audit: type=1400 audit(1575411655.409:456): avc: denied { create } for pid=25305 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=0 netlink: 1 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 25310 at net/packet/af_packet.c:4167 packet_set_ring+0x13f1/0x1940 net/packet/af_packet.c:4167() Tx-ring is not supported. netlink: 1 bytes leftover after parsing attributes in process `syz-executor.2'. Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 25310 Comm: syz-executor.4 Not tainted 4.4.174+ #4 0000000000000000 50b9b614be8314e3 ffff8800a61f7988 ffffffff81aad1a1 ffff8800a61f7ad8 ffffffff82835ee0 ffffffff82ab2b80 0000000000001047 ffffffff826d3941 ffff8800a61f7a68 ffffffff813a48c2 0000000041b58ab3 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] panic+0x1b9/0x37b kernel/panic.c:112 [] warn_slowpath_common kernel/panic.c:455 [inline] [] warn_slowpath_common.cold+0x20/0x20 kernel/panic.c:435 [] warn_slowpath_fmt+0xbf/0x100 kernel/panic.c:471 [] packet_set_ring+0x13f1/0x1940 net/packet/af_packet.c:4167 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=23966 sclass=netlink_route_socket [] packet_setsockopt+0x2af/0x26c0 net/packet/af_packet.c:3610 [] SYSC_setsockopt net/socket.c:1780 [inline] [] SyS_setsockopt+0x159/0x240 net/socket.c:1759 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Kernel Offset: disabled Rebooting in 86400 seconds..