[....] Starting enhanced syslogd: rsyslogd[ 16.213314] audit: type=1400 audit(1520357546.644:5): avc: denied { syslog } for pid=3977 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: [ 18.757599] audit: type=1400 audit(1520357549.188:6): avc: denied { map } for pid=4115 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 '10.128.0.22' (ECDSA) to the list of known hosts. [ 25.035567] audit: type=1400 audit(1520357555.466:7): avc: denied { map } for pid=4128 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 17:32:35 parsed 1 programs 2018/03/06 17:32:35 executed programs: 0 [ 25.290643] audit: type=1400 audit(1520357555.721:8): avc: denied { map } for pid=4128 comm="syz-execprog" path="/root/syzkaller-shm949014221" 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 [ 25.305686] IPVS: ftp: loaded support on port[0] = 21 [ 25.348168] WARNING: CPU: 0 PID: 4138 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 [ 25.358345] Kernel panic - not syncing: panic_on_warn set ... [ 25.358345] [ 25.365679] CPU: 0 PID: 4138 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 25.372920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.382247] Call Trace: [ 25.384813] dump_stack+0x194/0x24d [ 25.388413] ? arch_local_irq_restore+0x53/0x53 [ 25.393058] ? vsnprintf+0x1ed/0x1900 [ 25.396836] panic+0x1e4/0x41c [ 25.400002] ? refcount_error_report+0x214/0x214 [ 25.404738] ? show_regs_print_info+0x18/0x18 [ 25.409216] ? __warn+0x1c1/0x200 [ 25.412648] ? compat_copy_entries+0xd92/0x1150 [ 25.417285] __warn+0x1dc/0x200 [ 25.420538] ? compat_copy_entries+0xd92/0x1150 [ 25.425182] report_bug+0x211/0x2d0 [ 25.428793] fixup_bug.part.11+0x37/0x80 [ 25.432826] do_error_trap+0x2d7/0x3e0 [ 25.436684] ? wait_for_completion+0x770/0x770 [ 25.441241] ? math_error+0x400/0x400 [ 25.445013] ? module_unload_free+0x5b0/0x5b0 [ 25.449483] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.454480] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 25.459305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.464124] do_invalid_op+0x1b/0x20 [ 25.467809] invalid_op+0x1b/0x40 [ 25.471234] RIP: 0010:compat_copy_entries+0xd92/0x1150 [ 25.476477] RSP: 0018:ffff8801c7c477e8 EFLAGS: 00010293 [ 25.481812] RAX: ffff8801d260c500 RBX: 0000000000000000 RCX: ffffffff851ad5c2 [ 25.489060] RDX: 0000000000000000 RSI: ffffc9000183b180 RDI: 0000000000000000 [ 25.496310] RBP: ffff8801c7c47968 R08: 0000000000000008 R09: 0000000000000000 [ 25.503554] R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000000 [ 25.510796] R13: dffffc0000000000 R14: ffff8801c7c479c8 R15: 0000000000000008 [ 25.518052] ? compat_copy_entries+0xd92/0x1150 [ 25.522697] ? compat_copy_entries+0xd92/0x1150 [ 25.527345] ? __might_fault+0x110/0x1d0 [ 25.531394] ? compat_table_info+0x590/0x590 [ 25.535779] ? __might_sleep+0x95/0x190 [ 25.539738] compat_do_replace+0x398/0x7d0 [ 25.543952] ? do_ebt_set_ctl+0x110/0x110 [ 25.548093] ? ns_capable_common+0xcf/0x160 [ 25.552392] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 25.556958] ? compat_do_replace+0x7d0/0x7d0 [ 25.561371] ? mutex_unlock+0xd/0x10 [ 25.565062] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 25.570318] compat_nf_setsockopt+0x88/0x130 [ 25.574698] ? compat_do_replace+0x7d0/0x7d0 [ 25.579082] compat_ip_setsockopt+0x8b/0xd0 [ 25.583379] inet_csk_compat_setsockopt+0x95/0x120 [ 25.588278] ? ip_setsockopt+0xa0/0xa0 [ 25.592145] compat_dccp_setsockopt+0x40/0x70 [ 25.596615] compat_sock_common_setsockopt+0xb2/0x140 [ 25.601782] ? dccp_setsockopt+0xd0/0xd0 [ 25.605819] compat_SyS_setsockopt+0x17c/0x410 [ 25.610373] ? sock_common_setsockopt+0xd0/0xd0 [ 25.615016] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 25.619749] ? do_fast_syscall_32+0x156/0xf9f [ 25.624221] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 25.628951] do_fast_syscall_32+0x3ec/0xf9f [ 25.633254] ? do_int80_syscall_32+0x9c0/0x9c0 [ 25.637816] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.642549] ? syscall_return_slowpath+0x2ac/0x550 [ 25.647451] ? prepare_exit_to_usermode+0x350/0x350 [ 25.652440] ? sysret32_from_system_call+0x5/0x3c [ 25.657258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.662083] entry_SYSENTER_compat+0x70/0x7f [ 25.666465] RIP: 0023:0xf7fc9c99 [ 25.669802] RSP: 002b:00000000ffd4dadc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 25.677494] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 25.684742] RDX: 0000000000000080 RSI: 0000000020000780 RDI: 0000000000000758 [ 25.691981] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.699221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.706464] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.714360] Dumping ftrace buffer: [ 25.717981] (ftrace buffer empty) [ 25.721660] Kernel Offset: disabled [ 25.725263] Rebooting in 86400 seconds..