream 55be6084c8e0 754863b4 .config log report info kernel BUG in lbmIODone
ci-upstream-kasan-gce-selinux-root 2022/08/27 11:49 upstream 3e5c673f0d75 07177916 .config log report info kernel BUG in lbmIODone
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
ci-upstream-linux-next-kasan-gce-root 2022/11/30 16:35 linux-next 9e46a7996732 4c2a66e8 .config log report info kernel BUG in lbmIODone
ci-upstream-linux-next-kasan-gce-root 2022/11/16 21:38 linux-next 15f3bff12cf6 3a127a31 .config log report info kernel BUG in lbmIODone
ci-upstream-linux-next-kasan-gce-root 2022/07/31 20:00 linux-next cb71b93c2dc3 fef302b1 .config log report info kernel BUG in lbmIODone
ci-upstream-gce-arm64 2022/10/09 01:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci bbed346d5a96 aea5da89 .config log report info kernel BUG in lbmIODone
* Struck through repros no longer work on HEAD.