gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
gfs2: fsid=syz:syz.0: pid: 5769
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:5769 [syz-executor159] gfs2_quota_sync+0x411/0x5a0 fs/gfs2/quota.c:1344
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1589!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5769 Comm: syz-executor159 Not tainted 6.6.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:add_to_queue fs/gfs2/glock.c:1589 [inline]
RIP: 0010:gfs2_glock_nq+0x113b/0x1420 fs/gfs2/glock.c:1614
Code: 7b 99 3d fe 41 0f b7 0e 48 c7 c7 60 9a ef 8a 4c 89 e6 89 da e8 b6 47 ba 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:ffffc90004457898 EFLAGS: 00010246
RAX: 5fa62e04681d8700 RBX: 0000000000000008 RCX: ffff888026375a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880770b3be0 R08: ffffffff8e49ab2f R09: 1ffffffff1c93565
R10: dffffc0000000000 R11: fffffbfff1c93566 R12: ffff88802ea99280
R13: ffff88802e2cd818 R14: ffff88802e2cd85a R15: ffff88802e2cd822
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c9b744d010 CR3: 0000000019289000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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
generic_shutdown_super+0x6f/0x2b0 fs/super.c:666
kill_block_super+0x44/0x90 fs/super.c:1660
deactivate_locked_super+0x97/0x100 fs/super.c:481
cleanup_mnt+0x429/0x4c0 fs/namespace.c:1250
task_work_run+0x1ce/0x250 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0x903/0x23c0 kernel/exit.c:874
do_group_exit+0x21b/0x2d0 kernel/exit.c:1023
__do_sys_exit_group kernel/exit.c:1034 [inline]
__se_sys_exit_group kernel/exit.c:1032 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032
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: 0033:0x7f45d832ab09
Code: Unable to access opcode bytes at 0x7f45d832aadf.
RSP: 002b:00007fff759330a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f45d832ab09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f45d83b92b0 R08: ffffffffffffffb8 R09: 00000000000125eb
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45d83b92b0
R13: 0000000000000000 R14: 00007f45d83ba020 R15: 00007f45d82f9050
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1589 [inline]
RIP: 0010:gfs2_glock_nq+0x113b/0x1420 fs/gfs2/glock.c:1614
Code: 7b 99 3d fe 41 0f b7 0e 48 c7 c7 60 9a ef 8a 4c 89 e6 89 da e8 b6 47 ba 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:ffffc90004457898 EFLAGS: 00010246
RAX: 5fa62e04681d8700 RBX: 0000000000000008 RCX: ffff888026375a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880770b3be0 R08: ffffffff8e49ab2f R09: 1ffffffff1c93565
R10: dffffc0000000000 R11: fffffbfff1c93566 R12: ffff88802ea99280
R13: ffff88802e2cd818 R14: ffff88802e2cd85a R15: ffff88802e2cd822
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c9b744d010 CR3: 0000000019289000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400