------------[ cut here ]------------
AppArmor WARN apparmor_secid_to_secctx: ((!secdata)): 
WARNING: CPU: 0 PID: 27607 at security/apparmor/secid.c:82 apparmor_secid_to_secctx+0x2b1/0x2f0 security/apparmor/secid.c:82
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 27607 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #96
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993
RIP: 0010:apparmor_secid_to_secctx+0x2b1/0x2f0 security/apparmor/secid.c:82
Code: c7 c7 00 67 3f 88 e8 8e 4f f4 fd 0f 0b e9 6c fe ff ff e8 c2 64 2a fe 48 c7 c6 40 68 3f 88 48 c7 c7 60 66 3f 88 e8 6f 4f f4 fd <0f> 0b e9 3f fe ff ff 48 89 df e8 90 c8 6d fe e9 ed fe ff ff bb f4
RSP: 0018:ffff8801a33c5b28 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8801a33c5ce8 RCX: ffffc90002049000
RDX: 000000000001690a RSI: ffffffff8164f825 RDI: 0000000000000005
RBP: ffff8801a33c5b48 R08: ffff8801a1ab4500 R09: ffffed003b5c3ee2
R10: ffffed003b5c3ee2 R11: ffff8801dae1f717 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801a33c5ce8
 security_secid_to_secctx+0x64/0xc0 security/security.c:1314
 ctnetlink_secctx_size net/netfilter/nf_conntrack_netlink.c:621 [inline]
 ctnetlink_nlmsg_size net/netfilter/nf_conntrack_netlink.c:659 [inline]
 ctnetlink_conntrack_event+0x303/0x1470 net/netfilter/nf_conntrack_netlink.c:706
 nf_ct_deliver_cached_events+0x4e3/0x7d0 net/netfilter/nf_conntrack_ecache.c:215
 nf_conntrack_confirm include/net/netfilter/nf_conntrack_core.h:64 [inline]
 ipv6_confirm+0x571/0x680 net/netfilter/nf_conntrack_proto.c:686
 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline]
 nf_hook_slow+0xc2/0x1c0 net/netfilter/core.c:511
 nf_hook include/linux/netfilter.h:242 [inline]
 NF_HOOK_COND include/linux/netfilter.h:275 [inline]
 ip6_output+0x72f/0xa00 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:287 [inline]
 ip6_xmit+0xf67/0x23f0 net/ipv6/ip6_output.c:277
 sctp_v6_xmit+0x3e7/0x830 net/sctp/ipv6.c:230
 sctp_packet_transmit+0x2bb2/0x4160 net/sctp/output.c:650
 sctp_outq_flush_transports net/sctp/outqueue.c:1165 [inline]
 sctp_outq_flush+0x5bb/0x3360 net/sctp/outqueue.c:1213
 sctp_outq_uncork+0x6a/0x80 net/sctp/outqueue.c:776
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline]
 sctp_do_sm+0x897/0x7450 net/sctp/sm_sideeffect.c:1191
 sctp_assoc_bh_rcv+0x346/0x670 net/sctp/associola.c:1067
 sctp_inq_push+0x280/0x370 net/sctp/inqueue.c:95
 sctp_backlog_rcv+0x1a8/0xd50 net/sctp/input.c:351
 sk_backlog_rcv include/net/sock.h:931 [inline]
 __release_sock+0x12f/0x3a0 net/core/sock.c:2336
 release_sock+0xad/0x2c0 net/core/sock.c:2849
 sctp_wait_for_connect+0x3a0/0x680 net/sctp/socket.c:8666
 sctp_sendmsg_to_asoc+0x1dcc/0x2310 net/sctp/socket.c:1984
 sctp_sendmsg+0x13f6/0x1dd0 net/sctp/socket.c:2130
 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:631
 __sys_sendto+0x3d7/0x670 net/socket.c:1786
 __do_sys_sendto net/socket.c:1798 [inline]
 __se_sys_sendto net/socket.c:1794 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1794
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4572d9
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fec4a4a5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fec4a4a66d4 RCX: 00000000004572d9
RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 0000000000930140 R08: 000000002005ffe4 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d5048 R14: 00000000004c94c2 R15: 0000000000000001
Kernel Offset: disabled
Rebooting in 86400 seconds..