[....] Starting enhanced syslogd: rsyslogd[ 17.518965] audit: type=1400 audit(1520367611.233:5): avc: denied { syslog } for pid=4086 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 22.975839] audit: type=1400 audit(1520367616.690:6): avc: denied { map } for pid=4226 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 '10.128.0.19' (ECDSA) to the list of known hosts. [ 29.240000] audit: type=1400 audit(1520367622.954:7): avc: denied { map } for pid=4240 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 20:20:23 parsed 1 programs 2018/03/06 20:20:23 executed programs: 0 [ 29.472669] audit: type=1400 audit(1520367623.187:8): avc: denied { map } for pid=4240 comm="syz-execprog" path="/root/syzkaller-shm413651060" 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 [ 29.482841] IPVS: ftp: loaded support on port[0] = 21 [ 29.527765] WARNING: CPU: 1 PID: 4249 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 [ 29.537948] Kernel panic - not syncing: panic_on_warn set ... [ 29.537948] [ 29.545281] CPU: 1 PID: 4249 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 29.552524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.561852] Call Trace: [ 29.564417] dump_stack+0x194/0x24d [ 29.568019] ? arch_local_irq_restore+0x53/0x53 [ 29.572660] ? vsnprintf+0x1ed/0x1900 [ 29.576435] panic+0x1e4/0x41c [ 29.579597] ? refcount_error_report+0x214/0x214 [ 29.584321] ? show_regs_print_info+0x18/0x18 [ 29.588814] ? __warn+0x1c1/0x200 [ 29.592241] ? compat_copy_entries+0xd92/0x1150 [ 29.596881] __warn+0x1dc/0x200 [ 29.600134] ? compat_copy_entries+0xd92/0x1150 [ 29.604777] report_bug+0x211/0x2d0 [ 29.608381] fixup_bug.part.11+0x37/0x80 [ 29.612412] do_error_trap+0x2d7/0x3e0 [ 29.616269] ? wait_for_completion+0x770/0x770 [ 29.620822] ? math_error+0x400/0x400 [ 29.624591] ? module_unload_free+0x5b0/0x5b0 [ 29.629059] ? rcu_read_lock_sched_held+0x108/0x120 [ 29.634047] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 29.638866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.643684] do_invalid_op+0x1b/0x20 [ 29.647370] invalid_op+0x1b/0x40 [ 29.650790] RIP: 0010:compat_copy_entries+0xd92/0x1150 [ 29.656033] RSP: 0018:ffff8801b25977e8 EFLAGS: 00010293 [ 29.661364] RAX: ffff8801adbd6200 RBX: 0000000000000000 RCX: ffffffff851ad5c2 [ 29.668603] RDX: 0000000000000000 RSI: ffffc900018b3118 RDI: 0000000000000000 [ 29.675844] RBP: ffff8801b2597968 R08: 000000000000004c R09: 0000000000000000 [ 29.683082] R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000004 [ 29.690320] R13: dffffc0000000000 R14: ffff8801b25979c8 R15: 0000000000000004 [ 29.697571] ? compat_copy_entries+0xd92/0x1150 [ 29.702215] ? compat_copy_entries+0xd92/0x1150 [ 29.706855] ? __might_fault+0x110/0x1d0 [ 29.710897] ? compat_table_info+0x590/0x590 [ 29.715280] ? __might_sleep+0x95/0x190 [ 29.719237] compat_do_replace+0x398/0x7d0 [ 29.723447] ? do_ebt_set_ctl+0x110/0x110 [ 29.727585] ? ns_capable_common+0xcf/0x160 [ 29.731883] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 29.736437] ? compat_do_replace+0x7d0/0x7d0 [ 29.740824] ? mutex_unlock+0xd/0x10 [ 29.744511] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 29.749760] compat_nf_setsockopt+0x88/0x130 [ 29.754135] ? compat_do_replace+0x7d0/0x7d0 [ 29.758531] compat_ip_setsockopt+0x8b/0xd0 [ 29.762828] inet_csk_compat_setsockopt+0x95/0x120 [ 29.767734] ? ip_setsockopt+0xa0/0xa0 [ 29.771607] compat_tcp_setsockopt+0x3d/0x70 [ 29.775990] compat_sock_common_setsockopt+0xb2/0x140 [ 29.781147] ? tcp_setsockopt+0xd0/0xd0 [ 29.785094] compat_SyS_setsockopt+0x17c/0x410 [ 29.789644] ? sock_common_setsockopt+0xd0/0xd0 [ 29.794287] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 29.799026] ? do_fast_syscall_32+0x156/0xf9f [ 29.803494] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 29.808222] do_fast_syscall_32+0x3ec/0xf9f [ 29.812519] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.817069] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.821798] ? syscall_return_slowpath+0x2ac/0x550 [ 29.826697] ? prepare_exit_to_usermode+0x350/0x350 [ 29.831687] ? sysret32_from_system_call+0x5/0x3c [ 29.836503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.841320] entry_SYSENTER_compat+0x70/0x7f [ 29.845697] RIP: 0023:0xf7f3bc99 [ 29.849032] RSP: 002b:00000000ffad766c EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 29.856709] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 29.863949] RDX: 0000000000000080 RSI: 0000000020000ac0 RDI: 000000000000028c [ 29.871188] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.878433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.885673] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.893443] Dumping ftrace buffer: [ 29.897029] (ftrace buffer empty) [ 29.900708] Kernel Offset: disabled [ 29.904306] Rebooting in 86400 seconds..