[ 36.907165] audit: type=1800 audit(1539238646.598:23): pid=5692 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rsyslog" dev="sda1" ino=2442 res=0 [ 36.930415] audit: type=1800 audit(1539238646.598:24): pid=5692 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. [ 37.489464] audit: type=1800 audit(1539238647.228:25): pid=5692 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 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 '10.128.0.116' (ECDSA) to the list of known hosts. 2018/10/11 06:17:38 parsed 1 programs 2018/10/11 06:17:40 executed programs: 0 syzkaller login: [ 50.723669] IPVS: ftp: loaded support on port[0] = 21 [ 50.912506] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.918909] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.926043] device bridge_slave_0 entered promiscuous mode [ 50.941791] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.948174] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.955179] device bridge_slave_1 entered promiscuous mode [ 50.969341] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.985177] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.025231] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.042815] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.102704] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.110853] team0: Port device team_slave_0 added [ 51.124811] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.132303] team0: Port device team_slave_1 added [ 51.146040] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.161939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.179157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.195886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.306085] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.312468] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.319132] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.325532] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.704543] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.710674] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.751545] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.791143] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.799401] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.841958] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.849211] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.860518] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.090116] WARNING: CPU: 1 PID: 6113 at net/bridge/netfilter/ebtables.c:2086 compat_copy_entries+0x1088/0x1500 [ 52.100388] Kernel panic - not syncing: panic_on_warn set ... [ 52.100388] [ 52.107762] CPU: 1 PID: 6113 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #180 [ 52.115138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.124513] Call Trace: [ 52.127140] dump_stack+0x1c4/0x2b4 [ 52.130786] ? dump_stack_print_info.cold.2+0x52/0x52 [ 52.136001] panic+0x238/0x4e7 [ 52.139279] ? add_taint.cold.5+0x16/0x16 [ 52.143443] ? __warn.cold.8+0x148/0x1ba [ 52.147528] ? __warn.cold.8+0x117/0x1ba [ 52.151586] ? compat_copy_entries+0x1088/0x1500 [ 52.156347] __warn.cold.8+0x163/0x1ba [ 52.160237] ? compat_copy_entries+0x1088/0x1500 [ 52.165008] report_bug+0x254/0x2d0 [ 52.168664] do_error_trap+0x1fc/0x4d0 [ 52.172569] ? math_error+0x3f0/0x3f0 [ 52.176454] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 52.181497] ? lock_downgrade+0x900/0x900 [ 52.185640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.190478] ? trace_hardirqs_on_caller+0x310/0x310 [ 52.196020] ? ___might_sleep+0x1ed/0x300 [ 52.200776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.205617] do_invalid_op+0x1b/0x20 [ 52.209324] invalid_op+0x14/0x20 [ 52.212769] RIP: 0010:compat_copy_entries+0x1088/0x1500 [ 52.218383] 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 [ 52.237806] RSP: 0018:ffff8801d317f788 EFLAGS: 00010293 [ 52.243169] RAX: ffff8801ce26e6c0 RBX: 0000000000000004 RCX: ffffffff86de7a0b [ 52.250722] RDX: 0000000000000000 RSI: ffffffff86de7a18 RDI: 0000000000000005 [ 52.257982] RBP: ffff8801d317f910 R08: ffff8801ce26e6c0 R09: ffffed00397695aa [ 52.265254] R10: ffffed00397695aa R11: ffff8801cbb4ad57 R12: 0000000000000000 [ 52.272685] R13: ffff8801d317f970 R14: dffffc0000000000 R15: ffffc90001f8d11c [ 52.280057] ? compat_copy_entries+0x107b/0x1500 [ 52.284821] ? compat_copy_entries+0x1088/0x1500 [ 52.290106] ? compat_copy_entries+0x1088/0x1500 [ 52.294876] ? compat_table_info+0x650/0x650 [ 52.299379] ? xt_compat_init_offsets+0x271/0x350 [ 52.304744] ? xt_compat_flush_offsets+0x280/0x280 [ 52.309672] compat_do_replace+0x483/0x8e0 [ 52.313905] ? compat_do_ebt_get_ctl+0x910/0x910 [ 52.318920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.324469] ? cap_capable+0x1f9/0x260 [ 52.329150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.334686] ? ns_capable_common+0x13f/0x170 [ 52.339092] compat_do_ebt_set_ctl+0x2a3/0x31b [ 52.344384] ? compat_do_replace+0x8e0/0x8e0 [ 52.348807] ? mutex_unlock+0xd/0x10 [ 52.352520] ? nf_sockopt_find.constprop.0+0x221/0x290 [ 52.358053] compat_nf_setsockopt+0x9b/0x140 [ 52.362886] ? compat_do_replace+0x8e0/0x8e0 [ 52.367291] compat_ip_setsockopt+0xff/0x140 [ 52.371976] inet_csk_compat_setsockopt+0x97/0x120 [ 52.377342] ? ip_setsockopt+0xf0/0xf0 [ 52.381750] compat_tcp_setsockopt+0x49/0x80 [ 52.386165] compat_sock_common_setsockopt+0xb4/0x150 [ 52.391621] ? tcp_setsockopt+0xe0/0xe0 [ 52.395602] ? sock_common_setsockopt+0xe0/0xe0 [ 52.400282] __compat_sys_setsockopt+0x1b3/0x860 [ 52.405034] ? __compat_sys_getsockopt+0x8a0/0x8a0 [ 52.409956] ? trace_hardirqs_on+0xbd/0x310 [ 52.414382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.420194] ? entry_SYSENTER_compat+0x70/0x7f [ 52.424797] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 52.430243] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 52.438824] do_fast_syscall_32+0x34d/0xfb2 [ 52.443418] ? do_int80_syscall_32+0x890/0x890 [ 52.449560] ? entry_SYSENTER_compat+0x68/0x7f [ 52.455179] ? trace_hardirqs_off_caller+0xbb/0x310 [ 52.460194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.465024] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.470413] ? trace_hardirqs_on_caller+0x310/0x310 [ 52.475604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 52.481172] ? prepare_exit_to_usermode+0x291/0x3b0 [ 52.486521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.491390] entry_SYSENTER_compat+0x70/0x7f [ 52.495808] RIP: 0023:0xf7f89ca9 [ 52.499169] 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 [ 52.518349] RSP: 002b:00000000ffbd3a1c EFLAGS: 00000296 ORIG_RAX: 000000000000016e [ 52.526057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 52.533840] RDX: 0000000000000080 RSI: 0000000020000100 RDI: 00000000000001a0 [ 52.541100] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 52.548882] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 52.556751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.565290] Kernel Offset: disabled [ 52.568946] Rebooting in 86400 seconds..