[....] Starting enhanced syslogd: rsyslogd[ 5.800229] audit: type=1400 audit(1513397205.873:5): avc: denied { syslog } for pid=2965 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: [ 12.866759] audit: type=1400 audit(1513397212.939:6): avc: denied { map } for pid=3101 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-next-kasan-gce-0,10.128.15.229' (ECDSA) to the list of known hosts. executing program [ 18.743809] audit: type=1400 audit(1513397218.816:7): avc: denied { map } for pid=3115 comm="syzkaller978942" path="/root/syzkaller978942572" 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 [ 18.751507] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 18.757827] general protection fault: 0000 [#1] SMP [ 18.758534] Dumping ftrace buffer: [ 18.759017] (ftrace buffer empty) [ 18.759541] Modules linked in: [ 18.759973] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 18.761008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.762251] RIP: 0010:native_write_cr4+0x4/0x10 [ 18.762868] RSP: 0018:ffff88021fc03f20 EFLAGS: 00010006 [ 18.763593] RAX: ffffffff83025500 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 18.768663] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 18.775898] RBP: ffff88021fc03f20 R08: 0000000000000001 R09: 0000000000000000 [ 18.783131] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000006 [ 18.790365] R13: ffffffff83025500 R14: ffffffff81026eb0 R15: 0000000000000000 [ 18.797601] FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 18.805789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.811634] CR2: 00007fd446928000 CR3: 000000000301e003 CR4: 00000000001626f0 [ 18.818880] Call Trace: [ 18.821426] [ 18.823546] hardware_disable+0x1a0/0x210 [ 18.827658] ? kvm_io_bus_get_dev+0x150/0x150 [ 18.832116] kvm_arch_hardware_disable+0x14/0x50 [ 18.836835] hardware_disable_nolock+0x30/0x40 [ 18.841382] flush_smp_call_function_queue+0x95/0x1e0 [ 18.846537] generic_smp_call_function_single_interrupt+0x13/0x30 [ 18.852734] smp_call_function_single_interrupt+0x42/0x240 [ 18.858321] call_function_single_interrupt+0xa9/0xb0 [ 18.863473] [ 18.865674] RIP: 0010:native_safe_halt+0x6/0x10 [ 18.870304] RSP: 0018:ffffffff83003e30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 18.877976] RAX: ffffffff83025500 RBX: 0000000000000000 RCX: 0000000000000000 [ 18.885209] RDX: ffffffff83025500 RSI: 0000000000000001 RDI: ffffffff83025500 [ 18.892443] RBP: ffffffff83003e30 R08: 0000000000000001 R09: 0000000000000000 [ 18.899676] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.906911] R13: ffffffff8304f960 R14: 0000000000000000 R15: 0000000000000000 [ 18.914157] default_idle+0x2e/0x1a0 [ 18.917839] arch_cpu_idle+0xa/0x10 [ 18.921428] default_idle_call+0x1e/0x40 [ 18.925452] do_idle+0x17e/0x220 [ 18.928783] cpu_startup_entry+0x18/0x20 [ 18.932810] rest_init+0xc7/0xd0 [ 18.936140] ? trace_event_define_fields_vector_alloc_managed+0x8b/0x8b [ 18.942856] start_kernel+0x52b/0x53a [ 18.946619] x86_64_start_reservations+0x2a/0x2c [ 18.951337] x86_64_start_kernel+0x72/0x75 [ 18.955533] secondary_startup_64+0xa5/0xb0 [ 18.959821] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d [ 18.978857] RIP: native_write_cr4+0x4/0x10 RSP: ffff88021fc03f20 [ 18.984970] ---[ end trace 1e65ac320806f11d ]--- [ 18.989687] Kernel panic - not syncing: Fatal exception in interrupt [ 18.996179] Dumping ftrace buffer: [ 18.999685] (ftrace buffer empty) [ 19.003362] Kernel Offset: disabled [ 19.006953] Rebooting in 86400 seconds..