rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=db24/1/0x4000000000000000 softirq=15361/15362 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1184025          3            0
rcu: 	cputime:    24978      27511           77   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=8669 q=2964 ncpus=2)
CPU: 1 UID: 0 PID: 6390 Comm: syz.2.160 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:ffffc900001e0c00 EFLAGS: 00000206
RAX: 77b60a113424b800 RBX: 0000000000000a06 RCX: 77b60a113424b800
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc900001e0c90 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888136627ac0 R15: 1ffff9200003c180
FS:  00007f428a3b46c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200001000000 CR3: 000000010ebd6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __hrtimer_run_queues+0x408/0xc60
 hrtimer_run_softirq+0x187/0x2b0
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+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:ffffc9000ab47d80 EFLAGS: 00000282
RAX: 77b60a113424b800 RBX: 0000000000000000 RCX: 77b60a113424b800
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc9000ab47e20 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92001568fb0
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:x64_sys_call+0x0/0x21c0
Code: a6 c0 6c 11 48 8d a0 58 ff ff ff e8 ea d3 51 00 cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 81 fe ea 00 00 00 7f 6e 83 fe 74 0f 8e d6 00 00 00 81
RSP: 0018:ffffc9000ab47ee8 EFLAGS: 00000206
RAX: 77b60a113424b800 RBX: ffffc9000ab47ef0 RCX: 77b60a113424b800
RDX: 0000000000000000 RSI: 00000000000000ca RDI: ffffc9000ab47f58
RBP: ffffc9000ab47f48 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 00000000000000ca
R13: 00000000000000ca R14: ffffc9000ab47f58 R15: ffff888020053980
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f428c58e9a9
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:00007f428a3b40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f428c7b6168 RCX: 00007f428c58e9a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f428c7b616c
RBP: 00007f428c7b6160 R08: 7fffffffffffffff R09: 0000000000000000
R10: 000000000000000d R11: 0000000000000246 R12: 00007f428c7b616c
R13: 0000000000000000 R14: 00007ffc9d93db50 R15: 00007ffc9d93dc38
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 104265414351 wd_nsec: 104265406501
