rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10398 ticks this GP) idle=4adc/1/0x4000000000000000 softirq=26119/29174 fqs=5224
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1118849       4302            0
rcu: 	cputime:    24354      28095          114   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=16785 q=3396 ncpus=2)
CPU: 0 UID: 0 PID: 7621 Comm: syz.4.485 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 9e 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 13 cd 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900000079c0 EFLAGS: 00000206
RAX: bbc0295d7f5f1700 RBX: 0000000000000a02 RCX: bbc0295d7f5f1700
RDX: 0000000000000002 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90000007a50 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffffffff8e1644e0 R14: ffff888136624880 R15: 1ffff92000000f38
FS:  00007f4db89466c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000123d02000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 clocksource_watchdog+0x1100/0x11c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 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:__schedule+0x1a7/0x4d00
Code: 74 08 48 89 df e8 39 eb b3 f6 48 8b 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 20 eb b3 f6 48 81 3b 9d 6e ac 57 <0f> 85 26 18 00 00 83 7c 24 70 00 7f 42 49 8d 5e 18 48 89 d8 48 c1
RSP: 0018:ffffc90001c4fb60 EFLAGS: 00000246
RAX: 1ffff92000389000 RBX: ffffc90001c48000 RCX: bbc0295d7f5f1700
RDX: 0000000000000000 RSI: ffffffff8be29f20 RDI: ffffffff8be29ee0
RBP: ffffc90001c4fd70 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88804b03aac8
R13: dffffc0000000000 R14: ffff888021d1d640 R15: ffff8880b861f000
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:do_syscall_64+0xc3/0x3b0
Code: 00 48 8b 7d 08 48 89 7b 18 e8 49 5a 00 00 0f 1f 44 00 00 0f 1f 44 00 00 90 e8 c9 84 59 f6 90 90 e8 72 84 59 f6 fb 49 8b 57 08 <f6> c2 3f 74 0e 4c 89 f7 4c 89 ee e8 cd dc 3c f6 49 89 c4 90 90 41
RSP: 0018:ffffc90001c4fef0 EFLAGS: 00000286
RAX: bbc0295d7f5f1700 RBX: ffffc90001c4fef0 RCX: bbc0295d7f5f1700
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc90001c4ff48 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 00000000000000ca
R13: 00000000000000ca R14: ffffc90001c4ff58 R15: ffff888021d1d640
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4db7b8e9a9
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:00007f4db89460e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f4db7db5fa8 RCX: 00007f4db7b8e9a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4db7db5fac
RBP: 00007f4db7db5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f4db7db5fac
R13: 0000000000000000 R14: 00007fff68bf9050 R15: 00007fff68bf9138
 </TASK>
