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WARNING: CPU: 1 PID: 25748 at kernel/rcu/tree.c:1058 rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 25748 Comm: syz-executor.4 Not tainted 5.9.0-rc2-syzkaller #0
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+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x4a kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:rcu_irq_enter+0x15/0x20 kernel/rcu/tree.c:1058
Code: 00 00 00 4c 89 e7 e8 1a 86 c0 f9 eb b4 0f 0b eb 8b 0f 1f 40 00 8b 05 16 c3 be 02 85 c0 74 0d 65 8b 05 cb 68 0e 78 85 c0 74 02 <0f> 0b e9 44 ff ff ff 0f 1f 40 00 53 48 c7 c3 00 6c 03 00 e8 43 08
RSP: 0018:ffffc9000860fab0 EFLAGS: 00010002
RAX: 0000000000000001 RBX: 0000000000000086 RCX: ffffc90011006000
RDX: 0000000000040000 RSI: ffffffff8161f951 RDI: 0000000000000005
RBP: ffffffff8cbe59f0 R08: 0000000000000000 R09: ffffffff8ab2348f
R10: 0000000000000000 R11: 0000000000168fa8 R12: 0000000000000086
R13: ffffffff87f63a36 R14: 0000000000000001 R15: ffffffff89bd6780
 rcu_irq_enter_irqson+0x76/0x140 kernel/rcu/tree.c:1073
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_irq_disable_rcuidle include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off kernel/trace/trace_preemptirq.c:82 [inline]
 trace_hardirqs_off+0x114/0x210 kernel/trace/trace_preemptirq.c:74
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
 _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:159
 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:636
 debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
 __call_rcu kernel/rcu/tree.c:2880 [inline]
 call_rcu+0x2c/0x7e0 kernel/rcu/tree.c:2968
 lockdep_unregister_key+0x21d/0x570 kernel/locking/lockdep.c:5686
 wq_unregister_lockdep kernel/workqueue.c:3461 [inline]
 destroy_workqueue+0x449/0x740 kernel/workqueue.c:4415
 xfs_destroy_mount_workqueues+0x37/0x150 fs/xfs/xfs_super.c:546
 xfs_fc_fill_super+0x4c0/0x12e0 fs/xfs/xfs_super.c:1578
 get_tree_bdev+0x421/0x740 fs/super.c:1342
 vfs_get_tree+0x89/0x2f0 fs/super.c:1547
 do_new_mount fs/namespace.c:2875 [inline]
 path_mount+0x1387/0x2070 fs/namespace.c:3192
 do_mount fs/namespace.c:3205 [inline]
 __do_sys_mount fs/namespace.c:3413 [inline]
 __se_sys_mount fs/namespace.c:3390 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3390
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x46000a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 89 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 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007fe1e3e00a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe1e3e00b20 RCX: 000000000046000a
RDX: 0000000020001440 RSI: 0000000020001480 RDI: 00007fe1e3e00ae0
RBP: 00007fe1e3e00ae0 R08: 00007fe1e3e00b20 R09: 0000000020001440
R10: 0000000000218003 R11: 0000000000000202 R12: 0000000020001440
R13: 0000000020001480 R14: 0000000020003980 R15: 0000000020003a40
Kernel Offset: disabled
Rebooting in 86400 seconds..