[....] Starting enhanced syslogd: rsyslogd[ 16.778936] audit: type=1400 audit(1518894918.225:5): avc: denied { syslog } for pid=4010 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: [ 22.137992] audit: type=1400 audit(1518894923.584:6): avc: denied { map } for pid=4148 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 '10.128.15.212' (ECDSA) to the list of known hosts. executing program [ 28.497114] audit: type=1400 audit(1518894929.943:7): avc: denied { map } for pid=4162 comm="syzkaller739777" path="/root/syzkaller739777723" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 28.501046] WARNING: CPU: 1 PID: 4162 at net/bridge/netfilter/ebtables.c:2056 compat_copy_entries+0xcfa/0x1050 [ 28.533263] Kernel panic - not syncing: panic_on_warn set ... [ 28.533263] [ 28.540631] CPU: 1 PID: 4162 Comm: syzkaller739777 Not tainted 4.16.0-rc1+ #227 [ 28.548056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.557392] Call Trace: [ 28.559956] dump_stack+0x194/0x257 [ 28.563567] ? arch_local_irq_restore+0x53/0x53 [ 28.568215] ? vsnprintf+0x1ed/0x1900 [ 28.571992] panic+0x1e4/0x41c [ 28.575163] ? refcount_error_report+0x214/0x214 [ 28.579892] ? show_regs_print_info+0x18/0x18 [ 28.584365] ? compat_sock_common_setsockopt+0xb2/0x140 [ 28.589707] ? __warn+0x1c1/0x200 [ 28.593140] ? compat_copy_entries+0xcfa/0x1050 [ 28.597781] __warn+0x1dc/0x200 [ 28.601040] ? compat_copy_entries+0xcfa/0x1050 [ 28.605691] report_bug+0x211/0x2d0 [ 28.609298] fixup_bug.part.11+0x37/0x80 [ 28.613330] do_error_trap+0x2d7/0x3e0 [ 28.617191] ? module_unload_free+0x5b0/0x5b0 [ 28.621663] ? math_error+0x400/0x400 [ 28.625449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.630269] do_invalid_op+0x1b/0x20 [ 28.633953] invalid_op+0x58/0x80 [ 28.637375] RIP: 0010:compat_copy_entries+0xcfa/0x1050 [ 28.642617] RSP: 0018:ffff8801b4e2f7e8 EFLAGS: 00010293 [ 28.647950] RAX: ffff8801b1860140 RBX: 0000000000000000 RCX: ffffffff84f075ea [ 28.655196] RDX: 0000000000000000 RSI: ffffc9000180d2bc RDI: 0000000000000000 [ 28.662445] RBP: ffff8801b4e2f968 R08: 0000000000000000 R09: 0000000000000000 [ 28.669685] R10: ffffffff8818b280 R11: 00000000fffffe78 R12: 0000000000000008 [ 28.676929] R13: dffffc0000000000 R14: ffff8801b4e2f9c8 R15: ffffc9000180d2c4 [ 28.684186] ? compat_copy_entries+0xcfa/0x1050 [ 28.688834] ? compat_copy_entries+0xcfa/0x1050 [ 28.693489] ? compat_table_info+0x590/0x590 [ 28.697878] ? __might_sleep+0x95/0x190 [ 28.701837] compat_do_replace+0x398/0x7c0 [ 28.706052] ? do_ebt_set_ctl+0x110/0x110 [ 28.710190] ? ns_capable_common+0xcf/0x160 [ 28.714489] compat_do_ebt_set_ctl+0x22a/0x2d0 [ 28.719056] ? compat_do_replace+0x7c0/0x7c0 [ 28.723460] ? mutex_unlock+0xd/0x10 [ 28.727156] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.732414] compat_nf_setsockopt+0x88/0x130 [ 28.736792] ? compat_do_replace+0x7c0/0x7c0 [ 28.741177] compat_ip_setsockopt+0x8b/0xd0 [ 28.745473] inet_csk_compat_setsockopt+0x95/0x120 [ 28.750374] ? ip_setsockopt+0xa0/0xa0 [ 28.754244] compat_tcp_setsockopt+0x3d/0x70 [ 28.758629] compat_sock_common_setsockopt+0xb2/0x140 [ 28.763791] ? tcp_setsockopt+0xd0/0xd0 [ 28.767742] compat_SyS_setsockopt+0x17c/0x410 [ 28.772294] ? sock_common_setsockopt+0xd0/0xd0 [ 28.776936] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 28.781667] ? do_fast_syscall_32+0x156/0xf9f [ 28.786585] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 28.791322] do_fast_syscall_32+0x3ec/0xf9f [ 28.795639] ? do_int80_syscall_32+0x9c0/0x9c0 [ 28.800193] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.804924] ? syscall_return_slowpath+0x550/0x550 [ 28.809825] ? syscall_return_slowpath+0x2ac/0x550 [ 28.814728] ? prepare_exit_to_usermode+0x350/0x350 [ 28.819720] ? retint_user+0x18/0x18 [ 28.823408] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.828227] entry_SYSENTER_compat+0x70/0x7f [ 28.832607] RIP: 0023:0xf7f85c79 [ 28.835941] RSP: 002b:00000000ffe17c0c EFLAGS: 00000286 ORIG_RAX: 000000000000016e [ 28.843620] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 28.850866] RDX: 0000000000000080 RSI: 0000000020159fb0 RDI: 0000000000000418 [ 28.858106] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 28.865355] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.872601] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.880405] Dumping ftrace buffer: [ 28.884000] (ftrace buffer empty) [ 28.887682] Kernel Offset: disabled [ 28.891282] Rebooting in 86400 seconds..