[ 36.653590] audit: type=1800 audit(1539206494.840:22): pid=5693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [ 36.680863] audit: type=1800 audit(1539206494.840:23): pid=5693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rsyslog" dev="sda1" ino=2442 res=0 [ 36.700606] audit: type=1800 audit(1539206494.850:24): pid=5693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts. 2018/10/10 21:21:45 parsed 1 programs 2018/10/10 21:21:47 executed programs: 0 syzkaller login: [ 49.048929] IPVS: ftp: loaded support on port[0] = 21 [ 49.239890] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.246338] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.253791] device bridge_slave_0 entered promiscuous mode [ 49.268368] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.275011] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.281844] device bridge_slave_1 entered promiscuous mode [ 49.296641] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.311400] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.350594] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.367172] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.423518] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.430669] team0: Port device team_slave_0 added [ 49.444691] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.451831] team0: Port device team_slave_1 added [ 49.466580] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.486450] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.502504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.518856] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.627749] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.634172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.640743] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.647124] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.023620] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 50.029699] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.071502] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.112811] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.120519] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.155625] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.161725] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.183094] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.397688] WARNING: CPU: 0 PID: 6116 at net/bridge/netfilter/ebtables.c:2086 compat_copy_entries+0x1088/0x1500 [ 50.407926] Kernel panic - not syncing: panic_on_warn set ... [ 50.407926] [ 50.415274] CPU: 0 PID: 6116 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #179 [ 50.422523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.431859] Call Trace: [ 50.434447] dump_stack+0x1c4/0x2b4 [ 50.438059] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.443234] panic+0x238/0x4e7 [ 50.446410] ? add_taint.cold.5+0x16/0x16 [ 50.450541] ? __warn.cold.8+0x148/0x1ba [ 50.454580] ? __warn.cold.8+0x117/0x1ba [ 50.458626] ? compat_copy_entries+0x1088/0x1500 [ 50.463362] __warn.cold.8+0x163/0x1ba [ 50.467235] ? compat_copy_entries+0x1088/0x1500 [ 50.471987] report_bug+0x254/0x2d0 [ 50.475598] do_error_trap+0x1fc/0x4d0 [ 50.479468] ? math_error+0x3f0/0x3f0 [ 50.483256] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 50.488253] ? lock_downgrade+0x900/0x900 [ 50.492381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.497281] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.502289] ? ___might_sleep+0x1ed/0x300 [ 50.506425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.511252] do_invalid_op+0x1b/0x20 [ 50.515087] invalid_op+0x14/0x20 [ 50.518528] RIP: 0010:compat_copy_entries+0x1088/0x1500 [ 50.523881] Code: 9e 5b a0 fa e9 31 fc ff ff e8 94 5b a0 fa 8b 9d f8 fe ff ff 31 ff 89 de e8 95 5c a0 fa 85 db 0f 84 14 fd ff ff e8 78 5b a0 fa <0f> 0b e9 51 f7 ff ff 41 bc ea ff ff ff e8 66 5b a0 fa b8 ff ff 37 [ 50.542878] RSP: 0018:ffff8801cd7c7758 EFLAGS: 00010293 [ 50.548228] RAX: ffff8801cdc38640 RBX: 0000000000000004 RCX: ffffffff86de7a0b [ 50.555484] RDX: 0000000000000000 RSI: ffffffff86de7a18 RDI: 0000000000000005 [ 50.562740] RBP: ffff8801cd7c78e0 R08: ffff8801cdc38640 R09: ffffed00397721aa [ 50.570000] R10: ffffed00397721aa R11: ffff8801cbb90d57 R12: 0000000000000000 [ 50.577258] R13: ffff8801cd7c7940 R14: dffffc0000000000 R15: ffffc90001f910fc [ 50.584529] ? compat_copy_entries+0x107b/0x1500 [ 50.589274] ? compat_copy_entries+0x1088/0x1500 [ 50.594017] ? compat_copy_entries+0x1088/0x1500 [ 50.598766] ? compat_table_info+0x650/0x650 [ 50.603158] ? xt_compat_init_offsets+0x271/0x350 [ 50.607986] ? xt_compat_flush_offsets+0x280/0x280 [ 50.612904] compat_do_replace+0x483/0x8e0 [ 50.617126] ? compat_do_ebt_get_ctl+0x910/0x910 [ 50.621873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.627399] ? cap_capable+0x1f9/0x260 [ 50.631277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.636798] ? ns_capable_common+0x13f/0x170 [ 50.641191] compat_do_ebt_set_ctl+0x2a3/0x31b [ 50.645758] ? compat_do_replace+0x8e0/0x8e0 [ 50.650159] ? mutex_unlock+0xd/0x10 [ 50.653870] ? nf_sockopt_find.constprop.0+0x221/0x290 [ 50.659130] compat_nf_setsockopt+0x9b/0x140 [ 50.663526] ? compat_do_replace+0x8e0/0x8e0 [ 50.667921] compat_ip_setsockopt+0xff/0x140 [ 50.672319] compat_udp_setsockopt+0x62/0xa0 [ 50.676711] ? udp_lib_unhash+0x970/0x970 [ 50.680843] compat_ipv6_setsockopt+0xcd/0x210 [ 50.685414] compat_udpv6_setsockopt+0x62/0xa0 [ 50.689994] compat_sock_common_setsockopt+0xb4/0x150 [ 50.695168] ? udpv6_destroy_sock+0x1b0/0x1b0 [ 50.699737] ? sock_common_setsockopt+0xe0/0xe0 [ 50.704391] __compat_sys_setsockopt+0x1b3/0x860 [ 50.709131] ? __compat_sys_getsockopt+0x8a0/0x8a0 [ 50.714051] ? trace_hardirqs_on+0xbd/0x310 [ 50.718413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.723941] ? entry_SYSENTER_compat+0x70/0x7f [ 50.728585] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.734030] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 50.739124] do_fast_syscall_32+0x34d/0xfb2 [ 50.743709] ? do_int80_syscall_32+0x890/0x890 [ 50.748280] ? entry_SYSENTER_compat+0x68/0x7f [ 50.752845] ? trace_hardirqs_off_caller+0xbb/0x310 [ 50.757870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.762713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.767570] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.772572] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 50.777576] ? prepare_exit_to_usermode+0x291/0x3b0 [ 50.782579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.787529] entry_SYSENTER_compat+0x70/0x7f [ 50.791925] RIP: 0023:0xf7f68ca9 [ 50.795282] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 50.814172] RSP: 002b:00000000ffd7b41c EFLAGS: 00000296 ORIG_RAX: 000000000000016e [ 50.821876] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 50.829135] RDX: 0000000000000080 RSI: 0000000020000540 RDI: 0000000000000180 [ 50.836393] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 50.843773] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 50.851033] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.859232] Kernel Offset: disabled [ 50.862884] Rebooting in 86400 seconds..