audit: type=1804 audit(1548792505.991:117): pid=27296 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor0" name="/root/syzkaller-testdir174034790/syzkaller.c9hyQt/133/memory.events" dev="sda1" ino=16689 res=1
WARNING: CPU: 1 PID: 9259 at net/xfrm/xfrm_policy.c:1066 xfrm_policy_inexact_gc_tree+0x233/0x290 net/xfrm/xfrm_policy.c:1066
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 9259 Comm: kworker/u4:10 Not tainted 5.0.0-rc3+ #24
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:xfrm_policy_inexact_gc_tree+0x233/0x290 net/xfrm/xfrm_policy.c:1066
Code: 81 c4 a0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 41 54 c3 fa 31 ff 44 89 fe e8 77 55 c3 fa 45 84 ff 74 99 e8 2d 54 c3 fa <0f> 0b eb 90 48 8d 7d 98 48 89 b5 50 ff ff ff e8 89 46 07 fb 48 8b
RSP: 0018:ffff888069487370 EFLAGS: 00010293
RAX: ffff888068de41c0 RBX: 0000000000000000 RCX: ffffffff86beaab9
RDX: 0000000000000000 RSI: ffffffff86beaac3 RDI: 0000000000000001
RBP: ffff888069487438 R08: ffff888068de41c0 R09: ffff888068de4b00
R10: ffff888068de4ae0 R11: 0000000000000001 R12: ffff888099176480
R13: dffffc0000000000 R14: ffffed100d290e7a R15: 0000000000000001
 xfrm_policy_inexact_gc_tree+0xd1/0x290 net/xfrm/xfrm_policy.c:1062
 __xfrm_policy_inexact_prune_bin+0x126/0xa60 net/xfrm/xfrm_policy.c:1078
audit: type=1804 audit(1548792506.261:118): pid=27319 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor3" name="/root/syzkaller-testdir733900798/syzkaller.8JHBvi/648/memory.events" dev="sda1" ino=16690 res=1
audit: type=1800 audit(1548792506.261:119): pid=27319 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor3" name="memory.events" dev="sda1" ino=16690 res=0
audit: type=1804 audit(1548792506.261:120): pid=27317 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor3" name="/root/syzkaller-testdir733900798/syzkaller.8JHBvi/648/memory.events" dev="sda1" ino=16690 res=1
 xfrm_policy_fini+0x463/0x640 net/xfrm/xfrm_policy.c:3887
audit: type=1804 audit(1548792506.261:121): pid=27288 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor0" name="/root/syzkaller-testdir174034790/syzkaller.c9hyQt/133/memory.events" dev="sda1" ino=16689 res=1
 xfrm_net_exit+0x1d/0x70 net/xfrm/xfrm_policy.c:3928
 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x51d/0xb10 net/core/net_namespace.c:551
kobject: 'loop1' (0000000020d8fc96): kobject_uevent_env
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
kobject: 'loop1' (0000000020d8fc96): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000006aa22e17): kobject_uevent_env
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
kobject: 'loop2' (000000006aa22e17): fill_kobj_path: path = '/devices/virtual/block/loop2'
audit: type=1800 audit(1548792506.261:122): pid=27296 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor0" name="memory.events" dev="sda1" ino=16689 res=0
IPv6 header not found
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..