audit: type=1804 audit(1545427470.341:999): pid=7511 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor2" name="/root/syzkaller-testdir443711658/syzkaller.TPMuw1/1998/memory.events" dev="sda1" ino=16537 res=1
ip6_tunnel: ÏHÿÿÿÿªªªªª» xmit: Local address not yet configured!
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10497 ticks this GP) idle=a26/1/0x4000000000000002 softirq=162744/162744 fqs=5234 
rcu: 	 (t=10500 jiffies g=225377 q=2258)
NMI backtrace for cpu 1
CPU: 1 PID: 8989 Comm: kworker/1:4 Not tainted 4.20.0-rc7+ #357
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xfrm_hash_rebuild
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.2+0x5c/0xa1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1e8/0x22a lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x16f/0x1bc kernel/rcu/tree.c:1195
 print_cpu_stall.cold.67+0x1f3/0x3c7 kernel/rcu/tree.c:1334
 check_cpu_stall kernel/rcu/tree.c:1408 [inline]
 rcu_pending kernel/rcu/tree.c:2961 [inline]
 rcu_check_callbacks+0xf3b/0x13f0 kernel/rcu/tree.c:2506
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:__sanitizer_cov_trace_cmp4+0xa/0x20 kernel/kcov.c:161
Code: 55 0f b7 d6 0f b7 f7 bf 02 00 00 00 48 89 e5 48 8b 4d 08 e8 08 ff ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 04 00 00 00 <48> 89 e5 48 8b 4d 08 e8 ea fe ff ff 5d c3 0f 1f 84 00 00 00 00 00
RSP: 0018:ffff88819559f330 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8881cbec8000 RBX: ffff8881d7cc76c0 RCX: ffffffff86ce8550
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: ffff88819559f468 R08: ffff8881cbec8000 R09: 0000000000000008
R10: 0000000000000005 R11: ffff8881cbec8000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 xfrm_policy_inexact_insert+0x166/0xee0 net/xfrm/xfrm_policy.c:1195
 xfrm_hash_rebuild+0xfba/0x1380 net/xfrm/xfrm_policy.c:1317
 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x440 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352