[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.134905] audit: type=1800 audit(1539225237.664:25): pid=5650 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 35.160418] audit: type=1800 audit(1539225237.664:26): pid=5650 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 35.180404] audit: type=1800 audit(1539225237.674:27): pid=5650 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 '10.128.0.33' (ECDSA) to the list of known hosts. 2018/10/11 02:34:10 parsed 1 programs 2018/10/11 02:34:11 executed programs: 0 syzkaller login: [ 49.283513] IPVS: ftp: loaded support on port[0] = 21 [ 49.467896] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.474551] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.481697] device bridge_slave_0 entered promiscuous mode [ 49.496195] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.502609] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.509525] device bridge_slave_1 entered promiscuous mode [ 49.523897] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 49.538677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.580072] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.597032] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.654866] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.662058] team0: Port device team_slave_0 added [ 49.676117] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.683488] team0: Port device team_slave_1 added [ 49.697243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.717647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.734165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.750547] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.856877] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.863262] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.869925] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.876330] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.249093] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 50.255503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.294423] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.334453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.342522] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.377134] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.383623] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.419531] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.620826] WARNING: CPU: 0 PID: 6074 at net/bridge/netfilter/ebtables.c:2086 compat_copy_entries+0x1088/0x1500 [ 50.631136] Kernel panic - not syncing: panic_on_warn set ... [ 50.631136] [ 50.638632] CPU: 0 PID: 6074 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #180 [ 50.645935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.655281] Call Trace: [ 50.657864] dump_stack+0x1c4/0x2b4 [ 50.661481] ? dump_stack_print_info.cold.2+0x52/0x52 [ 50.666657] panic+0x238/0x4e7 [ 50.669834] ? add_taint.cold.5+0x16/0x16 [ 50.673970] ? __warn.cold.8+0x148/0x1ba [ 50.678014] ? __warn.cold.8+0x117/0x1ba [ 50.682060] ? compat_copy_entries+0x1088/0x1500 [ 50.686833] __warn.cold.8+0x163/0x1ba [ 50.690720] ? kasan_check_write+0x14/0x20 [ 50.694941] ? compat_copy_entries+0x1088/0x1500 [ 50.699687] report_bug+0x254/0x2d0 [ 50.703355] do_error_trap+0x1fc/0x4d0 [ 50.707231] ? math_error+0x3f0/0x3f0 [ 50.711020] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 50.716021] ? lock_downgrade+0x900/0x900 [ 50.720155] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.724983] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.729985] ? ___might_sleep+0x1ed/0x300 [ 50.734118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.738942] do_invalid_op+0x1b/0x20 [ 50.742639] invalid_op+0x14/0x20 [ 50.746076] RIP: 0010:compat_copy_entries+0x1088/0x1500 [ 50.751465] 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 [ 50.770365] RSP: 0018:ffff8801cd47f788 EFLAGS: 00010293 [ 50.775726] RAX: ffff8801d2e58180 RBX: 0000000000000004 RCX: ffffffff86de7a0b [ 50.782984] RDX: 0000000000000000 RSI: ffffffff86de7a18 RDI: 0000000000000005 [ 50.790243] RBP: ffff8801cd47f910 R08: ffff8801d2e58180 R09: ffffed00397635aa [ 50.797498] R10: ffffed00397635aa R11: ffff8801cbb1ad57 R12: 0000000000000000 [ 50.804749] R13: ffff8801cd47f970 R14: dffffc0000000000 R15: ffffc90001f6d34c [ 50.812013] ? compat_copy_entries+0x107b/0x1500 [ 50.816754] ? compat_copy_entries+0x1088/0x1500 [ 50.821500] ? compat_copy_entries+0x1088/0x1500 [ 50.826242] ? compat_table_info+0x650/0x650 [ 50.830749] ? xt_compat_init_offsets+0x271/0x350 [ 50.835583] ? xt_compat_flush_offsets+0x280/0x280 [ 50.840551] compat_do_replace+0x483/0x8e0 [ 50.844900] ? compat_do_ebt_get_ctl+0x910/0x910 [ 50.849651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.855173] ? cap_capable+0x1f9/0x260 [ 50.859046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.864569] ? ns_capable_common+0x13f/0x170 [ 50.868962] compat_do_ebt_set_ctl+0x2a3/0x31b [ 50.873528] ? compat_do_replace+0x8e0/0x8e0 [ 50.877925] ? mutex_unlock+0xd/0x10 [ 50.881624] ? nf_sockopt_find.constprop.0+0x221/0x290 [ 50.886882] compat_nf_setsockopt+0x9b/0x140 [ 50.891276] ? compat_do_replace+0x8e0/0x8e0 [ 50.895668] compat_ip_setsockopt+0xff/0x140 [ 50.900062] inet_csk_compat_setsockopt+0x97/0x120 [ 50.904973] ? ip_setsockopt+0xf0/0xf0 [ 50.908850] compat_tcp_setsockopt+0x49/0x80 [ 50.913246] compat_sock_common_setsockopt+0xb4/0x150 [ 50.918422] ? tcp_setsockopt+0xe0/0xe0 [ 50.922383] ? sock_common_setsockopt+0xe0/0xe0 [ 50.927039] __compat_sys_setsockopt+0x1b3/0x860 [ 50.932928] ? __compat_sys_getsockopt+0x8a0/0x8a0 [ 50.937847] ? trace_hardirqs_on+0xbd/0x310 [ 50.942162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.947693] ? entry_SYSENTER_compat+0x70/0x7f [ 50.952309] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 50.957769] __ia32_compat_sys_setsockopt+0xbd/0x150 [ 50.962869] do_fast_syscall_32+0x34d/0xfb2 [ 50.967182] ? do_int80_syscall_32+0x890/0x890 [ 50.971756] ? entry_SYSENTER_compat+0x68/0x7f [ 50.976403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 50.981414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.986243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.991083] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.996229] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 51.001232] ? prepare_exit_to_usermode+0x291/0x3b0 [ 51.006321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.011168] entry_SYSENTER_compat+0x70/0x7f [ 51.015564] RIP: 0023:0xf7f73ca9 [ 51.018917] 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 [ 51.037810] RSP: 002b:00000000ffdfbb3c EFLAGS: 00000292 ORIG_RAX: 000000000000016e [ 51.045694] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 51.053037] RDX: 0000000000000080 RSI: 00000000200004c0 RDI: 0000000000000400 [ 51.060346] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 51.068391] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.075646] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.083791] Kernel Offset: disabled [ 51.087419] Rebooting in 86400 seconds..