[....] Starting enhanced syslogd: rsyslogd[ 16.094690] audit: type=1400 audit(1520347089.909:5): avc: denied { syslog } for pid=4030 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: [ 21.616811] audit: type=1400 audit(1520347095.431:6): avc: denied { map } for pid=4169 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 '10.128.0.13' (ECDSA) to the list of known hosts. [ 27.880948] audit: type=1400 audit(1520347101.695:7): avc: denied { map } for pid=4183 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 14:38:21 parsed 1 programs 2018/03/06 14:38:21 executed programs: 0 [ 28.119621] audit: type=1400 audit(1520347101.934:8): avc: denied { map } for pid=4183 comm="syz-execprog" path="/root/syzkaller-shm886349459" 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 [ 28.135237] IPVS: ftp: loaded support on port[0] = 21 [ 28.175567] WARNING: CPU: 1 PID: 4192 at net/bridge/netfilter/ebtables.c:2063 compat_copy_entries+0xd92/0x1150 [ 28.185763] Kernel panic - not syncing: panic_on_warn set ... [ 28.185763] [ 28.193101] CPU: 1 PID: 4192 Comm: syz-executor0 Not tainted 4.16.0-rc4+ #253 [ 28.200343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.209668] Call Trace: [ 28.212232] dump_stack+0x194/0x24d [ 28.215835] ? arch_local_irq_restore+0x53/0x53 [ 28.220483] ? vsnprintf+0x1ed/0x1900 [ 28.224262] panic+0x1e4/0x41c [ 28.227426] ? refcount_error_report+0x214/0x214 [ 28.232164] ? show_regs_print_info+0x18/0x18 [ 28.236639] ? __warn+0x1c1/0x200 [ 28.240068] ? compat_copy_entries+0xd92/0x1150 [ 28.244710] __warn+0x1dc/0x200 [ 28.247965] ? compat_copy_entries+0xd92/0x1150 [ 28.252607] report_bug+0x211/0x2d0 [ 28.256220] fixup_bug.part.11+0x37/0x80 [ 28.260258] do_error_trap+0x2d7/0x3e0 [ 28.264115] ? module_unload_free+0x5b0/0x5b0 [ 28.268588] ? math_error+0x400/0x400 [ 28.272360] ? module_unload_free+0x5b0/0x5b0 [ 28.276833] ? rcu_read_lock_sched_held+0x108/0x120 [ 28.281822] ? __alloc_pages_nodemask+0xabe/0xdd0 [ 28.286658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.291478] do_invalid_op+0x1b/0x20 [ 28.295171] invalid_op+0x1b/0x40 [ 28.298601] RIP: 0010:compat_copy_entries+0xd92/0x1150 [ 28.303849] RSP: 0018:ffff8801bb5077e8 EFLAGS: 00010293 [ 28.309194] RAX: ffff8801bc82a580 RBX: 0000000000000000 RCX: ffffffff851ad5c2 [ 28.316434] RDX: 0000000000000000 RSI: ffffc90001853180 RDI: 0000000000000000 [ 28.323672] RBP: ffff8801bb507968 R08: 0000000000000004 R09: 0000000000000000 [ 28.330911] R10: ffffffff88613380 R11: 0000000000000001 R12: 0000000000000007 [ 28.338158] R13: dffffc0000000000 R14: ffff8801bb5079c8 R15: 000000000000000c [ 28.345412] ? compat_copy_entries+0xd92/0x1150 [ 28.350058] ? compat_copy_entries+0xd92/0x1150 [ 28.354698] ? __might_fault+0x110/0x1d0 [ 28.358743] ? compat_table_info+0x590/0x590 [ 28.363129] ? __might_sleep+0x95/0x190 [ 28.367088] compat_do_replace+0x398/0x7d0 [ 28.371301] ? do_ebt_set_ctl+0x110/0x110 [ 28.375437] ? ns_capable_common+0xcf/0x160 [ 28.379737] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 28.384291] ? compat_do_replace+0x7d0/0x7d0 [ 28.388679] ? mutex_unlock+0xd/0x10 [ 28.392367] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.397618] compat_nf_setsockopt+0x88/0x130 [ 28.401997] ? compat_do_replace+0x7d0/0x7d0 [ 28.406387] compat_ip_setsockopt+0x8b/0xd0 [ 28.410682] inet_csk_compat_setsockopt+0x95/0x120 [ 28.415583] ? ip_setsockopt+0xa0/0xa0 [ 28.419446] compat_dccp_setsockopt+0x40/0x70 [ 28.423915] compat_sock_common_setsockopt+0xb2/0x140 [ 28.429077] ? dccp_setsockopt+0xd0/0xd0 [ 28.433115] compat_SyS_setsockopt+0x17c/0x410 [ 28.437666] ? sock_common_setsockopt+0xd0/0xd0 [ 28.442310] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 28.447046] ? do_fast_syscall_32+0x156/0xf9f [ 28.451517] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 28.456243] do_fast_syscall_32+0x3ec/0xf9f [ 28.460543] ? do_int80_syscall_32+0x9c0/0x9c0 [ 28.465096] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.469831] ? syscall_return_slowpath+0x2ac/0x550 [ 28.474733] ? prepare_exit_to_usermode+0x350/0x350 [ 28.479723] ? sysret32_from_system_call+0x5/0x3c [ 28.484541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.489363] entry_SYSENTER_compat+0x70/0x7f [ 28.493742] RIP: 0023:0xf7f35c99 [ 28.497077] RSP: 002b:00000000ff9c02cc EFLAGS: 00000282 ORIG_RAX: 000000000000016e [ 28.504758] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 28.512000] RDX: 0000000000000080 RSI: 0000000020000240 RDI: 0000000000000240 [ 28.519248] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.526486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.533729] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.541579] Dumping ftrace buffer: [ 28.545205] (ftrace buffer empty) [ 28.548887] Kernel Offset: disabled [ 28.552488] Rebooting in 86400 seconds..