[....] Starting enhanced syslogd: rsyslogd[ 11.150494] audit: type=1400 audit(1514602631.267:5): avc: denied { syslog } for pid=3037 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 17.040609] audit: type=1400 audit(1514602637.157:6): avc: denied { map } for pid=3176 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 '10.128.0.5' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.614472] audit: type=1400 audit(1514602644.731:7): avc: denied { map } for pid=3191 comm="syzkaller707383" path="/root/syzkaller707383913" 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 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 [ 24.649931] 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 [ 24.931085] WARNING: CPU: 1 PID: 3220 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.940536] Kernel panic - not syncing: panic_on_warn set ... [ 24.940536] [ 24.947872] CPU: 1 PID: 3220 Comm: syzkaller707383 Not tainted 4.15.0-rc5+ #241 [ 24.955285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.964607] Call Trace: [ 24.967166] dump_stack+0x194/0x257 [ 24.970764] ? arch_local_irq_restore+0x53/0x53 [ 24.975405] ? vsnprintf+0x1ed/0x1900 [ 24.979178] panic+0x1e4/0x41c [ 24.982337] ? refcount_error_report+0x214/0x214 [ 24.987059] ? show_regs_print_info+0x18/0x18 [ 24.991536] ? __warn+0x1c1/0x200 [ 24.994961] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.999943] __warn+0x1dc/0x200 [ 25.003189] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.008179] report_bug+0x211/0x2d0 [ 25.011778] fixup_bug.part.11+0x37/0x80 [ 25.015807] do_error_trap+0x2d7/0x3e0 [ 25.019666] ? trace_hardirqs_on+0xd/0x10 [ 25.023783] ? math_error+0x400/0x400 [ 25.027551] ? __lock_is_held+0xb6/0x140 [ 25.031588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.036401] do_invalid_op+0x1b/0x20 [ 25.040080] invalid_op+0x22/0x40 [ 25.043500] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.049089] RSP: 0018:ffff8801c71d76b0 EFLAGS: 00010293 [ 25.054418] RAX: ffff8801c77ea700 RBX: ffff8801c6167000 RCX: ffffffff810deeef [ 25.061652] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c58b0ea0 [ 25.068887] RBP: ffff8801c71d7a40 R08: 1ffff10038e3aeb8 R09: 0000000000000001 [ 25.076132] R10: ffff8801c71d7a58 R11: 0000000000000000 R12: 0000000000000000 [ 25.083372] R13: 1ffff10038e3af72 R14: ffff8801d8ef3d00 R15: ffff8801c58b0c80 [ 25.090625] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 25.095620] ? mark_held_locks+0xaf/0x100 [ 25.099736] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.104806] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.109789] ? trace_hardirqs_on+0xd/0x10 [ 25.113907] ? free_object+0x150/0x230 [ 25.117761] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 25.122570] ? debug_stats_show+0xd0/0xd0 [ 25.126683] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.131756] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.136745] ? debug_object_free+0x2f1/0x5a0 [ 25.141116] ? lockdep_init_map+0x9/0x10 [ 25.145154] ? debug_object_destroy+0x2b0/0x2b0 [ 25.149803] ? __wait_rcu_gp+0x230/0x340 [ 25.153849] ? synchronize_sched.part.64+0xac/0x100 [ 25.158831] ? synchronize_sched_expedited+0xf0/0xf0 [ 25.163901] ? call_rcu_bh+0x20/0x20 [ 25.167582] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.173434] ? put_pid+0x183/0x1f0 [ 25.176939] ? task_active_pid_ns+0xd0/0xd0 [ 25.181228] ? __might_sleep+0x95/0x190 [ 25.185174] kvm_vcpu_ioctl+0x64c/0x1010 [ 25.189208] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 25.193411] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 25.199271] ? find_held_lock+0x35/0x1d0 [ 25.203306] ? __fget+0x333/0x570 [ 25.206728] ? lock_downgrade+0x980/0x980 [ 25.210839] ? find_held_lock+0x35/0x1d0 [ 25.214869] ? lock_release+0xa40/0xa40 [ 25.218811] ? __lock_is_held+0xb6/0x140 [ 25.222851] ? __fget+0x35c/0x570 [ 25.226277] ? iterate_fd+0x3f0/0x3f0 [ 25.230055] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 25.235910] do_vfs_ioctl+0x1b1/0x1520 [ 25.240551] ? ioctl_preallocate+0x2b0/0x2b0 [ 25.244929] ? selinux_capable+0x40/0x40 [ 25.248960] ? SyS_futex+0x269/0x390 [ 25.252657] ? security_file_ioctl+0x89/0xb0 [ 25.257034] SyS_ioctl+0x8f/0xc0 [ 25.260372] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 25.265093] RIP: 0033:0x445a99 [ 25.268249] RSP: 002b:00007fa2eb50fda8 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 25.275923] RAX: ffffffffffffffda RBX: 00000000006dac54 RCX: 0000000000445a99 [ 25.283157] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000016 [ 25.290394] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.297629] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dac50 [ 25.304873] R13: 6d766b2f7665642f R14: 00007fa2eb5109c0 R15: 0000000000000009 [ 25.312294] Dumping ftrace buffer: [ 25.315866] (ftrace buffer empty) [ 25.319544] Kernel Offset: disabled [ 25.323141] Rebooting in 86400 seconds..