syzbot


kernel BUG in lbmIODone (2)

Status: upstream: reported on 2025/02/11 00:27
Subsystems: jfs
[Documentation on labels]
Reported-by: syzbot+856d1897cd91a6a435c9@syzkaller.appspotmail.com
First crash: 14d, last: 14d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [jfs?] kernel BUG in lbmIODone (2) 0 (1) 2025/02/11 00:27
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 1433d 1553d 0/28 auto-closed as invalid on 2021/07/18 05:20
linux-5.15 kernel BUG in lbmIODone 1 650d 650d 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 1399d 1612d 0/1 auto-closed as invalid on 2021/08/21 07:16
linux-6.1 kernel BUG in lbmIODone 1 560d 560d 0/3 auto-obsoleted due to no activity on 2023/11/18 07:18
linux-6.1 kernel BUG in lbmIODone (2) 1 329d 329d 0/3 auto-obsoleted due to no activity on 2024/07/06 10:22
linux-5.15 kernel BUG in lbmIODone (2) 1 472d 472d 0/3 auto-obsoleted due to no activity on 2024/02/15 02:05
linux-4.14 kernel BUG in lbmIODone jfs syz 13 730d 1133d 0/1 upstream: reported syz repro on 2022/01/15 01:14
linux-6.1 kernel BUG in lbmIODone (3) 1 41d 41d 0/3 upstream: reported on 2025/01/11 03:59
linux-4.19 kernel BUG at fs/jfs/jfs_logmgr.c:LINE! jfs syz 130 725d 1562d 0/1 upstream: reported syz repro on 2020/11/11 09:07
linux-5.15 kernel BUG in lbmIODone (3) 1 300d 300d 0/3 auto-obsoleted due to no activity on 2024/08/04 15:04
upstream kernel BUG in lbmIODone jfs C error error 135 202d 1162d 0/28 auto-obsoleted due to no activity on 2024/11/10 13:25

Sample crash report:
BUG at fs/jfs/jfs_logmgr.c:2303 assert(bp->l_flag & lbmRELEASE)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_logmgr.c:2303!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.14.0-rc1-syzkaller-g2014c95afece #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : lbmIODone+0x12c4/0x1318 fs/jfs/jfs_logmgr.c:2303
lr : lbmIODone+0x12c4/0x1318 fs/jfs/jfs_logmgr.c:2303
sp : ffff800097d778f0
x29: ffff800097d77980 x28: 1fffe0001b405141 x27: 1ffff00012037934
x26: 1fffe0001e20724f x25: dfff800000000000 x24: 0000000000000000
x23: ffff0000da028a08 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000020 x19: ffff0000da028a00 x18: 0000000000000008
x17: 0000000000000000 x16: ffff8000832d977c x15: 0000000000000001
x14: 1ffff00012faee78 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000102 x10: 0000000000ff0100 x9 : ac6013805dc83c00
x8 : ac6013805dc83c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800097d770b8 x4 : ffff80008fcbefc0 x3 : ffff800083275f78
x2 : 0000000000000001 x1 : 0000000100000101 x0 : 000000000000003f
Call trace:
 lbmIODone+0x12c4/0x1318 fs/jfs/jfs_logmgr.c:2303 (P)
 bio_endio+0x840/0x87c block/bio.c:1548
 blk_update_request+0x4ac/0xda0 block/blk-mq.c:983
 blk_mq_end_request+0x54/0x88 block/blk-mq.c:1145
 lo_complete_rq+0x188/0x2f4 drivers/block/loop.c:395
 blk_complete_reqs block/blk-mq.c:1220 [inline]
 blk_done_softirq+0x11c/0x168 block/blk-mq.c:1225
 handle_softirqs+0x320/0xd34 kernel/softirq.c:561
 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:950
 smpboot_thread_fn+0x4b0/0x90c kernel/smpboot.c:164
 kthread+0x65c/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
Code: d004fd63 91188063 52811fe2 979153a6 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/02/07 00:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2014c95afece 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in lbmIODone
* Struck through repros no longer work on HEAD.