clocksource: Long readout interval, skipping watchdog check: cs_nsec: 72841854717 wd_nsec: 72841856311
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (9991 ticks this GP) idle=5644/1/0x4000000000000000 softirq=24675/24678 fqs=4342
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   883244          4            0
rcu: 	cputime:    31922      20557           59   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=18857 q=2818 ncpus=2)
CPU: 1 UID: 0 PID: 8253 Comm: syz.0.699 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:lock_release+0x2b5/0x3e0
Code: 51 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 eb cd 02 11 <48> 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001e0310 EFLAGS: 00000206
RAX: eaffcdd83b22f600 RBX: 0000000000000202 RCX: eaffcdd83b22f600
RDX: 0000000000000005 RSI: ffffffff8dba5d03 RDI: ffffffff8be33380
RBP: ffff88801fe1e1f8 R08: ffffc9000469fb90 R09: 0000000000000000
R10: ffffc900001e0498 R11: fffff5200003c095 R12: 0000000000000005
R13: 0000000000000005 R14: ffffffff8e139ee0 R15: ffff88801fe1d640
FS:  00007f1d416de6c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000029c0 CR3: 00000000384ee000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 unwind_next_frame+0x19a9/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x230/0x3d0
 dst_cow_metrics_generic+0x56/0x1c0
 icmp6_dst_alloc+0x264/0x420
 ndisc_send_skb+0x41f/0x1440
 addrconf_rs_timer+0x369/0x670
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 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:generic_exec_single+0x481/0x500
Code: 75 11 e8 d2 6e 0b 00 48 85 db 75 16 e8 c8 6e 0b 00 eb 15 e8 c1 6e 0b 00 e8 9c 07 c5 09 48 85 db 74 ea e8 b2 6e 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000469f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc90003e99000 RSI: 000000000000032b RDI: 000000000000032c
RBP: ffffc9000469fa90 R08: ffffffff8fa38137 R09: 1ffffffff1f47026
R10: dffffc0000000000 R11: fffffbfff1f47027 R12: 1ffff920008d3f3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920008d3f5d
 smp_call_function_single+0x351/0x590
 perf_install_in_context+0x593/0x8f0
 __se_sys_perf_event_open+0x193a/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d4078ebe9
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:00007f1d416de038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f1d409b5fa0 RCX: 00007f1d4078ebe9
RDX: 7fffffffffffffff RSI: 0000000000000000 RDI: 0000200000000440
RBP: 00007f1d40811e19 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d409b6038 R14: 00007f1d409b5fa0 R15: 00007fff7463d118
 </TASK>
sched: DL replenish lagged too much
