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 syzkaller login: [ 21.981010] sshd (4460) used greatest stack depth: 16232 bytes left Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. 2018/04/11 15:43:54 parsed 1 programs 2018/04/11 15:43:54 executed programs: 0 [ 29.110705] IPVS: ftp: loaded support on port[0] = 21 [ 29.151017] WARNING: CPU: 0 PID: 4485 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xdaf/0x1170 [ 29.161245] Kernel panic - not syncing: panic_on_warn set ... [ 29.161245] [ 29.168581] CPU: 0 PID: 4485 Comm: syz-executor0 Not tainted 4.16.0+ #288 [ 29.175474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.184797] Call Trace: [ 29.187354] dump_stack+0x1a7/0x27d [ 29.190951] ? arch_local_irq_restore+0x53/0x53 [ 29.195592] ? vsnprintf+0x1ed/0x1900 [ 29.199365] panic+0x1f8/0x42c [ 29.202527] ? refcount_error_report+0x214/0x214 [ 29.207254] ? show_regs_print_info+0x18/0x18 [ 29.211722] ? __warn+0x1c1/0x200 [ 29.215148] ? compat_copy_entries+0xdaf/0x1170 [ 29.219784] __warn+0x1dc/0x200 [ 29.223038] ? compat_copy_entries+0xdaf/0x1170 [ 29.227677] report_bug+0x1f4/0x2b0 [ 29.231279] fixup_bug.part.10+0x37/0x80 [ 29.235311] do_error_trap+0x2d7/0x3e0 [ 29.239168] ? math_error+0x400/0x400 [ 29.242936] ? module_unload_free+0x530/0x530 [ 29.247401] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.252386] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 29.257199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.262015] do_invalid_op+0x1b/0x20 [ 29.265703] invalid_op+0x1b/0x40 [ 29.269126] RIP: 0010:compat_copy_entries+0xdaf/0x1170 [ 29.274367] RSP: 0018:ffff8801ad27f740 EFLAGS: 00010293 [ 29.279699] RAX: ffff8801d99c0200 RBX: 0000000000000000 RCX: ffffffff8630d07f [ 29.286944] RDX: 0000000000000000 RSI: ffffc90001e80120 RDI: 0000000000000000 [ 29.294182] RBP: ffff8801ad27f8c8 R08: 0000000000000004 R09: ffffed0039cb7593 [ 29.301422] R10: 0000000000000001 R11: ffffed0039cb7592 R12: 0000000000000007 [ 29.308660] R13: dffffc0000000000 R14: ffff8801ad27f928 R15: 000000000000000c [ 29.315905] ? compat_copy_entries+0xdaf/0x1170 [ 29.320551] ? compat_table_info+0x590/0x590 [ 29.324930] ? __might_sleep+0x95/0x190 [ 29.328878] compat_do_replace+0x398/0x7d0 [ 29.333087] ? do_ebt_set_ctl+0x110/0x110 [ 29.337206] ? kasan_check_write+0x14/0x20 [ 29.341413] ? cap_capable+0x1b5/0x230 [ 29.345274] ? ns_capable_common+0xcf/0x160 [ 29.349566] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 29.354115] ? kasan_check_read+0x11/0x20 [ 29.358234] ? compat_do_replace+0x7d0/0x7d0 [ 29.362619] ? mutex_unlock+0xd/0x10 [ 29.366301] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 29.371547] compat_nf_setsockopt+0x88/0x130 [ 29.375926] ? compat_do_replace+0x7d0/0x7d0 [ 29.380308] compat_ip_setsockopt+0x8b/0xd0 [ 29.384599] compat_udp_setsockopt+0x45/0x80 [ 29.388979] ? udp_lib_unhash+0x950/0x950 [ 29.393096] compat_ipv6_setsockopt+0xb3/0x1c0 [ 29.397647] compat_udpv6_setsockopt+0x45/0x80 [ 29.402203] compat_sock_common_setsockopt+0xb2/0x140 [ 29.407360] ? udpv6_destroy_sock+0x190/0x190 [ 29.411831] ? sock_common_setsockopt+0xd0/0xd0 [ 29.416473] __compat_sys_setsockopt+0x183/0x710 [ 29.421198] ? __compat_sys_getsockopt+0x770/0x770 [ 29.426098] ? compat_SyS_get_robust_list+0x300/0x300 [ 29.431260] ? __do_page_fault+0x358/0xbe0 [ 29.435467] ? move_addr_to_kernel+0x60/0x60 [ 29.439847] compat_SyS_setsockopt+0x34/0x50 [ 29.444227] ? scm_detach_fds_compat+0x3d0/0x3d0 [ 29.448954] do_fast_syscall_32+0x3ec/0xf9f [ 29.453250] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.457802] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.462527] ? syscall_return_slowpath+0x2ac/0x550 [ 29.467426] ? prepare_exit_to_usermode+0x350/0x350 [ 29.472420] ? sysret32_from_system_call+0x5/0x3c [ 29.477233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.482060] entry_SYSENTER_compat+0x70/0x7f [ 29.486437] RIP: 0023:0xf7fa7c99 [ 29.489772] RSP: 002b:00000000ffcebf0c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 29.497450] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000000 [ 29.504688] RDX: 0000000000000080 RSI: 00000000200000c0 RDI: 0000000000000290 [ 29.511928] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.519167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.526492] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.534336] Dumping ftrace buffer: [ 29.537960] (ftrace buffer empty) [ 29.541641] Kernel Offset: disabled [ 29.545246] Rebooting in 86400 seconds..