[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.245998] audit: type=1800 audit(1539229879.762:25): pid=5667 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 35.276241] audit: type=1800 audit(1539229879.762:26): pid=5667 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 35.302829] audit: type=1800 audit(1539229879.762:27): pid=5667 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 '10.128.0.46' (ECDSA) to the list of known hosts. 2018/10/11 03:51:32 parsed 1 programs 2018/10/11 03:51:34 executed programs: 0 syzkaller login: [ 49.977062] IPVS: ftp: loaded support on port[0] = 21 [ 50.167575] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.174018] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.181199] device bridge_slave_0 entered promiscuous mode [ 50.195708] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.202092] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.209115] device bridge_slave_1 entered promiscuous mode [ 50.223044] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.237626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.276642] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.293146] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.349627] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.356659] team0: Port device team_slave_0 added [ 50.370376] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.377407] team0: Port device team_slave_1 added [ 50.391844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.412056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.427642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.444045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.552013] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.558412] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.564977] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.571347] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.944047] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 50.950454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.990786] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.030669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.037658] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.077075] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.083534] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.118405] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.320312] WARNING: CPU: 0 PID: 6090 at net/bridge/netfilter/ebtables.c:2086 compat_copy_entries+0x1088/0x1500 [ 51.330570] Kernel panic - not syncing: panic_on_warn set ... [ 51.330570] [ 51.337917] CPU: 0 PID: 6090 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #180 [ 51.345167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.354500] Call Trace: [ 51.357073] dump_stack+0x1c4/0x2b4 [ 51.360688] ? dump_stack_print_info.cold.2+0x52/0x52 [ 51.365864] panic+0x238/0x4e7 [ 51.369040] ? add_taint.cold.5+0x16/0x16 [ 51.373170] ? __warn.cold.8+0x148/0x1ba [ 51.377213] ? __warn.cold.8+0x117/0x1ba [ 51.381260] ? compat_copy_entries+0x1088/0x1500 [ 51.385998] __warn.cold.8+0x163/0x1ba [ 51.389886] ? compat_copy_entries+0x1088/0x1500 [ 51.394629] report_bug+0x254/0x2d0 [ 51.398243] do_error_trap+0x1fc/0x4d0 [ 51.402129] ? math_error+0x3f0/0x3f0 [ 51.405912] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 51.410909] ? lock_downgrade+0x900/0x900 [ 51.415038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.419862] ? trace_hardirqs_on_caller+0x310/0x310 [ 51.424888] ? ___might_sleep+0x1ed/0x300 [ 51.429022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.433848] do_invalid_op+0x1b/0x20 [ 51.437548] invalid_op+0x14/0x20 [ 51.440988] RIP: 0010:compat_copy_entries+0x1088/0x1500 [ 51.446333] 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 [ 51.465221] RSP: 0018:ffff8801b9c077c8 EFLAGS: 00010293 [ 51.470572] RAX: ffff8801cd528580 RBX: 0000000000000004 RCX: ffffffff86de7a0b [ 51.477828] RDX: 0000000000000000 RSI: ffffffff86de7a18 RDI: 0000000000000005 [ 51.485079] RBP: ffff8801b9c07950 R08: ffff8801cd528580 R09: ffffed00397655aa [ 51.492349] R10: ffffed00397655aa R11: ffff8801cbb2ad57 R12: 0000000000000000 [ 51.499602] R13: ffff8801b9c079b0 R14: dffffc0000000000 R15: ffffc90001f7518c [ 51.506866] ? compat_copy_entries+0x107b/0x1500 [ 51.511604] ? compat_copy_entries+0x1088/0x1500 [ 51.516343] ? compat_copy_entries+0x1088/0x1500 [ 51.521089] ? compat_table_info+0x650/0x650 [ 51.525481] ? xt_compat_init_offsets+0x271/0x350 [ 51.530310] ? xt_compat_flush_offsets+0x280/0x280 [ 51.535224] compat_do_replace+0x483/0x8e0 [ 51.539443] ? compat_do_ebt_get_ctl+0x910/0x910 [ 51.544184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.549704] ? cap_capable+0x1f9/0x260 [ 51.553587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.559105] ? ns_capable_common+0x13f/0x170 [ 51.563504] compat_do_ebt_set_ctl+0x2a3/0x31b [ 51.568070] ? compat_do_replace+0x8e0/0x8e0 [ 51.572470] ? mutex_unlock+0xd/0x10 [ 51.576172] ? nf_sockopt_find.constprop.0+0x221/0x290 [ 51.581436] compat_nf_setsockopt+0x9b/0x140 [ 51.585827] ? compat_do_replace+0x8e0/0x8e0 [ 51.590218] compat_ip_setsockopt+0xff/0x140 [ 51.594610] compat_raw_setsockopt+0xe2/0x100 [ 51.599092] compat_sock_common_setsockopt+0xb4/0x150 [ 51.604266] ? raw_seticmpfilter+0x90/0x90 [ 51.608492] ? sock_common_setsockopt+0xe0/0xe0 [ 51.613143] __compat_sys_setsockopt+0x1b3/0x860 [ 51.617883] ? __compat_sys_getsockopt+0x8a0/0x8a0 [ 51.622800] ? trace_hardirqs_on+0xbd/0x310 [ 51.627102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.632636] ? entry_SYSENTER_compat+0x70/0x7f [ 51.637203] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 51.642639] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 51.647727] do_fast_syscall_32+0x34d/0xfb2 [ 51.652037] ? do_int80_syscall_32+0x890/0x890 [ 51.656604] ? entry_SYSENTER_compat+0x68/0x7f [ 51.661169] ? trace_hardirqs_off_caller+0xbb/0x310 [ 51.666179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.671004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.675840] ? trace_hardirqs_on_caller+0x310/0x310 [ 51.680852] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 51.685850] ? prepare_exit_to_usermode+0x291/0x3b0 [ 51.690864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.695693] entry_SYSENTER_compat+0x70/0x7f [ 51.700085] RIP: 0023:0xf7f82ca9 [ 51.703459] 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 [ 51.722355] RSP: 002b:00000000ffce922c EFLAGS: 00000296 ORIG_RAX: 000000000000016e [ 51.730046] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 51.737292] RDX: 0000000000000080 RSI: 00000000200004c0 RDI: 00000000000001e0 [ 51.744540] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.751792] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.759046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.767186] Kernel Offset: disabled [ 51.770811] Rebooting in 86400 seconds..