gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370
gfs2: fsid=syz:syz.0: pid: 5645
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:5645 [syz.1.57] gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1600!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 5645 Comm: syz.1.57 Not tainted 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:add_to_queue fs/gfs2/glock.c:1600 [inline]
RIP: 0010:gfs2_glock_nq+0x174b/0x1ab0 fs/gfs2/glock.c:1644
Code: fe 0f b7 0b 48 c7 c7 c0 62 0e 8c 48 8b 74 24 20 44 89 f2 e8 97 9f 9f 07 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 66 60 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3e f8 ff ff 48 89 df e8
RSP: 0018:ffffc900043279f8 EFLAGS: 00010246
RAX: b7e43bc785cef000 RBX: ffff88807b51c25a RCX: 0000000000040000
RDX: ffffc90008e49000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff83da01e7 R09: 1ffffffff1f5842d
R10: dffffc0000000000 R11: fffffbfff1f5842e R12: ffff88807b51c222
R13: 1ffff1100f6a3843 R14: 0000000000000008 R15: ffff88807b51c218
FS:  00007f315a0eb6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f607b00b000 CR3: 0000000024130000 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:238 [inline]
 do_sync+0x3cc/0xec0 fs/gfs2/quota.c:946
 gfs2_quota_sync+0x3cc/0x590 fs/gfs2/quota.c:1370
 gfs2_sync_fs+0x4d/0xc0 fs/gfs2/super.c:670
 sync_filesystem+0xed/0x230 fs/sync.c:56
 generic_shutdown_super+0x72/0x2d0 fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1685
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31593772da
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f315a0eae78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007f315a0eaf00 RCX: 00007f31593772da
RDX: 0000000020000000 RSI: 0000000020012500 RDI: 00007f315a0eaec0
RBP: 0000000020000000 R08: 00007f315a0eaf00 R09: 0000000000000800
R10: 0000000000000800 R11: 0000000000000206 R12: 0000000020012500
R13: 00007f315a0eaec0 R14: 000000000001252a R15: 0000000020000240
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1600 [inline]
RIP: 0010:gfs2_glock_nq+0x174b/0x1ab0 fs/gfs2/glock.c:1644
Code: fe 0f b7 0b 48 c7 c7 c0 62 0e 8c 48 8b 74 24 20 44 89 f2 e8 97 9f 9f 07 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 66 60 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3e f8 ff ff 48 89 df e8
RSP: 0018:ffffc900043279f8 EFLAGS: 00010246
RAX: b7e43bc785cef000 RBX: ffff88807b51c25a RCX: 0000000000040000
RDX: ffffc90008e49000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000000 R08: ffffffff83da01e7 R09: 1ffffffff1f5842d
R10: dffffc0000000000 R11: fffffbfff1f5842e R12: ffff88807b51c222
R13: 1ffff1100f6a3843 R14: 0000000000000008 R15: ffff88807b51c218
FS:  00007f315a0eb6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f607b00b000 CR3: 0000000024130000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400