gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: can't create logd thread: -4 ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 5413 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 5413 at kernel/locking/lockdep.c:232 hlock_class+0xfa/0x130 kernel/locking/lockdep.c:221 Modules linked in: CPU: 1 UID: 0 PID: 5413 Comm: syz.3.34 Not tainted 6.11.0-syzkaller-07462-g1868f9d0260e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:hlock_class+0xfa/0x130 kernel/locking/lockdep.c:221 Code: b6 14 11 38 d0 7c 04 84 d2 75 43 8b 05 33 93 d5 0e 85 c0 75 19 90 48 c7 c6 e0 dd 4c 8b 48 c7 c7 80 d8 4c 8b e8 f7 ea e4 ff 90 <0f> 0b 90 90 90 31 c0 eb 9e e8 88 0c 82 00 e9 1c ff ff ff 48 c7 c7 RSP: 0018:ffffc900030af620 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 000000000000085b RCX: ffffc9000a09b000 RDX: 0000000000040000 RSI: ffffffff814e16b6 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000002d2d2d2d R12: 0000000000000000 R13: ffff888030ffe508 R14: 000000000000085b R15: ffff888030ffda00 FS: 00007fec966ff6c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f964595e000 CR3: 00000000279d6000 CR4: 0000000000350ef0 Call Trace: check_wait_context kernel/locking/lockdep.c:4823 [inline] __lock_acquire+0x415/0x3ce0 kernel/locking/lockdep.c:5149 lock_acquire kernel/locking/lockdep.c:5822 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5787 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:3880 __flush_workqueue+0x129/0x1200 kernel/workqueue.c:3922 drain_workqueue+0x18f/0x3d0 kernel/workqueue.c:4086 destroy_workqueue+0xc2/0xaa0 kernel/workqueue.c:5830 gfs2_fill_super+0x146d/0x2d10 fs/gfs2/ops_fstype.c:1310 get_tree_bdev+0x372/0x610 fs/super.c:1635 gfs2_get_tree+0x4e/0x280 fs/gfs2/ops_fstype.c:1329 vfs_get_tree+0x92/0x380 fs/super.c:1800 do_new_mount fs/namespace.c:3507 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount fs/namespace.c:4032 [inline] __x64_sys_mount+0x294/0x320 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fec9597f69a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 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:00007fec966fee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fec966feef0 RCX: 00007fec9597f69a RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007fec966feeb0 RBP: 0000000020037f40 R08: 00007fec966feef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020037f80 R13: 00007fec966feeb0 R14: 0000000000037f14 R15: 0000000020037fc0