gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
gfs2: fsid=syz:syz.0: pid: 8040
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:5 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:8040 [syz.3.793] gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8040 Comm: syz.3.793 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:add_to_queue fs/gfs2/glock.c:1605 [inline]
RIP: 0010:gfs2_glock_nq+0x113b/0x1420 fs/gfs2/glock.c:1630
Code: 8b d6 35 fe 41 0f b7 0e 48 c7 c7 40 b1 0f 8b 4c 89 e6 89 da e8 c6 39 d1 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 15 70 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:ffffc90003587978 EFLAGS: 00010246
RAX: 3908c2e27b467500 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffff520006b0f24
RBP: ffff88805f017280 R08: ffffffff8e8b15ef R09: 0000000000000000
R10: fffff520006b0ee0 R11: fffffbfff1d162be R12: ffff88801bed1280
R13: ffff88802fcca018 R14: ffff88802fcca05a R15: ffff88802fcca022
FS:  00007fb25228d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f112a78f000 CR3: 00000000292d0000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000081
DR3: ffffffffefffff14 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:253 [inline]
 do_sync+0x407/0xe50 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/0x8a0 fs/super.c:1151
 vfs_cmd_reconfigure fs/fsopen.c:273 [inline]
 vfs_fsconfig_locked+0x16c/0x320 fs/fsopen.c:302
 __do_sys_fsconfig fs/fsopen.c:481 [inline]
 __se_sys_fsconfig+0x70d/0x850 fs/fsopen.c:355
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb25139c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb25228d028 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007fb251615fa0 RCX: 00007fb25139c819
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007fb251432c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb251616038 R14: 00007fb251615fa0 R15: 00007ffe53a77278
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1605 [inline]
RIP: 0010:gfs2_glock_nq+0x113b/0x1420 fs/gfs2/glock.c:1630
Code: 8b d6 35 fe 41 0f b7 0e 48 c7 c7 40 b1 0f 8b 4c 89 e6 89 da e8 c6 39 d1 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 15 70 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:ffffc90003587978 EFLAGS: 00010246
RAX: 3908c2e27b467500 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffff520006b0f24
RBP: ffff88805f017280 R08: ffffffff8e8b15ef R09: 0000000000000000
R10: fffff520006b0ee0 R11: fffffbfff1d162be R12: ffff88801bed1280
R13: ffff88802fcca018 R14: ffff88802fcca05a R15: ffff88802fcca022
FS:  00007fb25228d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f112a78f000 CR3: 00000000292d0000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000081
DR3: ffffffffefffff14 DR6: 00000000ffff0ff0 DR7: 0000000000000400