gfs2: fsid=syz:syz.0: pid: 5968
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
gfs2: fsid=syz:syz.0: pid: 5968
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:5968 [syz.1.30] gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1587!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5968 Comm: syz.1.30 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:add_to_queue fs/gfs2/glock.c:1587 [inline]
RIP: 0010:gfs2_glock_nq+0x113b/0x1420 fs/gfs2/glock.c:1612
Code: 2b a9 3c fe 41 0f b7 0e 48 c7 c7 e0 95 ef 8a 4c 89 e6 89 da e8 b6 39 c3 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 35 74 ff ff <0f> 0b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 45 f1 ff ff 4c 89 f7
RSP: 0018:ffffc90004e2f958 EFLAGS: 00010246

RAX: 4a845afc0be30300 RBX: 0000000000000008 RCX: 0000000000080000
RDX: ffffc9000c989000 RSI: 0000000000019b3f RDI: 0000000000019b40
RBP: ffff88805cfebbe0 R08: ffffffff8e4a8d6f R09: 1ffffffff1c951ad
R10: dffffc0000000000 R11: fffffbfff1c951ae R12: ffff88802f15d280
R13: ffff888078ad8b18 R14: ffff888078ad8b5a R15: ffff888078ad8b22
FS:  00007f8f48ad66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ac91c4000 CR3: 00000000765da000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline]
 do_sync+0x3c1/0xe00 fs/gfs2/quota.c:912
 gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:670
 sync_filesystem+0xea/0x220 fs/sync.c:56
 gfs2_reconfigure+0xbb/0xb10 fs/gfs2/ops_fstype.c:1564
 reconfigure_super+0x21e/0x880 fs/super.c:1151
 do_remount fs/namespace.c:2927 [inline]
 path_mount+0xd19/0xfe0 fs/namespace.c:3705
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8f47b8f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8f48ad6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8f47de5fa0 RCX: 00007f8f47b8f6c9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f8f47c11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002012024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f47de6038 R14: 00007f8f47de5fa0 R15: 00007ffc644f6e48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1587 [inline]
RIP: 0010:gfs2_glock_nq+0x113b/0x1420 fs/gfs2/glock.c:1612
Code: 2b a9 3c fe 41 0f b7 0e 48 c7 c7 e0 95 ef 8a 4c 89 e6 89 da e8 b6 39 c3 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 35 74 ff ff <0f> 0b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 45 f1 ff ff 4c 89 f7
RSP: 0018:ffffc90004e2f958 EFLAGS: 00010246

RAX: 4a845afc0be30300 RBX: 0000000000000008 RCX: 0000000000080000
RDX: ffffc9000c989000 RSI: 0000000000019b3f RDI: 0000000000019b40
RBP: ffff88805cfebbe0 R08: ffffffff8e4a8d6f R09: 1ffffffff1c951ad
R10: dffffc0000000000 R11: fffffbfff1c951ae R12: ffff88802f15d280
R13: ffff888078ad8b18 R14: ffff888078ad8b5a R15: ffff888078ad8b22
FS:  00007f8f48ad66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ac91c4000 CR3: 00000000765da000 CR4: 00000000003506e0