[....] Starting enhanced syslogd: rsyslogd[ 15.619244] audit: type=1400 audit(1520354079.735:5): avc: denied { syslog } for pid=3946 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: [ 18.625515] audit: type=1400 audit(1520354082.741:6): avc: denied { map } for pid=4085 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 '10.128.0.30' (ECDSA) to the list of known hosts. [ 24.897906] audit: type=1400 audit(1520354089.013:7): avc: denied { map } for pid=4100 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 16:34:49 parsed 1 programs 2018/03/06 16:34:49 executed programs: 0 [ 25.135375] audit: type=1400 audit(1520354089.250:8): avc: denied { map } for pid=4100 comm="syz-execprog" path="/root/syzkaller-shm556204689" 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 [ 25.143283] IPVS: ftp: loaded support on port[0] = 21 [ 25.190395] WARNING: CPU: 1 PID: 4108 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 [ 25.200577] Kernel panic - not syncing: panic_on_warn set ... [ 25.200577] [ 25.207908] CPU: 1 PID: 4108 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 25.215149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.224473] Call Trace: [ 25.227033] dump_stack+0x194/0x24d [ 25.230635] ? arch_local_irq_restore+0x53/0x53 [ 25.235279] ? vsnprintf+0x1ed/0x1900 [ 25.239055] panic+0x1e4/0x41c [ 25.242222] ? refcount_error_report+0x214/0x214 [ 25.246949] ? show_regs_print_info+0x18/0x18 [ 25.251423] ? __warn+0x1c1/0x200 [ 25.254852] ? compat_copy_entries+0xd92/0x1150 [ 25.259494] __warn+0x1dc/0x200 [ 25.262749] ? compat_copy_entries+0xd92/0x1150 [ 25.267391] report_bug+0x211/0x2d0 [ 25.270997] fixup_bug.part.11+0x37/0x80 [ 25.275032] do_error_trap+0x2d7/0x3e0 [ 25.278892] ? module_unload_free+0x5b0/0x5b0 [ 25.283362] ? math_error+0x400/0x400 [ 25.287135] ? module_unload_free+0x5b0/0x5b0 [ 25.291602] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.296593] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 25.301412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.306232] do_invalid_op+0x1b/0x20 [ 25.309920] invalid_op+0x1b/0x40 [ 25.313343] RIP: 0010:compat_copy_entries+0xd92/0x1150 [ 25.318590] RSP: 0018:ffff8801cae9f7e8 EFLAGS: 00010293 [ 25.323926] RAX: ffff8801caf8c280 RBX: 0000000000000000 RCX: ffffffff851ad5c2 [ 25.331168] RDX: 0000000000000000 RSI: ffffc9000184b180 RDI: 0000000000000000 [ 25.338407] RBP: ffff8801cae9f968 R08: 0000000000000004 R09: 0000000000000000 [ 25.345646] R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000007 [ 25.352890] R13: dffffc0000000000 R14: ffff8801cae9f9c8 R15: 000000000000000c [ 25.360143] ? compat_copy_entries+0xd92/0x1150 [ 25.364787] ? compat_copy_entries+0xd92/0x1150 [ 25.369428] ? __might_fault+0x110/0x1d0 [ 25.373473] ? compat_table_info+0x590/0x590 [ 25.377853] ? __might_sleep+0x95/0x190 [ 25.381809] compat_do_replace+0x398/0x7d0 [ 25.386021] ? do_ebt_set_ctl+0x110/0x110 [ 25.390159] ? ns_capable_common+0xcf/0x160 [ 25.394457] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 25.399010] ? compat_do_replace+0x7d0/0x7d0 [ 25.403399] ? mutex_unlock+0xd/0x10 [ 25.407083] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 25.412339] compat_nf_setsockopt+0x88/0x130 [ 25.416716] ? compat_do_replace+0x7d0/0x7d0 [ 25.421096] compat_ip_setsockopt+0x8b/0xd0 [ 25.425392] inet_csk_compat_setsockopt+0x95/0x120 [ 25.430290] ? ip_setsockopt+0xa0/0xa0 [ 25.434153] compat_dccp_setsockopt+0x40/0x70 [ 25.438625] compat_sock_common_setsockopt+0xb2/0x140 [ 25.443781] ? dccp_setsockopt+0xd0/0xd0 [ 25.447814] compat_SyS_setsockopt+0x17c/0x410 [ 25.452367] ? sock_common_setsockopt+0xd0/0xd0 [ 25.457011] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 25.461739] ? do_fast_syscall_32+0x156/0xf9f [ 25.466207] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 25.470934] do_fast_syscall_32+0x3ec/0xf9f [ 25.475233] ? do_int80_syscall_32+0x9c0/0x9c0 [ 25.479783] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.484513] ? syscall_return_slowpath+0x2ac/0x550 [ 25.489412] ? prepare_exit_to_usermode+0x350/0x350 [ 25.494406] ? sysret32_from_system_call+0x5/0x3c [ 25.499225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.504042] entry_SYSENTER_compat+0x70/0x7f [ 25.508419] RIP: 0023:0xf7f4bc99 [ 25.511749] RSP: 002b:00000000fff229fc EFLAGS: 00000286 ORIG_RAX: 000000000000016e [ 25.519423] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 25.526663] RDX: 0000000000000080 RSI: 0000000020000240 RDI: 0000000000000240 [ 25.533902] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.541141] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.548379] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.556133] Dumping ftrace buffer: [ 25.559747] (ftrace buffer empty) [ 25.563430] Kernel Offset: disabled [ 25.567029] Rebooting in 86400 seconds..