[?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. [ 11.602092] audit: type=1400 audit(1515122113.576:6): avc: denied { map } for pid=3448 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 '10.128.0.11' (ECDSA) to the list of known hosts. syzkaller login: [ 36.260109] audit: type=1400 audit(1515122138.234:7): avc: denied { map } for pid=3467 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 2018/01/05 03:15:38 parsed 1 programs 2018/01/05 03:15:38 executed programs: 0 [ 36.383098] audit: type=1400 audit(1515122138.357:8): avc: denied { map } for pid=3467 comm="syz-execprog" path="/root/syzkaller-shm468138950" 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 [ 36.413675] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 36.449708] kasan: CONFIG_KASAN_INLINE enabled [ 36.454302] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.461633] general protection fault: 0000 [#1] SMP KASAN [ 36.467136] Dumping ftrace buffer: [ 36.470640] (ftrace buffer empty) [ 36.474315] Modules linked in: [ 36.477476] CPU: 1 PID: 3444 Comm: udevd Not tainted 4.15.0-rc6-next-20180103+ #87 [ 36.485146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.494471] RIP: 0010:native_write_cr4+0x4/0x10 [ 36.499106] RSP: 0000:ffff8801db507ed0 EFLAGS: 00010006 [ 36.504433] RAX: ffff8801c228e2c0 RBX: 00000000001606e0 RCX: ffffffff8115d7c2 [ 36.511669] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 36.518905] RBP: ffff8801db507ed0 R08: 0000000000000000 R09: 0000000000001fff [ 36.526149] R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000000006 [ 36.533384] R13: ffff8801c228e2c0 R14: ffff8801db51a130 R15: ffff8801db51a130 [ 36.540621] FS: 00007f08b8e4b7a0(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 36.548820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.554669] CR2: 00007f08b8e52000 CR3: 00000001c2347006 CR4: 00000000001626e0 [ 36.561906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.569144] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.576382] Call Trace: [ 36.578930] [ 36.581051] hardware_disable+0x34a/0x4b0 [ 36.585166] ? tick_program_event+0x83/0x100 [ 36.589539] ? kvm_io_bus_get_dev+0x1b0/0x1b0 [ 36.594003] kvm_arch_hardware_disable+0x35/0xd0 [ 36.598731] hardware_disable_nolock+0x30/0x40 [ 36.603279] flush_smp_call_function_queue+0x165/0x420 [ 36.608523] generic_smp_call_function_single_interrupt+0x13/0x30 [ 36.614722] smp_call_function_single_interrupt+0x83/0x450 [ 36.620311] call_function_single_interrupt+0xa9/0xb0 [ 36.625467] [ 36.627675] RIP: 0033:0x415a80 [ 36.630832] RSP: 002b:00007ffed2a848f8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff04 [ 36.638504] RAX: 0000000000449a79 RBX: 0000000001a619b0 RCX: 00007f08b8554a32 [ 36.645741] RDX: 0000000000000000 RSI: 0000000000449a79 RDI: 0000000001a619b0 [ 36.652976] RBP: 0000000001a61bc0 R08: 0000000000000000 R09: 0000000000001fff [ 36.660211] R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000000000 [ 36.667445] R13: 0000000000625500 R14: 0000000001a19030 R15: 000000000000000b [ 36.674686] 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 [ 36.693745] RIP: native_write_cr4+0x4/0x10 RSP: ffff8801db507ed0 [ 36.699869] ---[ end trace f41c5187779baaa7 ]--- [ 36.704587] Kernel panic - not syncing: Fatal exception in interrupt [ 36.711073] Dumping ftrace buffer: [ 36.714578] (ftrace buffer empty) [ 36.718255] Kernel Offset: disabled [ 36.721845] Rebooting in 86400 seconds..