INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] 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 '10.128.0.55' (ECDSA) to the list of known hosts. 2018/04/11 15:03:42 parsed 1 programs 2018/04/11 15:03:42 executed programs: 0 syzkaller login: [ 32.434936] IPVS: ftp: loaded support on port[0] = 21 [ 32.479623] WARNING: CPU: 0 PID: 4478 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xdaf/0x1170 [ 32.489926] Kernel panic - not syncing: panic_on_warn set ... [ 32.489926] [ 32.497275] CPU: 0 PID: 4478 Comm: syz-executor0 Not tainted 4.16.0+ #288 [ 32.504184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.513528] Call Trace: [ 32.516108] dump_stack+0x1a7/0x27d [ 32.519724] ? arch_local_irq_restore+0x53/0x53 [ 32.524383] ? vsnprintf+0x1ed/0x1900 [ 32.528174] panic+0x1f8/0x42c [ 32.531348] ? refcount_error_report+0x214/0x214 [ 32.536086] ? show_regs_print_info+0x18/0x18 [ 32.540573] ? __warn+0x1c1/0x200 [ 32.544024] ? compat_copy_entries+0xdaf/0x1170 [ 32.548767] __warn+0x1dc/0x200 [ 32.552055] ? compat_copy_entries+0xdaf/0x1170 [ 32.556709] report_bug+0x1f4/0x2b0 [ 32.560317] fixup_bug.part.10+0x37/0x80 [ 32.564375] do_error_trap+0x2d7/0x3e0 [ 32.568250] ? math_error+0x400/0x400 [ 32.572034] ? module_unload_free+0x530/0x530 [ 32.576519] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.581605] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 32.586429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.591254] do_invalid_op+0x1b/0x20 [ 32.594958] invalid_op+0x1b/0x40 [ 32.598392] RIP: 0010:compat_copy_entries+0xdaf/0x1170 [ 32.603644] RSP: 0018:ffff8801ad9077b0 EFLAGS: 00010293 [ 32.608987] RAX: ffff8801ad9b2280 RBX: 0000000000000000 RCX: ffffffff8630d07f [ 32.616240] RDX: 0000000000000000 RSI: ffffc90001e60108 RDI: 0000000000000000 [ 32.623494] RBP: ffff8801ad907938 R08: 0000000000000004 R09: ffffed0039cbb193 [ 32.630766] R10: 0000000000000001 R11: ffffed0039cbb192 R12: 0000000000000004 [ 32.638024] R13: dffffc0000000000 R14: ffff8801ad907998 R15: 0000000000000004 [ 32.645308] ? compat_copy_entries+0xdaf/0x1170 [ 32.649975] ? compat_table_info+0x590/0x590 [ 32.654367] ? __might_sleep+0x95/0x190 [ 32.658343] compat_do_replace+0x398/0x7d0 [ 32.662557] ? do_ebt_set_ctl+0x110/0x110 [ 32.666686] ? kasan_check_write+0x14/0x20 [ 32.670905] ? cap_capable+0x1b5/0x230 [ 32.674786] ? ns_capable_common+0xcf/0x160 [ 32.679098] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 32.683664] ? compat_do_replace+0x7d0/0x7d0 [ 32.688055] ? __fget+0x370/0x580 [ 32.691499] ? mutex_unlock+0xd/0x10 [ 32.695197] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 32.700453] compat_nf_setsockopt+0x88/0x130 [ 32.704841] ? compat_do_replace+0x7d0/0x7d0 [ 32.709234] compat_ip_setsockopt+0x8b/0xd0 [ 32.713544] compat_udp_setsockopt+0x45/0x80 [ 32.717939] compat_sock_common_setsockopt+0xb2/0x140 [ 32.723147] ? udp_lib_unhash+0x950/0x950 [ 32.727301] ? sock_common_setsockopt+0xd0/0xd0 [ 32.731953] __compat_sys_setsockopt+0x183/0x710 [ 32.736692] ? __compat_sys_getsockopt+0x770/0x770 [ 32.741602] ? compat_SyS_get_robust_list+0x300/0x300 [ 32.746773] ? __do_page_fault+0x358/0xbe0 [ 32.751016] ? move_addr_to_kernel+0x60/0x60 [ 32.755414] compat_SyS_setsockopt+0x34/0x50 [ 32.759803] ? scm_detach_fds_compat+0x3d0/0x3d0 [ 32.764538] do_fast_syscall_32+0x3ec/0xf9f [ 32.768855] ? do_int80_syscall_32+0x9c0/0x9c0 [ 32.773415] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.778167] ? syscall_return_slowpath+0x2ac/0x550 [ 32.783074] ? prepare_exit_to_usermode+0x350/0x350 [ 32.788078] ? sysret32_from_system_call+0x5/0x3c [ 32.792901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.797744] entry_SYSENTER_compat+0x70/0x7f [ 32.802130] RIP: 0023:0xf7f8bc99 [ 32.805469] RSP: 002b:00000000ffb9c38c EFLAGS: 00000286 ORIG_RAX: 000000000000016e [ 32.813153] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 32.820403] RDX: 0000000000000080 RSI: 00000000200002c0 RDI: 0000000000000294 [ 32.827657] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 32.834923] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.842173] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.850214] Dumping ftrace buffer: [ 32.853878] (ftrace buffer empty) [ 32.857563] Kernel Offset: disabled [ 32.861169] Rebooting in 86400 seconds..