[....] Starting enhanced syslogd: rsyslogd[ 15.915549] audit: type=1400 audit(1520360013.002:5): avc: denied { syslog } for pid=4080 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?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: [ 21.923401] audit: type=1400 audit(1520360019.010:6): avc: denied { map } for pid=4219 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. [ 28.200852] audit: type=1400 audit(1520360025.287:7): avc: denied { map } for pid=4233 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/03/06 18:13:45 parsed 1 programs 2018/03/06 18:13:45 executed programs: 0 [ 28.448382] audit: type=1400 audit(1520360025.533:8): avc: denied { map } for pid=4233 comm="syz-execprog" path="/root/syzkaller-shm597521750" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 28.461776] IPVS: ftp: loaded support on port[0] = 21 [ 28.505181] WARNING: CPU: 1 PID: 4242 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 [ 28.515406] Kernel panic - not syncing: panic_on_warn set ... [ 28.515406] [ 28.522744] CPU: 1 PID: 4242 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 28.529991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.539321] Call Trace: [ 28.541888] dump_stack+0x194/0x24d [ 28.545493] ? arch_local_irq_restore+0x53/0x53 [ 28.550146] ? vsnprintf+0x1ed/0x1900 [ 28.553924] panic+0x1e4/0x41c [ 28.557091] ? refcount_error_report+0x214/0x214 [ 28.561815] ? show_regs_print_info+0x18/0x18 [ 28.566294] ? __warn+0x1c1/0x200 [ 28.569735] ? compat_copy_entries+0xd92/0x1150 [ 28.574377] __warn+0x1dc/0x200 [ 28.577650] ? compat_copy_entries+0xd92/0x1150 [ 28.582296] report_bug+0x211/0x2d0 [ 28.585901] fixup_bug.part.11+0x37/0x80 [ 28.589939] do_error_trap+0x2d7/0x3e0 [ 28.593800] ? module_unload_free+0x5b0/0x5b0 [ 28.598270] ? math_error+0x400/0x400 [ 28.602043] ? module_unload_free+0x5b0/0x5b0 [ 28.606523] ? rcu_read_lock_sched_held+0x108/0x120 [ 28.611524] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 28.616346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.621176] do_invalid_op+0x1b/0x20 [ 28.624868] invalid_op+0x1b/0x40 [ 28.628293] RIP: 0010:compat_copy_entries+0xd92/0x1150 [ 28.633540] RSP: 0018:ffff8801b1f37828 EFLAGS: 00010293 [ 28.638876] RAX: ffff8801aeee6700 RBX: 0000000000000000 RCX: ffffffff851ad5c2 [ 28.646120] RDX: 0000000000000000 RSI: ffffc900018431b0 RDI: 0000000000000000 [ 28.653364] RBP: ffff8801b1f379a8 R08: 0000000000000004 R09: 0000000000000000 [ 28.660605] R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000000 [ 28.667847] R13: dffffc0000000000 R14: ffff8801b1f37a08 R15: 0000000000000028 [ 28.675110] ? compat_copy_entries+0xd92/0x1150 [ 28.679761] ? compat_copy_entries+0xd92/0x1150 [ 28.684405] ? __might_fault+0x110/0x1d0 [ 28.688452] ? compat_table_info+0x590/0x590 [ 28.692837] ? __might_sleep+0x95/0x190 [ 28.696796] compat_do_replace+0x398/0x7d0 [ 28.701010] ? do_ebt_set_ctl+0x110/0x110 [ 28.705157] ? ns_capable_common+0xcf/0x160 [ 28.709460] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 28.714023] ? compat_do_replace+0x7d0/0x7d0 [ 28.718429] ? mutex_unlock+0xd/0x10 [ 28.722118] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.727373] compat_nf_setsockopt+0x88/0x130 [ 28.731753] ? compat_do_replace+0x7d0/0x7d0 [ 28.736138] compat_ip_setsockopt+0x8b/0xd0 [ 28.740437] compat_udp_setsockopt+0x45/0x80 [ 28.744829] compat_sock_common_setsockopt+0xb2/0x140 [ 28.749991] ? udp_lib_unhash+0xa10/0xa10 [ 28.754119] compat_SyS_setsockopt+0x17c/0x410 [ 28.758671] ? sock_common_setsockopt+0xd0/0xd0 [ 28.763317] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 28.768056] ? do_fast_syscall_32+0x156/0xf9f [ 28.772534] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 28.777278] do_fast_syscall_32+0x3ec/0xf9f [ 28.781589] ? do_int80_syscall_32+0x9c0/0x9c0 [ 28.786149] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.790882] ? syscall_return_slowpath+0x2ac/0x550 [ 28.795786] ? prepare_exit_to_usermode+0x350/0x350 [ 28.800778] ? sysret32_from_system_call+0x5/0x3c [ 28.805600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.810423] entry_SYSENTER_compat+0x70/0x7f [ 28.814810] RIP: 0023:0xf7f38c99 [ 28.818148] RSP: 002b:00000000ffc39cfc EFLAGS: 00000286 ORIG_RAX: 000000000000016e [ 28.825828] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 28.833073] RDX: 0000000000000080 RSI: 0000000020000000 RDI: 00000000000003b8 [ 28.840315] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.847566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.854809] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.862677] Dumping ftrace buffer: [ 28.866346] (ftrace buffer empty) [ 28.870031] Kernel Offset: disabled [ 28.873634] Rebooting in 86400 seconds..