[....] Starting enhanced syslogd: rsyslogd[ 10.900046] audit: type=1400 audit(1514262237.314:5): avc: denied { syslog } for pid=2995 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: [ 16.700205] audit: type=1400 audit(1514262243.115:6): avc: denied { map } for pid=3136 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-kasan-gce-386-4,10.128.0.63' (ECDSA) to the list of known hosts. [ 22.860867] audit: type=1400 audit(1514262249.275:7): avc: denied { map } for pid=3150 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 2017/12/26 04:24:09 parsed 1 programs 2017/12/26 04:24:09 executed programs: 0 [ 22.962551] audit: type=1400 audit(1514262249.377:8): avc: denied { map } for pid=3150 comm="syz-execprog" path="/root/syzkaller-shm568364539" 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 [ 22.989584] audit: type=1400 audit(1514262249.377:9): avc: denied { sys_admin } for pid=3155 comm="syz-executor4" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 23.065441] audit: type=1400 audit(1514262249.480:10): avc: denied { sys_chroot } for pid=3158 comm="syz-executor4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 23.095841] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 27.651877] WARNING: CPU: 1 PID: 4252 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.661294] Kernel panic - not syncing: panic_on_warn set ... [ 27.661294] [ 27.668632] CPU: 1 PID: 4252 Comm: syz-executor2 Not tainted 4.15.0-rc5+ #147 [ 27.675870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.685190] Call Trace: [ 27.687750] dump_stack+0x194/0x257 [ 27.691351] ? arch_local_irq_restore+0x53/0x53 [ 27.695994] ? vsnprintf+0x1ed/0x1900 [ 27.699780] panic+0x1e4/0x41c [ 27.702950] ? refcount_error_report+0x214/0x214 [ 27.707677] ? show_regs_print_info+0x18/0x18 [ 27.712146] ? __warn+0x1c1/0x200 [ 27.715574] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.720557] __warn+0x1dc/0x200 [ 27.723806] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.728795] report_bug+0x211/0x2d0 [ 27.732397] fixup_bug.part.11+0x37/0x80 [ 27.736428] do_error_trap+0x2d7/0x3e0 [ 27.740282] ? check_noncircular+0x20/0x20 [ 27.744487] ? trace_hardirqs_on+0xd/0x10 [ 27.748604] ? math_error+0x400/0x400 [ 27.752375] ? __lock_is_held+0xb6/0x140 [ 27.756415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.761231] do_invalid_op+0x1b/0x20 [ 27.764916] invalid_op+0x22/0x40 [ 27.768345] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.773932] RSP: 0018:ffff8801bd72f580 EFLAGS: 00010293 [ 27.779525] RAX: ffff8801d8b380c0 RBX: ffff8801c9872000 RCX: ffffffff810deeef [ 27.786764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d52d9620 [ 27.794016] RBP: ffff8801bd72f910 R08: 1ffff10037ae5e93 R09: 0000000000000001 [ 27.801267] R10: ffff8801bd72f930 R11: 0000000000000000 R12: 0000000000000000 [ 27.808508] R13: 1ffff10037ae5f4d R14: ffff8801d5574d80 R15: ffff8801d52d9400 [ 27.815933] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 27.821799] ? mark_held_locks+0xaf/0x100 [ 27.825919] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.830997] ? trace_hardirqs_on+0xd/0x10 [ 27.835151] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 27.839971] ? debug_stats_show+0xd0/0xd0 [ 27.844094] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.849438] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.854440] ? debug_object_free+0x2f1/0x5a0 [ 27.858816] ? lockdep_init_map+0x9/0x10 [ 27.862848] ? debug_object_destroy+0x2b0/0x2b0 [ 27.867501] ? __wait_rcu_gp+0x230/0x340 [ 27.871542] ? synchronize_sched.part.64+0xac/0x100 [ 27.876527] ? synchronize_sched_expedited+0xf0/0xf0 [ 27.881597] ? call_rcu_bh+0x20/0x20 [ 27.885284] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.891170] ? put_pid+0x183/0x1f0 [ 27.894694] ? task_active_pid_ns+0xd0/0xd0 [ 27.898988] ? __might_sleep+0x95/0x190 [ 27.902939] kvm_vcpu_ioctl+0x64c/0x1010 [ 27.906972] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 27.911353] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 27.917208] ? __fget+0x333/0x570 [ 27.920633] ? lock_downgrade+0x980/0x980 [ 27.924754] ? lock_release+0xa40/0xa40 [ 27.928701] ? __lock_is_held+0xb6/0x140 [ 27.932745] ? __fget+0x35c/0x570 [ 27.936183] ? iterate_fd+0x3f0/0x3f0 [ 27.939954] ? lock_downgrade+0x980/0x980 [ 27.944078] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 27.949949] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 27.954848] ? selinux_file_ioctl+0x444/0x690 [ 27.959310] ? __fget_light+0x297/0x380 [ 27.963262] kvm_vcpu_compat_ioctl+0x364/0x450 [ 27.967818] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 27.972119] ? compat_SyS_futex+0x288/0x380 [ 27.976413] ? security_file_ioctl+0x7d/0xb0 [ 27.980790] ? security_file_ioctl+0x89/0xb0 [ 27.985175] compat_SyS_ioctl+0x151/0x2a30 [ 27.989387] ? do_fast_syscall_32+0x156/0xf9d [ 27.993852] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 27.998144] ? do_ioctl+0x60/0x60 [ 28.001569] do_fast_syscall_32+0x3ee/0xf9d [ 28.005859] ? do_raw_spin_trylock+0x190/0x190 [ 28.010414] ? do_int80_syscall_32+0x9d0/0x9d0 [ 28.014974] ? syscall_return_slowpath+0x2ad/0x550 [ 28.019871] ? prepare_exit_to_usermode+0x340/0x340 [ 28.024859] ? sysret32_from_system_call+0x5/0x3b [ 28.029676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.034499] entry_SYSENTER_compat+0x54/0x63 [ 28.038881] RIP: 0023:0xf7f8ec79 [ 28.042213] RSP: 002b:00000000f7f4708c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 [ 28.050937] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae80 [ 28.059043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.066279] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.073523] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.080764] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.089143] Dumping ftrace buffer: [ 28.093004] (ftrace buffer empty) [ 28.096680] Kernel Offset: disabled [ 28.100279] Rebooting in 86400 seconds..