[....] Starting enhanced syslogd: rsyslogd[ 11.037584] audit: type=1400 audit(1515454348.025:5): avc: denied { syslog } for pid=3308 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: [ 16.422229] audit: type=1400 audit(1515454353.410:6): avc: denied { map } for pid=3448 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 '10.128.15.225' (ECDSA) to the list of known hosts. [ 22.558368] audit: type=1400 audit(1515454359.546:7): avc: denied { map } for pid=3462 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 2018/01/08 23:32:39 parsed 1 programs 2018/01/08 23:32:39 executed programs: 0 [ 22.680987] audit: type=1400 audit(1515454359.667:8): avc: denied { map } for pid=3462 comm="syz-execprog" path="/root/syzkaller-shm352760181" 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 [ 22.746569] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 26.073463] WARNING: CPU: 1 PID: 4399 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 26.082888] Kernel panic - not syncing: panic_on_warn set ... [ 26.082888] [ 26.090248] CPU: 1 PID: 4399 Comm: syz-executor0 Not tainted 4.15.0-rc6-mm1+ #51 [ 26.097775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.107117] Call Trace: [ 26.109699] dump_stack+0x137/0x198 [ 26.113326] panic+0x1e4/0x41c [ 26.116513] ? refcount_error_report+0x214/0x214 [ 26.121260] ? show_regs_print_info+0x18/0x18 [ 26.125755] ? __probe_kernel_read+0x16b/0x1c0 [ 26.130333] ? __warn+0x1c1/0x200 [ 26.133786] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 26.138794] __warn+0x1dc/0x200 [ 26.142071] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 26.147085] report_bug+0x211/0x2d0 [ 26.150710] fixup_bug.part.11+0x37/0x80 [ 26.154766] do_error_trap+0x249/0x290 [ 26.158654] ? math_error+0x310/0x310 [ 26.162446] ? _cond_resched+0x14/0x30 [ 26.166323] ? futex_wait_queue_me+0x3fa/0x5f0 [ 26.170902] ? check_noncircular+0x20/0x20 [ 26.175137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.179978] do_invalid_op+0x1b/0x20 [ 26.183686] invalid_op+0x22/0x40 [ 26.187134] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 26.192742] RSP: 0018:ffff8801cb02fac0 EFLAGS: 00010293 [ 26.198096] RAX: ffff8801c9b981c0 RBX: ffff8801c0055000 RCX: ffffffff810b889d [ 26.205356] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c8171460 [ 26.212612] RBP: ffff8801cb02fc00 R08: 1ffff1003902ed23 R09: 0000000000000001 [ 26.219873] R10: ffff8801cb02faa0 R11: 0000000000000001 R12: 0000000000000000 [ 26.227136] R13: ffff8801c2f6f300 R14: ffff8801c8171240 R15: ffff8801c8171240 [ 26.234417] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 26.239438] ? mutex_lock_io_nested+0x1400/0x1400 [ 26.244272] ? futex_wake+0x13e/0x430 [ 26.248074] ? kvm_set_memory_region+0x39/0x50 [ 26.252673] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 26.257540] ? save_stack+0xa3/0xd0 [ 26.261196] kvm_vcpu_ioctl+0x601/0xcb0 [ 26.265162] ? kvm_vcpu_ioctl+0x601/0xcb0 [ 26.269308] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 26.273464] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.278649] ? trace_hardirqs_off+0xd/0x10 [ 26.282880] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 26.287980] ? check_noncircular+0x20/0x20 [ 26.292210] ? find_held_lock+0x35/0x1e0 [ 26.296278] ? find_held_lock+0x35/0x1e0 [ 26.300340] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 26.304486] do_vfs_ioctl+0x190/0xfe0 [ 26.308280] ? selinux_file_ioctl+0x354/0x540 [ 26.312769] ? lock_downgrade+0x860/0x860 [ 26.316914] ? ioctl_preallocate+0x1c0/0x1c0 [ 26.321326] ? __fget+0x22b/0x390 [ 26.324784] ? security_file_ioctl+0x89/0xb0 [ 26.329195] SyS_ioctl+0x8f/0xc0 [ 26.332562] entry_SYSCALL_64_fastpath+0x23/0x9a [ 26.337303] RIP: 0033:0x452ac9 [ 26.340478] RSP: 002b:00007f6fe56b6c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 26.348176] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 26.355433] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 26.362694] RBP: 00000000000003a3 R08: 0000000000000000 R09: 0000000000000000 [ 26.369952] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f37e8 [ 26.377212] R13: 00000000ffffffff R14: 00007f6fe56b76d4 R15: 0000000000000000 [ 26.385090] Dumping ftrace buffer: [ 26.388667] (ftrace buffer empty) [ 26.392343] Kernel Offset: disabled [ 26.395939] Rebooting in 86400 seconds..