clocksource: Long readout interval, skipping watchdog check: cs_nsec: 75974859755 wd_nsec: 75974865472
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=d21c/1/0x4000000000000000 softirq=25873/25875 fqs=4841
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1222415          4            0
rcu: 	cputime:    35302      17193           38   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=21293 q=3847 ncpus=2)
CPU: 1 UID: 0 PID: 8521 Comm: syz.3.1012 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:__sanitizer_cov_trace_pc+0x10/0x70
Code: de 5b e9 83 ab 5e 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d c8 9d 56 11 <65> 8b 15 e9 9d 56 11 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75
RSP: 0018:ffffc90000a07f40 EFLAGS: 00000246
RAX: ffffffff8a527479 RBX: ffffc90000a08080 RCX: ffff8881bc448000
RDX: ffff8881bc448000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff8881bc448000 R09: 000000000000000b
R10: 000000000000000a R11: 0000000000000100 R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000000000fc R15: 0000000000000000
FS:  00007f6e170a46c0(0000) GS:ffff8882a945c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000012c0 CR3: 00000001a78e6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ipv6_get_saddr_eval+0xb99/0xee0
 __ipv6_dev_get_saddr+0x1af/0x440
 ipv6_dev_get_saddr+0x2c7/0xbb0
 ip6_dst_lookup_tail+0xfb7/0x15a0
 ip6_dst_lookup_flow+0x47/0xe0
 udp_tunnel6_dst_lookup+0x24d/0x470
 geneve_xmit+0x13a6/0x3110
 dev_hard_start_xmit+0x2d8/0x870
 __dev_queue_xmit+0x16d1/0x3890
 ip6_output+0x340/0x550
 ndisc_send_skb+0xd0b/0x1670
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __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:preempt_schedule_irq+0x48/0xa0
Code: 49 be 00 00 00 00 00 fc ff df eb 09 48 f7 03 10 00 00 00 74 53 bf 01 00 00 00 e8 e3 e7 e3 f5 e8 4e 86 1d f6 fb bf 01 00 00 00 <e8> c3 a6 ff ff 9c 58 fa a9 00 02 00 00 74 05 e8 24 88 1d f6 bf 01
RSP: 0018:ffffc9000729fbe0 EFLAGS: 00000202
RAX: 0000000000002449 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000007 RSI: ffffffff8def8ec0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9011b3b7 R09: 1ffffffff2023676
R10: dffffc0000000000 R11: fffffbfff2023677 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 irqentry_exit+0x599/0x620
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__se_sys_perf_event_open+0x1ab7/0x1d60
Code: 00 fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 21 79 36 00 4d 89 2e eb 05 e8 d7 19 cc ff 48 8b 7c 24 20 e8 5d b0 b6 09 8b 5c 24 5c <89> df 48 8b 74 24 60 e8 dd f0 51 00 89 db 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000729fd00 EFLAGS: 00000246
RAX: 9edbcf277d6fbf00 RBX: 0000000000000003 RCX: ffffffff8bb03a9d
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000729fc80
RBP: ffffc9000729fee0 R08: ffffc9000729fc87 R09: 1ffff92000e53f90
R10: dffffc0000000000 R11: fffff52000e53f91 R12: 1ffff92000e53fb0
R13: ffff8881a991c1e8 R14: ffff8881bc449530 R15: 1ffff110378892a7
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e1619c799
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:00007f6e170a4028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f6e16415fa0 RCX: 00007f6e1619c799
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000012c0
RBP: 00007f6e16232c99 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6e16416038 R14: 00007f6e16415fa0 R15: 00007ffdf04a8378
 </TASK>
sched: DL replenish lagged too much
