bond0: Invalid MTU 3 requested, hw min 68 audit: type=1400 audit(1520343291.431:18): avc: denied { map_create } for pid=5774 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 WARNING: CPU: 0 PID: 5786 at net/bridge/netfilter/ebtables.c:2063 ebt_size_mwt net/bridge/netfilter/ebtables.c:2063 [inline] WARNING: CPU: 0 PID: 5786 at net/bridge/netfilter/ebtables.c:2063 size_entry_mwt net/bridge/netfilter/ebtables.c:2140 [inline] WARNING: CPU: 0 PID: 5786 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 net/bridge/netfilter/ebtables.c:2179 Kernel panic - not syncing: panic_on_warn set ... audit: type=1400 audit(1520343291.434:19): avc: denied { map_read map_write } for pid=5774 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 CPU: 0 PID: 5786 Comm: syz-executor7 Not tainted 4.16.0-rc4+ #252 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+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+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:ebt_size_mwt net/bridge/netfilter/ebtables.c:2063 [inline] RIP: 0010:size_entry_mwt net/bridge/netfilter/ebtables.c:2140 [inline] RIP: 0010:compat_copy_entries+0xd92/0x1150 net/bridge/netfilter/ebtables.c:2179 RSP: 0018:ffff8801d8f377e8 EFLAGS: 00010216 RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffffff851ad5c2 RDX: 0000000000000529 RSI: ffffc90002090000 RDI: 0000000000000000 RBP: ffff8801d8f37968 R08: 0000000000000004 R09: 0000000000000000 R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000007 R13: dffffc0000000000 R14: ffff8801d8f379c8 R15: 000000000000000c compat_do_replace+0x398/0x7d0 net/bridge/netfilter/ebtables.c:2268 compat_do_ebt_set_ctl+0x22a/0x2d0 net/bridge/netfilter/ebtables.c:2350 compat_nf_sockopt net/netfilter/nf_sockopt.c:144 [inline] compat_nf_setsockopt+0x88/0x130 net/netfilter/nf_sockopt.c:156 compat_ip_setsockopt+0x8b/0xd0 net/ipv4/ip_sockglue.c:1285 inet_csk_compat_setsockopt+0x95/0x120 net/ipv4/inet_connection_sock.c:1041 compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2916 compat_sock_common_setsockopt+0xb2/0x140 net/core/sock.c:2986 C_SYSC_setsockopt net/compat.c:403 [inline] compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386 do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] do_fast_syscall_32+0x3ec/0xf9f arch/x86/entry/common.c:392 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 RIP: 0023:0xf7fc8c99 RSP: 002b:00000000f77c409c EFLAGS: 00000286 ORIG_RAX: 000000000000016e RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000000000000 RDX: 0000000000000080 RSI: 0000000020000340 RDI: 00000000000002f8 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..