audit: type=1400 audit(1515595533.998:7): avc:  denied  { map } for  pid=3500 comm="syzkaller943466" path="/root/syzkaller943466310" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
tc_ctl_action: received NO action attribs
WARNING: CPU: 0 PID: 3500 at net/netlink/af_netlink.c:2398 netlink_ack+0x625/0xa10 net/netlink/af_netlink.c:2396
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 3500 Comm: syzkaller943466 Not tainted 4.15.0-rc7+ #181
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+0x194/0x257 lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 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+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:netlink_ack+0x625/0xa10 net/netlink/af_netlink.c:2396
RSP: 0018:ffff8801c027f790 EFLAGS: 00010293
RAX: ffff8801ca9ee580 RBX: ffff8801c2f31700 RCX: ffffffff8457a135
RDX: 0000000000000000 RSI: ffff8801c03af770 RDI: ffff8801c2f317d8
RBP: ffff8801c027f848 R08: ffffed003815cb0d R09: ffffed003815cb0d
R10: 0000000000000003 R11: ffffed003815cb0c R12: ffff8801c03af740
R13: ffff8801c0ae5840 R14: ffff8801c2f31480 R15: 1ffff1003804fef8
 netlink_rcv_skb+0x375/0x470 net/netlink/af_netlink.c:2447
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4540
 netlink_unicast_kernel net/netlink/af_netlink.c:1308 [inline]
 netlink_unicast+0x4c4/0x6b0 net/netlink/af_netlink.c:1334
 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1897
 sock_sendmsg_nosec net/socket.c:628 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:638
 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2018
 __sys_sendmsg+0xe5/0x210 net/socket.c:2052
 SYSC_sendmsg net/socket.c:2063 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2059
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x440c39
RSP: 002b:00007ffd8dfe2dc8 EFLAGS: 00000217 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440c39
RDX: 0000000000008800 RSI: 00000000201dcfc8 RDI: 0000000000000003
RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000217 R12: 00000000004025a0
R13: 0000000000402630 R14: 0000000000000000 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..