------------[ cut here ]------------
AppArmor WARN cred_label: ((!blob)): 
WARNING: CPU: 0 PID: 18366 at security/apparmor/include/cred.h:30 cred_label security/apparmor/include/cred.h:30 [inline]
WARNING: CPU: 0 PID: 18366 at security/apparmor/include/cred.h:30 apparmor_cred_free+0x12f/0x1a0 security/apparmor/lsm.c:62
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 18366 Comm: syz-executor2 Not tainted 5.0.0-rc1-next-20190114 #11
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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:cred_label security/apparmor/include/cred.h:30 [inline]
RIP: 0010:apparmor_cred_free+0x12f/0x1a0 security/apparmor/lsm.c:62
Code: 7c 88 48 c7 c7 c0 d1 7c 88 e8 ed 6f f2 fd 0f 0b eb a9 e8 14 46 29 fe 48 c7 c6 80 e1 7c 88 48 c7 c7 c0 d1 7c 88 e8 d1 6f f2 fd <0f> 0b 48 b8 00 00 00 00 00 fc ff df 80 38 00 75 4a 4c 8b 2c 25 00
RSP: 0018:ffff8880ae6079f8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff81688726 RDI: 0000000000000006
RBP: ffff8880ae607a18 R08: ffff888054e8c640 R09: ffff888054e8cee0
R10: ffff888054e8c640 R11: 0000000000000000 R12: ffff888092111800
R13: ffff888092111800 R14: ffff888092111888 R15: dffffc0000000000
 security_cred_free+0x4b/0xf0 security/security.c:1490
 put_cred_rcu+0x21f/0x6e0 kernel/cred.c:118
 __rcu_reclaim kernel/rcu/rcu.h:240 [inline]
 rcu_do_batch kernel/rcu/tree.c:2486 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2799 [inline]
 rcu_core+0xc4a/0x1680 kernel/rcu/tree.c:2780
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:nf_sockopt_find.constprop.0+0x101/0x290 net/netfilter/nf_sockopt.c:74
Code: 4b 2c fb 0f b6 75 d0 40 84 f6 0f 84 27 01 00 00 e8 54 4a 2c fb 8b 75 d4 31 ff e8 ca 4b 2c fb 8b 45 d4 85 c0 0f 84 a4 00 00 00 <e8> 3a 4a 2c fb 49 8d 7c 24 30 48 89 f8 48 c1 e8 03 0f b6 04 18 84
RSP: 0018:ffff888099717bb8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff8655ea26
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff888099717be8 R08: ffff888054e8c640 R09: fffffbfff146cc8d
R10: ffff888099717ba8 R11: ffffffff8a366467 R12: ffffffff8a3c8ba0
R13: 0000000000000002 R14: 0000000000000041 R15: ffffffff8a3c8be8
 nf_sockopt net/netfilter/nf_sockopt.c:99 [inline]
 nf_getsockopt+0x30/0xe0 net/netfilter/nf_sockopt.c:122
 ip_getsockopt net/ipv4/ip_sockglue.c:1574 [inline]
 ip_getsockopt+0x1bd/0x260 net/ipv4/ip_sockglue.c:1554
 tcp_getsockopt net/ipv4/tcp.c:3591 [inline]
 tcp_getsockopt+0x95/0xf0 net/ipv4/tcp.c:3585
 sock_common_getsockopt+0x9a/0xe0 net/core/sock.c:2950
 __sys_getsockopt+0x196/0x370 net/socket.c:1939
 __do_sys_getsockopt net/socket.c:1950 [inline]
 __se_sys_getsockopt net/socket.c:1947 [inline]
 __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1947
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a9fa
Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 2d 8c fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0a 8c fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007ffe7cab3e28 EFLAGS: 00000216 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffe7cab3e50 RCX: 000000000045a9fa
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000070fe80 R08: 00007ffe7cab3e4c R09: 0000000000004000
R10: 00007ffe7cab3f50 R11: 0000000000000216 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000000 R15: 000000000070dcc0
Kernel Offset: disabled
Rebooting in 86400 seconds..