[....] Starting enhanced syslogd: rsyslogd[ 11.337548] audit: type=1400 audit(1514964559.946:5): avc: denied { syslog } for pid=3345 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 16.317786] audit: type=1400 audit(1514964564.926:6): avc: denied { map } for pid=3484 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 '10.128.15.214' (ECDSA) to the list of known hosts. [ 42.575028] audit: type=1400 audit(1514964591.183:7): avc: denied { map } for pid=3502 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 2018/01/03 07:29:51 parsed 1 programs 2018/01/03 07:29:51 executed programs: 0 [ 42.703097] audit: type=1400 audit(1514964591.311:8): avc: denied { map } for pid=3502 comm="syz-execprog" path="/root/syzkaller-shm268534797" 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 [ 42.890118] audit: type=1326 audit(1514964591.498:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 [ 42.894760] QAT: Invalid ioctl [ 42.917659] audit: type=1326 audit(1514964591.499:10): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 [ 42.945226] audit: type=1326 audit(1514964591.502:11): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=179 compat=0 ip=0x452ac9 code=0x7ffc0000 [ 42.946157] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 42.976400] audit: type=1326 audit(1514964591.502:12): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 [ 43.000778] audit: type=1326 audit(1514964591.502:13): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 [ 43.025130] audit: type=1326 audit(1514964591.502:14): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=2 compat=0 ip=0x40ce01 code=0x7ffc0000 [ 43.049317] audit: type=1326 audit(1514964591.503:15): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=2 compat=0 ip=0x40ce01 code=0x7ffc0000 [ 43.073491] QAT: Invalid ioctl [ 43.076734] audit: type=1326 audit(1514964591.503:16): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=3512 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 [ 43.143675] QAT: Invalid ioctl [ 43.188054] QAT: Invalid ioctl [ 43.248695] QAT: Invalid ioctl [ 43.293558] QAT: Invalid ioctl [ 43.356064] QAT: Invalid ioctl [ 43.401615] QAT: Invalid ioctl [ 43.463551] QAT: Invalid ioctl [ 43.511484] QAT: Invalid ioctl [ 43.554110] kasan: CONFIG_KASAN_INLINE enabled [ 43.558709] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.566039] general protection fault: 0000 [#1] SMP KASAN [ 43.571553] Dumping ftrace buffer: [ 43.575055] (ftrace buffer empty) [ 43.578730] Modules linked in: [ 43.582065] CPU: 0 PID: 3552 Comm: syz-executor0 Not tainted 4.15.0-rc6+ #245 [ 43.589301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.598632] RIP: 0010:native_write_cr4+0x4/0x10 [ 43.603274] RSP: 0018:ffff8801bb8ef068 EFLAGS: 00010093 [ 43.608601] RAX: ffff8801bbc8c5c0 RBX: 00000000001606f0 RCX: ffffffff811a3242 [ 43.615834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 43.623067] RBP: ffff8801bb8ef068 R08: 1ffff1003771dd69 R09: 0000000000000004 [ 43.630301] R10: ffff8801bb8eefd8 R11: 0000000000000004 R12: 0000000000000093 [ 43.637535] R13: ffff8801bbc8c5c0 R14: ffff8801db21a130 R15: ffff8801db21a130 [ 43.644788] FS: 00007f379c0f1700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 43.652977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.658822] CR2: 0000000000000000 CR3: 0000000006822004 CR4: 00000000001626f0 [ 43.666058] Call Trace: [ 43.668615] hardware_disable+0x34a/0x4b0 [ 43.672731] ? kvm_io_bus_get_dev+0x2a0/0x2a0 [ 43.677194] kvm_arch_hardware_disable+0x35/0xd0 [ 43.681915] ? kvm_io_bus_get_dev+0x2a0/0x2a0 [ 43.686379] hardware_disable_nolock+0x30/0x40 [ 43.690933] on_each_cpu+0xca/0x1b0 [ 43.694525] hardware_disable_all_nolock+0x3e/0x50 [ 43.699420] kvm_put_kvm+0x956/0xdf0 [ 43.703102] ? kvm_clear_guest+0xb0/0xb0 [ 43.707131] ? kvm_irqfd_release+0xd1/0x120 [ 43.711417] ? lock_downgrade+0x980/0x980 [ 43.715537] ? _raw_spin_unlock_irq+0x27/0x70 [ 43.720000] ? kvm_irqfd_release+0xdd/0x120 [ 43.724283] ? kvm_irqfd_release+0xdd/0x120 [ 43.728567] ? kvm_put_kvm+0xdf0/0xdf0 [ 43.732417] kvm_vm_release+0x42/0x50 [ 43.736190] __fput+0x327/0x7e0 [ 43.739437] ? fput+0x140/0x140 [ 43.742682] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 43.748527] ? _raw_spin_unlock_irq+0x27/0x70 [ 43.752995] ____fput+0x15/0x20 [ 43.756239] task_work_run+0x199/0x270 [ 43.760095] ? task_work_cancel+0x210/0x210 [ 43.764386] ? _raw_spin_unlock+0x22/0x30 [ 43.768497] ? switch_task_namespaces+0x87/0xc0 [ 43.773133] do_exit+0x9bb/0x1ad0 [ 43.776552] ? mm_update_next_owner+0x930/0x930 [ 43.781185] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 43.786337] ? __might_sleep+0x95/0x190 [ 43.790275] ? find_held_lock+0x35/0x1d0 [ 43.794304] ? futex_wait+0x402/0x9a0 [ 43.798068] ? lock_downgrade+0x980/0x980 [ 43.802179] ? __unqueue_futex+0x1c0/0x290 [ 43.806378] ? lock_release+0xa40/0xa40 [ 43.810320] ? fault_in_user_writeable+0x90/0x90 [ 43.815041] ? do_raw_spin_trylock+0x190/0x190 [ 43.819587] ? futex_wake+0x680/0x680 [ 43.823352] ? check_noncircular+0x20/0x20 [ 43.827551] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 43.832617] ? futex_wait+0x6a9/0x9a0 [ 43.836390] ? find_held_lock+0x35/0x1d0 [ 43.840418] ? get_signal+0x7ae/0x16c0 [ 43.844269] ? lock_downgrade+0x980/0x980 [ 43.848383] do_group_exit+0x149/0x400 [ 43.852235] ? do_raw_spin_trylock+0x190/0x190 [ 43.856779] ? SyS_exit+0x30/0x30 [ 43.860198] ? _raw_spin_unlock_irq+0x27/0x70 [ 43.864657] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.869639] get_signal+0x73f/0x16c0 [ 43.873320] ? ptrace_notify+0x130/0x130 [ 43.877346] ? exit_robust_list+0x240/0x240 [ 43.881633] ? __sched_text_start+0x8/0x8 [ 43.885746] ? __fget+0x333/0x570 [ 43.889167] ? lock_downgrade+0x980/0x980 [ 43.893279] ? find_held_lock+0x35/0x1d0 [ 43.897311] do_signal+0x90/0x1eb0 [ 43.900817] ? __lock_is_held+0xb6/0x140 [ 43.904846] ? setup_sigcontext+0x7d0/0x7d0 [ 43.909134] ? schedule+0xf5/0x430 [ 43.912638] ? __schedule+0x2060/0x2060 [ 43.916574] ? iterate_fd+0x3f0/0x3f0 [ 43.920337] ? up_read+0x1a/0x40 [ 43.923669] ? __do_page_fault+0x3d6/0xc90 [ 43.927891] ? exit_to_usermode_loop+0x8c/0x310 [ 43.932528] exit_to_usermode_loop+0x214/0x310 [ 43.937072] ? __fget_light+0x297/0x380 [ 43.941010] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 43.946513] ? selinux_capable+0x40/0x40 [ 43.950543] syscall_return_slowpath+0x490/0x550 [ 43.955262] ? prepare_exit_to_usermode+0x340/0x340 [ 43.960243] ? entry_SYSCALL_64_fastpath+0x6d/0x9a [ 43.965137] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 43.970116] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 43.974839] entry_SYSCALL_64_fastpath+0x98/0x9a [ 43.979558] RIP: 0033:0x452ac9 [ 43.982714] RSP: 002b:00007f379c0f0ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 43.990386] RAX: fffffffffffffe00 RBX: 000000000071c038 RCX: 0000000000452ac9 [ 43.997625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000071c038 [ 44.004859] RBP: 000000000071c038 R08: 0000000000000000 R09: 000000000071c010 [ 44.012094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.019331] R13: 00007ffc085fbc6f R14: 00007f379c0f19c0 R15: 000000000000001c [ 44.026574] 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 [ 44.045635] RIP: native_write_cr4+0x4/0x10 RSP: ffff8801bb8ef068 [ 44.051745] ---[ end trace c2dbb8404cf8d9f6 ]--- [ 44.056465] Kernel panic - not syncing: Fatal exception [ 44.061812] Dumping ftrace buffer: [ 44.065315] (ftrace buffer empty) [ 44.069005] Kernel Offset: disabled [ 44.072596] Rebooting in 86400 seconds..