[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 34.593236] audit: type=1800 audit(1539223055.918:25): pid=5665 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 34.612264] audit: type=1800 audit(1539223055.928:26): pid=5665 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 34.679302] audit: type=1800 audit(1539223056.008:27): pid=5665 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.10.31' (ECDSA) to the list of known hosts. 2018/10/11 01:57:58 parsed 1 programs 2018/10/11 01:58:00 executed programs: 0 syzkaller login: [ 59.496337] IPVS: ftp: loaded support on port[0] = 21 [ 59.679959] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.686420] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.693485] device bridge_slave_0 entered promiscuous mode [ 59.709082] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.715484] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.722283] device bridge_slave_1 entered promiscuous mode [ 59.736426] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 59.750872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.789302] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.805974] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.861535] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.868702] team0: Port device team_slave_0 added [ 59.881836] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.889086] team0: Port device team_slave_1 added [ 59.902530] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.922907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.939534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.955622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.061972] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.068408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.075077] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.081411] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.450421] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 60.457011] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.496899] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.538528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.545591] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.579441] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 60.585541] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.623483] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.819904] WARNING: CPU: 1 PID: 6086 at net/bridge/netfilter/ebtables.c:2086 compat_copy_entries+0x1088/0x1500 [ 60.830265] Kernel panic - not syncing: panic_on_warn set ... [ 60.830265] [ 60.837681] CPU: 1 PID: 6086 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #180 [ 60.845033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.854367] Call Trace: [ 60.856942] dump_stack+0x1c4/0x2b4 [ 60.860573] ? dump_stack_print_info.cold.2+0x52/0x52 [ 60.865935] panic+0x238/0x4e7 [ 60.869115] ? add_taint.cold.5+0x16/0x16 [ 60.873247] ? __warn.cold.8+0x148/0x1ba [ 60.877295] ? __warn.cold.8+0x117/0x1ba [ 60.881440] ? compat_copy_entries+0x1088/0x1500 [ 60.886188] __warn.cold.8+0x163/0x1ba [ 60.890072] ? compat_copy_entries+0x1088/0x1500 [ 60.894816] report_bug+0x254/0x2d0 [ 60.898555] do_error_trap+0x1fc/0x4d0 [ 60.902474] ? math_error+0x3f0/0x3f0 [ 60.906341] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 60.911359] ? lock_downgrade+0x900/0x900 [ 60.915488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.920322] ? trace_hardirqs_on_caller+0x310/0x310 [ 60.925329] ? ___might_sleep+0x1ed/0x300 [ 60.929465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.934425] do_invalid_op+0x1b/0x20 [ 60.938128] invalid_op+0x14/0x20 [ 60.941565] RIP: 0010:compat_copy_entries+0x1088/0x1500 [ 60.946911] 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 [ 60.965903] RSP: 0018:ffff8801cd94f7c8 EFLAGS: 00010293 [ 60.971248] RAX: ffff8801cd5f6280 RBX: 0000000000000004 RCX: ffffffff86de7a0b [ 60.978627] RDX: 0000000000000000 RSI: ffffffff86de7a18 RDI: 0000000000000005 [ 60.986137] RBP: ffff8801cd94f950 R08: ffff8801cd5f6280 R09: ffffed0039775daa [ 60.993403] R10: ffffed0039775daa R11: ffff8801cbbaed57 R12: 0000000000000000 [ 61.000661] R13: ffff8801cd94f9b0 R14: dffffc0000000000 R15: ffffc90001f5d12c [ 61.008048] ? compat_copy_entries+0x107b/0x1500 [ 61.012918] ? compat_copy_entries+0x1088/0x1500 [ 61.017742] ? compat_copy_entries+0x1088/0x1500 [ 61.022587] ? compat_table_info+0x650/0x650 [ 61.027151] ? xt_compat_init_offsets+0x271/0x350 [ 61.031997] ? xt_compat_flush_offsets+0x280/0x280 [ 61.036921] compat_do_replace+0x483/0x8e0 [ 61.041150] ? compat_do_ebt_get_ctl+0x910/0x910 [ 61.045922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.051440] ? cap_capable+0x1f9/0x260 [ 61.055314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.060840] ? ns_capable_common+0x13f/0x170 [ 61.065273] compat_do_ebt_set_ctl+0x2a3/0x31b [ 61.069959] ? compat_do_replace+0x8e0/0x8e0 [ 61.074354] ? mutex_unlock+0xd/0x10 [ 61.078050] ? nf_sockopt_find.constprop.0+0x221/0x290 [ 61.083311] compat_nf_setsockopt+0x9b/0x140 [ 61.087698] ? compat_do_replace+0x8e0/0x8e0 [ 61.092094] compat_ip_setsockopt+0xff/0x140 [ 61.096496] compat_udp_setsockopt+0x62/0xa0 [ 61.101009] compat_sock_common_setsockopt+0xb4/0x150 [ 61.106189] ? udp_lib_unhash+0x970/0x970 [ 61.110421] ? sock_common_setsockopt+0xe0/0xe0 [ 61.115297] __compat_sys_setsockopt+0x1b3/0x860 [ 61.120052] ? __compat_sys_getsockopt+0x8a0/0x8a0 [ 61.125186] ? trace_hardirqs_on+0xbd/0x310 [ 61.129519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.135061] ? entry_SYSENTER_compat+0x70/0x7f [ 61.139651] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 61.145091] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 61.150181] do_fast_syscall_32+0x34d/0xfb2 [ 61.154511] ? do_int80_syscall_32+0x890/0x890 [ 61.159181] ? entry_SYSENTER_compat+0x68/0x7f [ 61.163756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 61.168755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.173642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.178487] ? trace_hardirqs_on_caller+0x310/0x310 [ 61.183493] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 61.188498] ? prepare_exit_to_usermode+0x291/0x3b0 [ 61.193602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.198438] entry_SYSENTER_compat+0x70/0x7f [ 61.202875] RIP: 0023:0xf7fa0ca9 [ 61.206279] 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 [ 61.225169] RSP: 002b:00000000ff90155c EFLAGS: 00000296 ORIG_RAX: 000000000000016e [ 61.232865] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 61.240122] RDX: 0000000000000080 RSI: 0000000020000100 RDI: 0000000000000180 [ 61.247643] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 61.254895] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 61.262144] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.270647] Kernel Offset: disabled [ 61.274274] Rebooting in 86400 seconds..