audit: type=1305 audit(1582534915.969:41): audit_pid=0 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 audit: type=1305 audit(1582534915.969:42): audit_rate_limit=0 old=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 audit: audit_backlog=13 > audit_backlog_limit=7 audit: type=1305 audit(1582534915.969:43): audit_backlog_limit=7 old=64 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 res=1 audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=7 Kernel panic - not syncing: audit: backlog limit exceeded CPU: 1 PID: 7255 Comm: syz-executor057 Not tainted 4.14.171-syzkaller #0 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+0x142/0x197 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 audit_panic.cold+0x32/0x32 kernel/audit.c:280 audit_log_lost kernel/audit.c:350 [inline] audit_log_lost+0x56/0x100 kernel/audit.c:322 audit_log_start kernel/audit.c:1734 [inline] audit_log_start+0x5e5/0x690 kernel/audit.c:1690 audit_log+0x85/0x100 kernel/audit.c:2336 xt_replace_table+0x446/0x620 net/netfilter/x_tables.c:1266 __do_replace+0x191/0x5b0 net/ipv4/netfilter/ip_tables.c:1069 do_replace net/ipv4/netfilter/ip_tables.c:1142 [inline] do_ipt_set_ctl+0x296/0x3ee net/ipv4/netfilter/ip_tables.c:1674 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt net/ipv4/ip_sockglue.c:1255 [inline] ip_setsockopt+0x9b/0xb0 net/ipv4/ip_sockglue.c:1240 tcp_setsockopt net/ipv4/tcp.c:2826 [inline] tcp_setsockopt+0x84/0xd0 net/ipv4/tcp.c:2820 sock_common_setsockopt+0x94/0xd0 net/core/sock.c:2968 SYSC_setsockopt net/socket.c:1865 [inline] SyS_setsockopt+0x13c/0x210 net/socket.c:1844 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x44720a RSP: 002b:00007ffd8589a678 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044720a RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ffd8589a7a0 R08: 0000000000000408 R09: 0000000000004000 R10: 00000000006daa80 R11: 0000000000000202 R12: 00007ffd8589a6a0 R13: 00000000006dbf20 R14: 0000000000000000 R15: 00000000006daae0 Kernel Offset: disabled Rebooting in 86400 seconds..