syzbot


kernel BUG in gfs2_glock_nq

Status: auto-closed as invalid on 2022/05/17 22:53
Reported-by: syzbot+0e432080099928fe31e5@syzkaller.appspotmail.com
First crash: 204d, last: 160d
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 kernel BUG in gfs2_glock_nq 1 440d 440d 0/1 auto-closed as invalid on 2021/08/11 04:31
linux-4.19 kernel BUG in gfs2_glock_nq (2) syz 10 17d 286d 0/1 upstream: reported syz repro on 2021/09/14 01:12
upstream kernel BUG in gfs2_glock_nq 2 215d 204d 0/22 auto-closed as invalid on 2022/03/23 19:53
linux-4.14 kernel BUG in gfs2_glock_nq (2) 1 31d 31d 0/1 upstream: reported on 2022/05/26 14:43
linux-4.14 kernel BUG at fs/gfs2/glock.c:LINE! 3 515d 587d 0/1 auto-closed as invalid on 2021/05/27 07:56
linux-4.19 kernel BUG at fs/gfs2/glock.c:LINE! 2 583d 617d 0/1 auto-closed as invalid on 2021/03/20 05:06

Sample crash report:
gfs2: pid: 9787
gfs2: lock type: 8 req lock state : 1
gfs2: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20
gfs2:  H: s:EX f:cH e:0 p:9787 [gfs2_quotad] gfs2_glock_nq_init fs/gfs2/glock.h:226 [inline]
gfs2:  H: s:EX f:cH e:0 p:9787 [gfs2_quotad] do_sync+0x3f0/0xba0 fs/gfs2/quota.c:893
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1082!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 9787 Comm: gfs2_quotad Not tainted 4.14.262-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809d40c200 task.stack: ffff88804ed00000
RIP: 0010:add_to_queue fs/gfs2/glock.c:1082 [inline]
RIP: 0010:gfs2_glock_nq.cold+0x279/0x2d0 fs/gfs2/glock.c:1107
RSP: 0018:ffff88804ed07b68 EFLAGS: 00010296
RAX: ffffed1009da0f4e RBX: ffff88809c90e000 RCX: 1ffff11013a81960
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff87c0c390
RBP: 000000000000263b R08: 0000000000000040 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809ed4f4b8
R13: ffff88809c90e000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f40cfd73758 CR3: 0000000008e6a000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 gfs2_glock_nq_init fs/gfs2/glock.h:228 [inline]
 do_sync+0x3f8/0xba0 fs/gfs2/quota.c:893
 gfs2_quota_sync+0x4f1/0x690 fs/gfs2/quota.c:1299
 quotad_check_timeo fs/gfs2/quota.c:1489 [inline]
 quotad_check_timeo fs/gfs2/quota.c:1483 [inline]
 gfs2_quotad+0x23f/0x810 fs/gfs2/quota.c:1554
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: c1 ea 03 0f b6 04 02 84 c0 74 04 3c 03 7e 6c 8b 73 18 44 89 f2 48 c7 c7 60 a1 c0 87 e8 97 86 f9 ff 4c 89 ee 31 ff e8 fe 01 b1 fb <0f> 0b e8 47 fb 75 fa 4c 8b 04 24 e9 ac fd ff ff 31 ed e9 14 fe 
RIP: add_to_queue fs/gfs2/glock.c:1082 [inline] RSP: ffff88804ed07b68
RIP: gfs2_glock_nq.cold+0x279/0x2d0 fs/gfs2/glock.c:1107 RSP: ffff88804ed07b68
---[ end trace ded089ff8296031b ]---

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2022/01/17 22:53 linux-4.14.y 4ba8e26127c3 731a2d23 .config log report info kernel BUG in gfs2_glock_nq
ci2-linux-4-14 2021/12/05 02:33 linux-4.14.y 66722c42ec91 a617004c .config log report info kernel BUG in gfs2_glock_nq