[....] Starting enhanced syslogd: rsyslogd[ 10.652472] audit: type=1400 audit(1515454558.722:5): avc: denied { syslog } for pid=3310 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: [ 15.468693] audit: type=1400 audit(1515454563.538:6): avc: denied { map } for pid=3451 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 '10.128.0.31' (ECDSA) to the list of known hosts. net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 [ 21.624335] audit: type=1400 audit(1515454569.694:7): avc: denied { map } for pid=3465 comm="syzkaller080496" path="/root/syzkaller080496514" 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 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program [ 22.466664] 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 executing program executing program executing program executing program [ 27.938195] WARNING: CPU: 1 PID: 4939 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 27.947626] Kernel panic - not syncing: panic_on_warn set ... [ 27.947626] [ 27.954983] CPU: 1 PID: 4939 Comm: syzkaller080496 Not tainted 4.15.0-rc6-next-20180108+ #90 [ 27.963542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.972869] Call Trace: [ 27.975432] dump_stack+0x137/0x198 [ 27.979036] panic+0x1e4/0x41c [ 27.982211] ? refcount_error_report+0x214/0x214 [ 27.986934] ? show_regs_print_info+0x18/0x18 [ 27.991402] ? __probe_kernel_read+0x16b/0x1c0 [ 27.995951] ? vmcs_load+0x9c/0x110 [ 27.999548] ? __warn+0x1c1/0x200 [ 28.002974] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 28.007957] __warn+0x1dc/0x200 [ 28.011206] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 28.016201] report_bug+0x211/0x2d0 [ 28.019801] fixup_bug.part.11+0x37/0x80 [ 28.023834] do_error_trap+0x249/0x290 [ 28.027692] ? math_error+0x310/0x310 [ 28.031467] ? check_noncircular+0x20/0x20 [ 28.035670] ? mark_held_locks+0xaf/0x100 [ 28.039791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.044609] do_invalid_op+0x1b/0x20 [ 28.048289] invalid_op+0x22/0x40 [ 28.051712] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 28.057326] RSP: 0018:ffff8801d911fac0 EFLAGS: 00010293 [ 28.062658] RAX: ffff8801d847a340 RBX: ffff8801d5d99000 RCX: ffffffff810b891d [ 28.069896] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c17988a0 [ 28.077136] RBP: ffff8801d911fc00 R08: 1ffff100382f3bab R09: 0000000000000001 [ 28.084374] R10: ffff8801d911faa0 R11: 0000000000000000 R12: 0000000000000000 [ 28.091612] R13: ffff8801c3bf3700 R14: ffff8801c1798680 R15: ffff8801c1798680 [ 28.098871] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 28.103877] ? synchronize_sched.part.64+0x8e/0xd0 [ 28.108777] ? call_rcu_bh+0x20/0x20 [ 28.112467] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 28.117289] kvm_vcpu_ioctl+0x601/0xcb0 [ 28.121231] ? kvm_vcpu_ioctl+0x601/0xcb0 [ 28.125350] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 28.129474] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 28.134637] ? check_noncircular+0x20/0x20 [ 28.138840] ? lock_downgrade+0x860/0x860 [ 28.142956] ? lock_acquire+0x16b/0x420 [ 28.146900] ? _raw_spin_unlock_irq+0x27/0x70 [ 28.151371] ? find_held_lock+0x35/0x1e0 [ 28.155402] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 28.159522] do_vfs_ioctl+0x190/0xfe0 [ 28.163290] ? selinux_file_ioctl+0x354/0x540 [ 28.167757] ? lock_downgrade+0x860/0x860 [ 28.171876] ? ioctl_preallocate+0x1c0/0x1c0 [ 28.176279] ? __fget+0x22b/0x390 [ 28.179709] ? security_file_ioctl+0x89/0xb0 [ 28.184093] SyS_ioctl+0x8f/0xc0 [ 28.187434] entry_SYSCALL_64_fastpath+0x23/0x9a [ 28.192156] RIP: 0033:0x44b219 [ 28.195314] RSP: 002b:00007f6562e0cda8 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 28.202992] RAX: ffffffffffffffda RBX: 00000000006ddc3c RCX: 000000000044b219 [ 28.210232] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 28.217470] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.224708] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006ddc38 [ 28.231946] R13: 6d766b2f7665642f R14: 00007f6562e0d9c0 R15: 0000000000000009 [ 28.239812] Dumping ftrace buffer: [ 28.243395] (ftrace buffer empty) [ 28.247073] Kernel Offset: disabled [ 28.250668] Rebooting in 86400 seconds..