XFS (loop3): Invalid superblock magic number
BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 1 PID: 30820 Comm: syz-executor.3 Not tainted 5.1.0-rc2+ #37
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 save_trace kernel/locking/lockdep.c:467 [inline]
 save_trace.cold+0x14/0x19 kernel/locking/lockdep.c:437
 check_prev_add.constprop.0+0x8dc/0x23c0 kernel/locking/lockdep.c:2268
 check_prevs_add kernel/locking/lockdep.c:2333 [inline]
 validate_chain kernel/locking/lockdep.c:2714 [inline]
 __lock_acquire+0x239c/0x3fb0 kernel/locking/lockdep.c:3701
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
 rq_lock kernel/sched/sched.h:1168 [inline]
 __schedule+0x1fc/0x1cc0 kernel/sched/core.c:3456
 preempt_schedule_irq+0xb5/0x140 kernel/sched/core.c:3745
 retint_kernel+0x1b/0x2d
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline]
RIP: 0010:lock_acquire+0x1ea/0x3f0 kernel/locking/lockdep.c:4214
Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c7 01 00 00 48 83 3d 52 18 3b 07 00 0f 84 3b 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b
RSP: 0018:ffff88803b2a7950 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11252de RBX: ffff8880a4afe2c0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000282
RBP: ffff88803b2a7998 R08: 1ffffffff14b08f0 R09: fffffbfff14b08f1
R10: fffffbfff14b08f0 R11: ffff8880a4afe2c0 R12: ffff88808f74ab28
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 flush_workqueue+0x126/0x14c0 kernel/workqueue.c:2774
 drain_workqueue+0x1b4/0x470 kernel/workqueue.c:2939
 destroy_workqueue+0x21/0x700 kernel/workqueue.c:4320
 xfs_destroy_mount_workqueues+0x3b/0x1c0 fs/xfs/xfs_super.c:901
 xfs_fs_fill_super+0x8e9/0x1670 fs/xfs/xfs_super.c:1786
 mount_bdev+0x307/0x3c0 fs/super.c:1346
 xfs_fs_mount+0x35/0x40 fs/xfs/xfs_super.c:1834
 legacy_get_tree+0xf2/0x200 fs/fs_context.c:584
 vfs_get_tree+0x123/0x450 fs/super.c:1481
 do_new_mount fs/namespace.c:2622 [inline]
 do_mount+0x1436/0x2c40 fs/namespace.c:2942
 ksys_mount+0xdb/0x150 fs/namespace.c:3151
 __do_sys_mount fs/namespace.c:3165 [inline]
 __se_sys_mount fs/namespace.c:3162 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3162
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45ac7a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8e fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8e fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f66ceba6a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66ceba6b40 RCX: 000000000045ac7a
RDX: 00007f66ceba6ae0 RSI: 0000000020000080 RDI: 00007f66ceba6b00
RBP: 0000000000000000 R08: 00007f66ceba6b40 R09: 00007f66ceba6ae0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
R13: 00000000004c6b80 R14: 00000000004dc190 R15: 00000000ffffffff