[....] Starting enhanced syslogd: rsyslogd[ 11.330738] audit: type=1400 audit(1514248414.708:5): avc: denied { syslog } for pid=3004 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: [ 18.111553] audit: type=1400 audit(1514248421.489:6): avc: denied { map } for pid=3144 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 'ci-upstream-kasan-gce-386-0,10.128.0.19' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 24.709185] audit: type=1400 audit(1514248428.086:7): avc: denied { map } for pid=3158 comm="syzkaller930201" path="/root/syzkaller930201141" 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 [ 24.771263] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 26.505145] WARNING: CPU: 0 PID: 3493 at arch/x86/kernel/traps.c:801 do_debug+0x4d8/0x6e0 [ 26.513475] Kernel panic - not syncing: panic_on_warn set ... [ 26.513475] [ 26.521864] CPU: 0 PID: 3493 Comm: syzkaller930201 Not tainted 4.15.0-rc5+ #147 [ 26.529295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.538631] Call Trace: [ 26.541196] <#DB> [ 26.543331] dump_stack+0x194/0x257 [ 26.546952] ? arch_local_irq_restore+0x53/0x53 [ 26.551614] ? vsnprintf+0x1ed/0x1900 [ 26.555408] panic+0x1e4/0x41c [ 26.558588] ? refcount_error_report+0x214/0x214 [ 26.563329] ? show_regs_print_info+0x18/0x18 [ 26.567820] ? __warn+0x1c1/0x200 [ 26.571270] ? do_debug+0x4d8/0x6e0 [ 26.574889] __warn+0x1dc/0x200 [ 26.578158] ? do_debug+0x4d8/0x6e0 [ 26.581775] report_bug+0x211/0x2d0 [ 26.585393] fixup_bug.part.11+0x37/0x80 [ 26.589425] do_error_trap+0x2d7/0x3e0 [ 26.593283] ? lock_downgrade+0x980/0x980 [ 26.597408] ? math_error+0x400/0x400 [ 26.601177] ? raw_notifier_chain_unregister+0x1b0/0x1b0 [ 26.606610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.611430] do_invalid_op+0x1b/0x20 [ 26.615112] invalid_op+0x22/0x40 [ 26.618533] RIP: 0010:do_debug+0x4d8/0x6e0 [ 26.622740] RSP: 0018:fffffe800000ee98 EFLAGS: 00010246 [ 26.628072] RAX: dffffc0000000000 RBX: fffffe800000ef58 RCX: 0000000000000000 [ 26.635310] RDX: 1fffffd000001dfc RSI: 0000000000000001 RDI: ffffffff85ec81f8 [ 26.643854] RBP: fffffe800000ef48 R08: fffffe800000efe8 R09: 0000000000000000 [ 26.651090] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e001 [ 26.660149] R13: ffff8801d93f0580 R14: 1fffffd000001dd8 R15: 0000000000004000 [ 26.667413] ? do_debug+0x458/0x6e0 [ 26.671025] ? do_int3+0x210/0x210 [ 26.674541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.679359] debug+0x34/0x60 [ 26.682347] RIP: 0010:__put_user_4+0x1e/0x30 [ 26.686719] RSP: 0018:ffff8801d8e87d28 EFLAGS: 00000297 [ 26.692050] RAX: 000000005a4198ed RBX: 00007fffffffeffd RCX: 0000000020000000 [ 26.699285] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000282 [ 26.706522] RBP: ffff8801d8e87db0 R08: 0000000000000000 R09: 1ffff1003b1d0f82 [ 26.713758] R10: ffff8801d8e87bd8 R11: 0000000000000000 R12: 1ffff1003b1d0fa6 [ 26.720997] R13: 000000005a4198ed R14: 0000000020000000 R15: ffff8801d8e87f78 [ 26.728257] [ 26.730465] ? compat_SyS_time+0x9c/0xf0 [ 26.734496] ? SyS_stime+0x150/0x150 [ 26.738181] ? do_fast_syscall_32+0x156/0xf9d [ 26.742646] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.747636] ? SyS_stime+0x150/0x150 [ 26.751319] do_fast_syscall_32+0x3ee/0xf9d [ 26.756312] ? do_int80_syscall_32+0x9d0/0x9d0 [ 26.761393] ? syscall_return_slowpath+0x2ad/0x550 [ 26.767853] ? prepare_exit_to_usermode+0x340/0x340 [ 26.775271] ? sysret32_from_system_call+0x5/0x3b [ 26.781400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.787780] entry_SYSENTER_compat+0x54/0x63 [ 26.792676] RIP: 0023:0xf7fd8c79 [ 26.796008] RSP: 002b:00000000f7fd41fc EFLAGS: 00000296 ORIG_RAX: 000000000000000d [ 26.803687] RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000000001 [ 26.810923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.818160] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 26.828108] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.835344] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.843652] Dumping ftrace buffer: [ 26.847217] (ftrace buffer empty) [ 26.850896] Kernel Offset: disabled [ 26.855445] Rebooting in 86400 seconds..