[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 12.054797] audit: type=1400 audit(1515042095.840:6): avc: denied { map } for pid=3454 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.206' (ECDSA) to the list of known hosts. syzkaller login: [ 37.860296] audit: type=1400 audit(1515042121.646:7): avc: denied { map } for pid=3473 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 2018/01/04 05:02:01 parsed 1 programs 2018/01/04 05:02:01 executed programs: 0 [ 37.980601] audit: type=1400 audit(1515042121.766:8): avc: denied { map } for pid=3473 comm="syz-execprog" path="/root/syzkaller-shm140922359" 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 [ 38.024286] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 38.080926] kasan: CONFIG_KASAN_INLINE enabled [ 38.085539] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 38.092878] general protection fault: 0000 [#1] SMP KASAN [ 38.098382] Dumping ftrace buffer: [ 38.101884] (ftrace buffer empty) [ 38.105559] Modules linked in: [ 38.108718] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.15.0-rc6-mm1+ #50 [ 38.115605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.124941] RIP: 0010:native_write_cr4+0x4/0x10 [ 38.129573] RSP: 0018:ffff8801db507ed0 EFLAGS: 00010006 [ 38.134906] RAX: ffff8801da366300 RBX: 00000000001606e0 RCX: ffffffff8115d7c2 [ 38.142140] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 38.149373] RBP: ffff8801db507ed0 R08: 0000000000000001 R09: ffff88021fff8048 [ 38.156611] R10: ffff88021fff8058 R11: ffff88021fff8050 R12: 0000000000000006 [ 38.163847] R13: ffff8801da366300 R14: ffff8801db51a130 R15: ffff8801db51a130 [ 38.171083] FS: 0000000000000000(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 38.179273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.185121] CR2: 00007fd769f6d000 CR3: 0000000005e22006 CR4: 00000000001626e0 [ 38.192359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.199593] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.206828] Call Trace: [ 38.209374] [ 38.211494] hardware_disable+0x34a/0x4b0 [ 38.215612] ? kvm_io_bus_get_dev+0x1b0/0x1b0 [ 38.220085] kvm_arch_hardware_disable+0x35/0xd0 [ 38.224806] hardware_disable_nolock+0x30/0x40 [ 38.229365] flush_smp_call_function_queue+0x165/0x420 [ 38.234606] generic_smp_call_function_single_interrupt+0x13/0x30 [ 38.240800] smp_call_function_single_interrupt+0x83/0x450 [ 38.246393] call_function_single_interrupt+0xa9/0xb0 [ 38.251543] [ 38.253744] RIP: 0010:native_safe_halt+0x6/0x10 [ 38.258375] RSP: 0018:ffff8801da377d70 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 38.266046] RAX: dffffc0000000000 RBX: ffff8801da366300 RCX: 0000000000000000 [ 38.273280] RDX: 1ffffffff0bd90a0 RSI: 0000000000000001 RDI: ffffffff85ec8500 [ 38.280514] RBP: ffff8801da377d70 R08: 0000000000000001 R09: 0000000000000000 [ 38.287748] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 38.294983] R13: 0000000000000001 R14: ffffffff866372a0 R15: 0000000000000000 [ 38.302228] default_idle+0x52/0x310 [ 38.305918] arch_cpu_idle+0xa/0x10 [ 38.309508] default_idle_call+0x36/0x90 [ 38.313532] do_idle+0x24a/0x3b0 [ 38.317219] ? complete+0x62/0x80 [ 38.320641] cpu_startup_entry+0xbe/0xd0 [ 38.324666] ? cpu_in_idle+0x20/0x20 [ 38.328347] ? setup_APIC_timer+0xac/0x1b0 [ 38.332545] start_secondary+0x3e2/0x550 [ 38.336569] ? set_cpu_sibling_map+0x1660/0x1660 [ 38.341299] secondary_startup_64+0xa5/0xb0 [ 38.345588] 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 [ 38.364643] RIP: native_write_cr4+0x4/0x10 RSP: ffff8801db507ed0 [ 38.370754] ---[ end trace 5f7a807e9e016e55 ]--- [ 38.375476] Kernel panic - not syncing: Fatal exception in interrupt [ 38.381960] Dumping ftrace buffer: [ 38.385465] (ftrace buffer empty) [ 38.389141] Kernel Offset: disabled [ 38.392733] Rebooting in 86400 seconds..