audit: type=1400 audit(1521939482.199:72): avc:  denied  { map } for  pid=10564 comm="syz-executor2" path=2F6D656D66643A64657620202864656C6574656429 dev="tmpfs" ino=29541 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=file permissive=1
audit: type=1400 audit(1521939482.227:73): avc:  denied  { net_bind_service } for  pid=10562 comm="syz-executor6" capability=10  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
audit: type=1400 audit(1521939482.232:74): avc:  denied  { create } for  pid=10567 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
WARNING: CPU: 0 PID: 10566 at net/ipv4/tcp_input.c:1804 tcp_sacktag_write_queue+0x1258/0x24c0 net/ipv4/tcp_input.c:1804
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 10566 Comm: syz-executor6 Not tainted 4.16.0-rc6+ #365
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x1f4/0x2b0 lib/bug.c:186
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:tcp_sacktag_write_queue+0x1258/0x24c0 net/ipv4/tcp_input.c:1804
RSP: 0018:ffff8801d3fff0b8 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff8801d72b7330 RCX: ffffffff84c72e98
RDX: 0000000000001b84 RSI: ffffc900035d3000 RDI: ffff8801b4e583b8
RBP: ffff8801d3fff1e0 R08: 1ffff1003a7ffd6b R09: 0000000000000000
R10: 0000000000000218 R11: 0000000000000000 R12: 0000000000000009
R13: ffff8801d72b6a80 R14: dffffc0000000000 R15: 0000000000000001
 tcp_ack+0x2ad1/0x51a0 net/ipv4/tcp_input.c:3582
 tcp_rcv_established+0x8d1/0x1be0 net/ipv4/tcp_input.c:5457
 tcp_v4_do_rcv+0x2ab/0x7d0 net/ipv4/tcp_ipv4.c:1469
 sk_backlog_rcv include/net/sock.h:908 [inline]
 __release_sock+0x124/0x360 net/core/sock.c:2271
 release_sock+0xa4/0x2a0 net/core/sock.c:2786
 tcp_sendmsg+0x3a/0x50 net/ipv4/tcp.c:1464
 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:764
 sock_sendmsg_nosec net/socket.c:630 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:640
 sock_write_iter+0x31a/0x5d0 net/socket.c:909
 call_write_iter include/linux/fs.h:1782 [inline]
 do_iter_readv_writev+0x55c/0x830 fs/read_write.c:653
 do_iter_write+0x154/0x540 fs/read_write.c:932
 vfs_writev+0x18a/0x340 fs/read_write.c:977
 do_writev+0xfc/0x2a0 fs/read_write.c:1012
 SYSC_writev fs/read_write.c:1085 [inline]
 SyS_writev+0x27/0x30 fs/read_write.c:1082
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454239
RSP: 002b:00007f0d6d631c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f0d6d6326d4 RCX: 0000000000454239
RDX: 0000000000000001 RSI: 0000000020001040 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000680 R14: 00000000006faca0 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..