[....] Starting enhanced syslogd: rsyslogd[ 10.892641] audit: type=1400 audit(1514337001.255:5): avc: denied { syslog } for pid=2990 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: [ 16.343858] audit: type=1400 audit(1514337006.706:6): avc: denied { map } for pid=3130 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-next-kasan-gce-3,10.128.0.51' (ECDSA) to the list of known hosts. [ 22.517558] audit: type=1400 audit(1514337012.880:7): avc: denied { map } for pid=3144 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 2017/12/27 01:10:12 parsed 1 programs 2017/12/27 01:10:12 executed programs: 0 [ 22.635354] audit: type=1400 audit(1514337012.998:8): avc: denied { map } for pid=3144 comm="syz-execprog" path="/root/syzkaller-shm828700461" 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 [ 22.661133] audit: type=1400 audit(1514337012.998:9): avc: denied { sys_admin } for pid=3149 comm="syz-executor0" 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 [ 22.691423] audit: type=1400 audit(1514337013.054:10): avc: denied { sys_chroot } for pid=3152 comm="syz-executor0" 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 [ 22.730996] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 23.659111] WARNING: CPU: 0 PID: 3246 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.668511] Kernel panic - not syncing: panic_on_warn set ... [ 23.668511] [ 23.675847] CPU: 0 PID: 3246 Comm: syz-executor0 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 23.684215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.693535] Call Trace: [ 23.696095] dump_stack+0x194/0x257 [ 23.699693] ? arch_local_irq_restore+0x53/0x53 [ 23.704335] ? vsnprintf+0x1ed/0x1900 [ 23.708108] panic+0x1e4/0x41c [ 23.711270] ? refcount_error_report+0x214/0x214 [ 23.715994] ? show_regs_print_info+0x18/0x18 [ 23.720468] ? __warn+0x1c1/0x200 [ 23.723893] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.728877] __warn+0x1dc/0x200 [ 23.732131] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.737122] report_bug+0x211/0x2d0 [ 23.740725] fixup_bug.part.11+0x37/0x80 [ 23.744754] do_error_trap+0x2d7/0x3e0 [ 23.748610] ? trace_hardirqs_on+0xd/0x10 [ 23.752731] ? math_error+0x400/0x400 [ 23.756499] ? __lock_is_held+0xb6/0x140 [ 23.760551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.765371] do_invalid_op+0x1b/0x20 [ 23.769061] invalid_op+0x22/0x40 [ 23.772495] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.778084] RSP: 0018:ffff8801c349f6b0 EFLAGS: 00010293 [ 23.783418] RAX: ffff8801c34ea400 RBX: ffff8801c6f55000 RCX: ffffffff810df6b7 [ 23.790660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c3959120 [ 23.797902] RBP: ffff8801c349fa40 R08: 1ffff1003872bcbb R09: 0000000000000001 [ 23.805141] R10: ffff8801c349f690 R11: 0000000000000000 R12: 0000000000000000 [ 23.812385] R13: ffff8801c8482080 R14: ffff8801c3958f00 R15: ffff8801c3958f00 [ 23.819656] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.824658] ? mark_held_locks+0xaf/0x100 [ 23.828777] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 23.833851] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.838835] ? trace_hardirqs_on+0xd/0x10 [ 23.842955] ? free_object+0x150/0x230 [ 23.846812] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 23.851622] ? debug_stats_show+0xd0/0xd0 [ 23.855738] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 23.860812] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.865803] ? debug_object_free+0x2f1/0x5a0 [ 23.870178] ? lockdep_init_map+0x9/0x10 [ 23.874218] ? debug_object_destroy+0x2b0/0x2b0 [ 23.878867] ? __wait_rcu_gp+0x230/0x340 [ 23.882911] ? synchronize_sched.part.65+0xac/0x100 [ 23.887899] ? synchronize_sched_expedited+0xf0/0xf0 [ 23.892971] ? call_rcu_bh+0x20/0x20 [ 23.896658] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.902517] ? put_pid+0x183/0x1f0 [ 23.906032] ? task_active_pid_ns+0xd0/0xd0 [ 23.910323] ? __might_sleep+0x95/0x190 [ 23.914273] kvm_vcpu_ioctl+0x6f1/0xff0 [ 23.918218] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 23.922335] ? lock_downgrade+0x980/0x980 [ 23.926456] ? kvm_vcpu_fault+0x520/0x520 [ 23.930581] ? find_held_lock+0x35/0x1d0 [ 23.934617] ? __fget+0x333/0x570 [ 23.938039] ? lock_downgrade+0x980/0x980 [ 23.942158] ? lock_release+0xa40/0xa40 [ 23.946110] ? __lock_is_held+0xb6/0x140 [ 23.950152] ? __fget+0x35c/0x570 [ 23.953587] ? iterate_fd+0x3f0/0x3f0 [ 23.957357] ? trace_hardirqs_on+0xd/0x10 [ 23.961473] ? _raw_spin_unlock_irq+0x27/0x70 [ 23.965938] ? task_work_run+0x1f4/0x270 [ 23.969974] ? kvm_vcpu_fault+0x520/0x520 [ 23.974091] do_vfs_ioctl+0x1b1/0x1520 [ 23.977960] ? ioctl_preallocate+0x2b0/0x2b0 [ 23.982342] ? selinux_capable+0x40/0x40 [ 23.986378] ? SyS_futex+0x269/0x390 [ 23.990073] ? security_file_ioctl+0x89/0xb0 [ 23.994462] SyS_ioctl+0x8f/0xc0 [ 23.997805] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.002536] RIP: 0033:0x452ac9 [ 24.005696] RSP: 002b:00007f1108156c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 24.013371] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452ac9 [ 24.020609] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 24.027849] RBP: 000000000000005c R08: 0000000000000000 R09: 0000000000000000 [ 24.035098] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ed940 [ 24.042338] R13: 00000000ffffffff R14: 00007f11081576d4 R15: 0000000000000002 [ 24.050145] Dumping ftrace buffer: [ 24.053741] (ftrace buffer empty) [ 24.057431] Kernel Offset: disabled [ 24.061027] Rebooting in 86400 seconds..