[....] Starting enhanced syslogd: rsyslogd[ 13.028487] audit: type=1400 audit(1512781580.977:5): avc: denied { syslog } for pid=3003 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: [ 18.960289] audit: type=1400 audit(1512781586.909:6): avc: denied { map } for pid=3142 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-mmots-kasan-gce-6,10.128.15.242' (ECDSA) to the list of known hosts. [ 40.734128] audit: type=1400 audit(1512781608.682:7): avc: denied { map } for pid=3159 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 2017/12/09 01:06:49 parsed 1 programs 2017/12/09 01:06:49 executed programs: 0 [ 41.198104] audit: type=1400 audit(1512781609.146:8): avc: denied { map } for pid=3159 comm="syz-execprog" path="/root/syzkaller-shm031808663" 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 [ 41.285512] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/09 01:06:54 executed programs: 328 [ 46.206399] WARNING: CPU: 0 PID: 4353 at arch/x86/kvm/x86.c:7295 kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 46.215792] Kernel panic - not syncing: panic_on_warn set ... [ 46.215792] [ 46.223152] CPU: 0 PID: 4353 Comm: syz-executor6 Not tainted 4.15.0-rc2-mm1+ #39 [ 46.230674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.240015] Call Trace: [ 46.242593] dump_stack+0x194/0x257 [ 46.246222] ? arch_local_irq_restore+0x53/0x53 [ 46.250892] ? vsnprintf+0x1ed/0x1900 [ 46.254694] panic+0x1e4/0x41c [ 46.257883] ? refcount_error_report+0x214/0x214 [ 46.262631] ? show_regs_print_info+0x18/0x18 [ 46.267133] ? __warn+0x1c1/0x200 [ 46.270589] ? kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 46.275595] __warn+0x1dc/0x200 [ 46.278868] ? kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 46.283883] report_bug+0x211/0x2d0 [ 46.287513] fixup_bug.part.11+0x37/0x80 [ 46.291572] do_error_trap+0x2d7/0x3e0 [ 46.295460] ? math_error+0x400/0x400 [ 46.299263] ? __lock_is_held+0xbc/0x140 [ 46.303331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.308179] do_invalid_op+0x1b/0x20 [ 46.311884] invalid_op+0x22/0x40 [ 46.315329] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 46.320940] RSP: 0018:ffff8801ccaff6b0 EFLAGS: 00010293 [ 46.326303] RAX: ffff8801c9cb4340 RBX: ffff8801d3d9e000 RCX: ffffffff810dee44 [ 46.333562] RDX: 0000000000000000 RSI: ffffffff863449c0 RDI: ffff8801cab71d78 [ 46.340820] RBP: ffff8801ccaffa40 R08: 1ffff1003956ee43 R09: 0000000000000001 [ 46.348581] R10: ffff8801ccaffa58 R11: 0000000000000000 R12: 0000000000000000 [ 46.355846] R13: ffff8801c9cb4340 R14: ffff8801ce443400 R15: ffff8801cab71b40 [ 46.363132] ? kvm_arch_vcpu_ioctl_run+0x1d4/0x5be0 [ 46.368162] ? vmcs_load+0xb3/0x180 [ 46.371786] ? crash_vmclear_local_loaded_vmcss+0x160/0x160 [ 46.377488] ? mark_held_locks+0xb2/0x100 [ 46.381632] ? vmx_vcpu_load+0x301/0xde0 [ 46.385703] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 46.390548] ? handle_invept+0x5f0/0x5f0 [ 46.394632] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 46.399820] ? drop_futex_key_refs.isra.13+0x63/0xa0 [ 46.404920] ? futex_wake+0x2ca/0x680 [ 46.408718] ? kvm_vm_ioctl+0x220/0x1c40 [ 46.412792] ? kvm_lapic_hv_timer_in_use+0xae/0xd0 [ 46.417717] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 46.422211] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 46.426701] ? preempt_notifier_dec+0x20/0x20 [ 46.431190] ? lock_release+0xda0/0xda0 [ 46.435179] kvm_vcpu_ioctl+0x64c/0x1010 [ 46.439234] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 46.443473] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 46.448748] ? find_held_lock+0x39/0x1d0 [ 46.452821] ? lock_downgrade+0x980/0x980 [ 46.456966] ? __fget+0xbb/0x580 [ 46.460337] ? lock_release+0xda0/0xda0 [ 46.464313] ? __lock_is_held+0xbc/0x140 [ 46.468391] ? __fget+0x362/0x580 [ 46.471851] ? iterate_fd+0x3f0/0x3f0 [ 46.475649] ? get_unused_fd_flags+0x190/0x190 [ 46.480224] ? may_open_dev+0xe0/0xe0 [ 46.484033] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 46.489306] do_vfs_ioctl+0x1b1/0x1530 [ 46.493188] ? putname+0xee/0x130 [ 46.496642] ? ioctl_preallocate+0x2b0/0x2b0 [ 46.501050] ? selinux_capable+0x40/0x40 [ 46.505118] ? SyS_futex+0x269/0x390 [ 46.508848] ? security_file_ioctl+0x89/0xb0 [ 46.513261] SyS_ioctl+0x8f/0xc0 [ 46.516632] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 46.521380] RIP: 0033:0x452a39 [ 46.524562] RSP: 002b:00007fc87b9dbc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 46.532274] RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 [ 46.539538] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 46.546796] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 46.554056] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3728 [ 46.561318] R13: 00000000ffffffff R14: 00007fc87b9dc6d4 R15: 0000000000000000 [ 46.569247] Dumping ftrace buffer: [ 46.572858] (ftrace buffer empty) [ 46.576539] Kernel Offset: disabled [ 46.580140] Rebooting in 86400 seconds..