audit: audit_backlog=23 > audit_backlog_limit=7 audit: audit_lost=1 audit_rate_limit=0 audit_backlog_limit=7 Kernel panic - not syncing: audit: backlog limit exceeded CPU: 1 PID: 1891 Comm: syz-executor837 Not tainted 5.4.21-syzkaller-00756-ge12432318607 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b0/0x228 lib/dump_stack.c:118 panic+0x26c/0x719 kernel/panic.c:221 audit_panic kernel/audit.c:306 [inline] audit_log_lost+0x1d7/0x1e0 kernel/audit.c:376 audit_log_start+0x55b/0x9a0 kernel/audit.c:1795 audit_log+0x99/0x130 kernel/audit.c:2343 xt_replace_table+0x61b/0x7a0 net/netfilter/x_tables.c:1413 xt_register_table+0x238/0x590 net/netfilter/x_tables.c:1452 arpt_register_table+0x161/0x6d0 net/ipv4/netfilter/arp_tables.c:1559 arptable_filter_table_init+0x7b/0xa0 net/ipv4/netfilter/arptable_filter.c:53 xt_find_table_lock+0x251/0x3a0 net/netfilter/x_tables.c:1223 xt_request_find_table_lock+0x27/0xc0 net/netfilter/x_tables.c:1253 get_info+0x1c3/0x530 net/ipv4/netfilter/arp_tables.c:808 do_arpt_get_ctl+0x151/0x9a0 net/ipv4/netfilter/arp_tables.c:1485 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x28e/0x2b0 net/netfilter/nf_sockopt.c:122 ip_getsockopt+0x13c/0x230 net/ipv4/ip_sockglue.c:1576 tcp_getsockopt+0xbe/0xd0 net/ipv4/tcp.c:3691 sock_common_getsockopt+0x99/0xb0 net/core/sock.c:3110 __sys_getsockopt+0x1f4/0x360 net/socket.c:2130 __do_sys_getsockopt net/socket.c:2145 [inline] __se_sys_getsockopt net/socket.c:2142 [inline] __x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2142 do_syscall_64+0xc0/0x100 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x44494a Code: b8 10 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 8d df fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6a df fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffe7e51b1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00000000004a31c9 RCX: 000000000044494a RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007ffe7e51b1cc R09: 0000000000000000 R10: 00000000006cd448 R11: 0000000000000246 R12: 00000000006ccdc8 R13: 0000000000402dd0 R14: 0000000000000000 R15: 0000000000000000 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..