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kernel BUG in gfs2_glock_nq

Status: upstream: reported C repro on 2023/03/12 01:31
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+d9b5bfddf84d608ebd95@syzkaller.appspotmail.com
First crash: 195d, last: 26d
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/15 upstream (ToT) f1fcbaa18b28 C [report] kernel BUG in gfs2_glock_nq
▶ ▼ Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 kernel BUG in gfs2_glock_nq 2 614d 657d 0/1 auto-closed as invalid on 2022/05/17 22:53
linux-4.19 kernel BUG in gfs2_glock_nq 1 893d 893d 0/1 auto-closed as invalid on 2021/08/11 04:31
linux-4.19 kernel BUG in gfs2_glock_nq (2) gfs2 C error 52 200d 739d 0/1 upstream: reported C repro on 2021/09/14 01:12
upstream kernel BUG in gfs2_glock_nq gfs2 2 669d 658d 0/25 auto-closed as invalid on 2022/03/23 19:53
linux-4.14 kernel BUG in gfs2_glock_nq (2) gfs2 C 7 204d 485d 0/1 upstream: reported C repro on 2022/05/26 14:43
upstream kernel BUG in gfs2_glock_nq (2) gfs2 C error 644 2h35m 365d 0/25 upstream: reported C repro on 2022/09/23 06:12
linux-5.15 kernel BUG in gfs2_glock_nq origin:upstream C 20 1d02h 195d 0/3 upstream: reported C repro on 2023/03/12 21:28
linux-4.14 kernel BUG at fs/gfs2/glock.c:LINE! 3 969d 1041d 0/1 auto-closed as invalid on 2021/05/27 07:56
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/05/26 21:40 45m bisect fix linux-6.1.y job log (0) log

Sample crash report:
gfs2: fsid=syz:syz.0: original: gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318
gfs2: fsid=syz:syz.0: pid: 3630
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318
gfs2: fsid=syz:syz.0: pid: 3630
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:6 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:3630 [syz-executor192] gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1562!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3630 Comm: syz-executor192 Not tainted 6.1.22-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline]
RIP: 0010:gfs2_glock_nq+0x166f/0x18a0 fs/gfs2/glock.c:1587
Code: 2e fe 0f b7 4d 00 48 c7 c7 a0 08 30 8b 48 8b 74 24 20 89 da e8 2b 2a ca 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 d1 74 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 8c ee ff ff 48 89 df e8 88
RSP: 0018:ffffc90003c1f858 EFLAGS: 00010246
RAX: 88224514a22e1400 RBX: 0000000000000008 RCX: 1ffff92000783ebc
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88801797bc5a R08: ffffffff83b12484 R09: fffffbfff1ca4d86
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880727c2f60
R13: ffff88801797bc38 R14: ffff88801797bc30 R15: 1ffff11002f2f783
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e46f70140 CR3: 000000000cc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:264 [inline]
 do_sync+0x3c2/0xc70 fs/gfs2/quota.c:910
 gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1318
 gfs2_sync_fs+0x49/0xb0 fs/gfs2/super.c:648
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7a/0xe0 fs/super.c:1450
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x6fb/0x2300 kernel/exit.c:869
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f1e46ee99b9
Code: Unable to access opcode bytes at 0x7f1e46ee998f.
RSP: 002b:00007fffad152458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f1e46f72330 RCX: 00007f1e46ee99b9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000013420
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1e46f72330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1562 [inline]
RIP: 0010:gfs2_glock_nq+0x166f/0x18a0 fs/gfs2/glock.c:1587
Code: 2e fe 0f b7 4d 00 48 c7 c7 a0 08 30 8b 48 8b 74 24 20 89 da e8 2b 2a ca 06 31 ff 48 8b 74 24 28 ba 01 00 00 00 e8 d1 74 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 8c ee ff ff 48 89 df e8 88
RSP: 0018:ffffc90003c1f858 EFLAGS: 00010246
RAX: 88224514a22e1400 RBX: 0000000000000008 RCX: 1ffff92000783ebc
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88801797bc5a R08: ffffffff83b12484 R09: fffffbfff1ca4d86
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880727c2f60
R13: ffff88801797bc38 R14: ffff88801797bc30 R15: 1ffff11002f2f783
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e46f70140 CR3: 000000000cc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/03/31 21:13 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan kernel BUG in gfs2_glock_nq
2023/08/01 07:56 linux-6.1.y d2a6dc4eaf6d 2a0d0f29 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/03/12 12:19 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/08/07 03:04 linux-6.1.y 52a953d0934b 4ffcc9ef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in gfs2_glock_nq
2023/07/21 20:15 linux-6.1.y a456e1743881 abdf9bae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in gfs2_glock_nq
2023/04/05 12:58 linux-6.1.y 3b29299e5f60 831373d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in gfs2_glock_nq
2023/08/28 21:10 linux-6.1.y 024f76bca9d0 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/08/07 02:58 linux-6.1.y 52a953d0934b 4ffcc9ef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/08/01 05:11 linux-6.1.y d2a6dc4eaf6d 2a0d0f29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/06/30 12:47 linux-6.1.y a1c449d00ff8 01298212 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/06/24 00:20 linux-6.1.y e84a4e368abe 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/06/13 23:08 linux-6.1.y 2f3918bc53fb d2ee9228 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/05/31 15:10 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/24 21:47 linux-6.1.y f17b0ab65d17 fdc18293 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/23 23:03 linux-6.1.y f17b0ab65d17 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/22 02:49 linux-6.1.y f17b0ab65d17 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/16 18:07 linux-6.1.y 0102425ac76b ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/15 19:40 linux-6.1.y 0102425ac76b ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/13 08:48 linux-6.1.y 543aff194ab6 82d5e53e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/10 09:18 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/09 04:11 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/09 00:33 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/08 06:34 linux-6.1.y 543aff194ab6 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/07 07:45 linux-6.1.y 543aff194ab6 00ce4c67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/03 14:25 linux-6.1.y 3b29299e5f60 41147e3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/04/02 12:21 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
2023/03/12 01:30 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in gfs2_glock_nq
* Struck through repros no longer work on HEAD.