clocksource: Long readout interval, skipping watchdog check: cs_nsec: 21480001819 wd_nsec: 21480002402
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=19b4/1/0x4000000000000000 softirq=20399/20403 fqs=4680
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   925860          0            0
rcu: 	cputime:    24511      27967          104   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=12837 q=1706 ncpus=2)
CPU: 0 UID: 0 PID: 7237 Comm: syz.0.417 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a 35 2d f6 48 89 df e8 a2 cc 2d f6 e8 0d 9e 56 f6 fb bf 01 00 00 00 <e8> 72 cc 1f f6 65 8b 05 1b f9 2e 07 85 c0 74 07 5b e9 81 4c 00 00
RSP: 0018:ffffc90000007c90 EFLAGS: 00000286
RAX: 02783d36dd1aca00 RBX: ffff88804b025940 RCX: 02783d36dd1aca00
RDX: 0000000000000002 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc90000007e10 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88804b025940
R13: 1ffff92000000fac R14: ffff888020efcde8 R15: ffffc90000007d60
FS:  00007efd3e1bf6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011a7f6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __run_timer_base+0x60a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900069b7540 EFLAGS: 00000286
RAX: 02783d36dd1aca00 RBX: 0000000000000000 RCX: 02783d36dd1aca00
RDX: 0000000000000006 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc900069b75f0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d36ea8
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lockdep_init_map_type+0x93/0x380
Code: c1 0f 84 43 02 00 00 48 81 fa 00 00 e0 8d 0f 93 c0 48 81 fa 80 06 a4 8f 0f 92 c1 84 c8 0f 85 9c 00 00 00 48 81 fa 00 00 a4 92 <0f> 93 c0 48 81 fa 00 00 20 9a 0f 92 c1 84 c8 0f 85 80 00 00 00 48
RSP: 0018:ffffc900069b76b0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: ffff888020e50898 RCX: 0000000000000000
RDX: ffffffff92a6c2a0 RSI: ffffffff8b8aefe0 RDI: ffff888020e50801
RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10041ca110 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff92a6c2a0 R15: ffffffff8b8aefe0
 __raw_spin_lock_init+0x45/0x100
 __mutex_init+0x63/0x100
 tun_chr_open+0x1d6/0x510
 misc_open+0x2bc/0x330
 chrdev_open+0x4cc/0x5e0
 do_dentry_open+0xdf3/0x1970
 vfs_open+0x3b/0x340
 path_openat+0x2ee5/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efd3d38e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007efd3e1bf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efd3d5b5fa0 RCX: 00007efd3d38e9a9
RDX: 0000000000040241 RSI: 0000200000000140 RDI: ffffffffffffff9c
RBP: 00007efd3d410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efd3d5b5fa0 R15: 00007ffd5d859e88
 </TASK>
