gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:5333 [syz-executor.0] gfs2_quota_sync+0x3a4/0x870 fs/gfs2/quota.c:1320 gfs2: fsid=syz:syz.0: I: n:11/2340 t:8 f:0x00 d:0x00000201 s:176 p:0 gfs2: fsid=syz:syz.0: about to withdraw this file system ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 5333 at kernel/locking/lockdep.c:231 __lock_acquire+0xac1/0x1f80 Modules linked in: CPU: 0 PID: 5333 Comm: syz-executor.0 Not tainted 6.2.0-rc1-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__lock_acquire+0xac1/0x1f80 kernel/locking/lockdep.c:231 Code: 83 3d 2a 94 cb 0c 00 0f 85 58 fa ff ff 48 c7 c7 20 85 ca 8a 48 c7 c6 c0 87 ca 8a e8 99 22 e8 ff 48 ba 00 00 00 00 00 fc ff df <0f> 0b e9 34 fa ff ff e8 b3 58 c8 02 85 c0 0f 84 64 06 00 00 48 c7 RSP: 0018:ffffc900055ff180 EFLAGS: 00010046 RAX: b527b41e8dc12d00 RBX: 00000000000016e6 RCX: ffff8880211c3a80 RDX: dffffc0000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffff8880211c449c R08: ffffffff816edbac R09: ffffed101734515b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880211c44b0 R13: ffff8880211c3a80 R14: ffff8880211c4550 R15: 1ffff110042388aa FS: 00005555561af480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd66f54f88 CR3: 000000001c5db000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x20b/0x600 kernel/locking/lockdep.c:5668 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xb7/0x100 kernel/locking/spinlock.c:162 prepare_to_wait+0x4a/0x200 kernel/sched/wait.c:269 gfs2_quota_cleanup+0xe4/0x8c0 fs/gfs2/quota.c:1461 gfs2_make_fs_ro+0x50c/0x600 fs/gfs2/super.c:560 gfs2_withdraw+0x63e/0x1550 fs/gfs2/util.c:166 gfs2_inode_refresh+0xb32/0xfa0 fs/gfs2/glops.c:460 gfs2_instantiate+0x18c/0x250 fs/gfs2/glock.c:456 gfs2_glock_wait+0x1df/0x2b0 fs/gfs2/glock.c:1299 gfs2_glock_nq_init fs/gfs2/glock.h:262 [inline] do_sync+0x482/0xc70 fs/gfs2/quota.c:918 gfs2_quota_sync+0x3a4/0x870 fs/gfs2/quota.c:1320 gfs2_sync_fs+0x4d/0xb0 fs/gfs2/super.c:650 sync_filesystem+0xec/0x220 fs/sync.c:56 generic_shutdown_super+0x6f/0x310 fs/super.c:474 kill_block_super+0x7e/0xe0 fs/super.c:1386 deactivate_locked_super+0xa4/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1291 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_to_user_mode_loop+0xd1/0xf0 include/linux/resume_user_mode.h:49 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:203 syscall_exit_to_user_mode+0x54/0x2d0 kernel/entry/common.c:285 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7efdd7c7db87 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd66f551e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007efdd7c7db87 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd66f552a0 RBP: 00007ffd66f552a0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd66f56360 R13: 00007efdd7cd7aa2 R14: 000000000001435b R15: 0000000000000001