clocksource: Long readout interval, skipping watchdog check: cs_nsec: 90587906756 wd_nsec: 90587908822
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10406 ticks this GP) idle=93e4/1/0x4000000000000000 softirq=74462/74463 fqs=4502
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1013004          2            0
rcu: 	cputime:    33705      18784           51   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=64085 q=1742 ncpus=2)
CPU: 0 UID: 0 PID: 18957 Comm: syz.5.4341 Not tainted syzkaller #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:filter_irq_stacks+0x0/0xa0
Code: c1 0f 8c 64 ff ff ff 4c 89 f7 e8 fb cf 7b 00 e9 57 ff ff ff e8 21 56 ca 09 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 41 57 41 56 41 55 41 54 53 85 f6 74 70 49 89 fe 41 89
RSP: 0018:ffffc900000077b0 EFLAGS: 00000293
RAX: 0000000000000025 RBX: 0000000000000801 RCX: 0000000000000001
RDX: 0000000000000820 RSI: 0000000000000025 RDI: ffffc90000007810
RBP: ffffc90000007a40 R08: ffffffff81d1e6b6 R09: ffffffff8e35a3a0
R10: ffffc90000007718 R11: ffffffff81ae5bd0 R12: ffff8881062a9d01
R13: 0000000000000820 R14: ffffc90000007810 R15: ffffc90000007810
FS:  00007f3f071876c0(0000) GS:ffff88818e328000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d7cfde2f8 CR3: 0000000113b98000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 stack_depot_save_flags+0x33/0x810
 kasan_save_track+0x4f/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x427/0x6f0
 __alloc_skb+0x1d7/0x390
 ndisc_alloc_skb+0x9f/0x480
 ndisc_send_rs+0x2b5/0x630
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x5a0
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x7c0
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80
Code: f7 e8 9d 7d 24 f6 f7 c3 00 02 00 00 74 05 e8 b0 11 4f f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 14 8b 16 f6 65 8b 05 4d 28 54 07 85 c0 74 18 5b 41 5e c3 cc cc
RSP: 0018:ffffc90008b47200 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000286 RCX: 0000000000000002
RDX: 0000000000000007 RSI: ffffffff8dad379b RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff8fced577 R09: 1ffffffff1f9daae
R10: dffffc0000000000 R11: fffffbfff1f9daaf R12: dffffc0000000000
R13: 1ffff11020c55dfe R14: ffffffff99ff3848 R15: ffffc90008b50000
 call_rcu+0x5b/0x890
 put_task_stack+0x133/0x1c0
 finish_task_switch+0x4b3/0x920
 __schedule+0x14f7/0x4fb0
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x597/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_release+0x2d7/0x3a0
Code: 61 30 11 00 00 00 00 eb b5 e8 65 5b d9 09 f7 c3 00 02 00 00 74 b9 65 48 8b 05 55 1c 30 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 92 b8 32
RSP: 0018:ffffc90008b47668 EFLAGS: 00000282
RAX: bd9ee92069bc1100 RBX: 0000000000000202 RCX: 0000000000000046
RDX: 0000000000000001 RSI: ffffffff8dd3c55e RDI: ffffffff8be73f00
RBP: ffff8881062aa898 R08: ffffffff81acd0ed R09: ffffffff8e35a3a0
R10: ffffc90008b47778 R11: ffffffff81ae5bd0 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8e35a3a0 R15: ffff8881062a9d40
 is_module_text_address+0x18b/0x1e0
 kernel_text_address+0x94/0xe0
 __kernel_text_address+0xd/0x30
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfb/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x427/0x6f0
 perf_event_alloc+0x1cb/0x2e40
 __se_sys_perf_event_open+0x7a9/0x1d60
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3f0639acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3f07187028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f3f06616180 RCX: 00007f3f0639acb9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007f3f06408bf7 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3f06616218 R14: 00007f3f06616180 R15: 00007ffef97bb6c8
 </TASK>
sched: DL replenish lagged too much
