[....] Starting enhanced syslogd: rsyslogd[ 11.479506] audit: type=1400 audit(1514227674.330:5): 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: [ 16.503170] audit: type=1400 audit(1514227679.353:6): avc: denied { map } for pid=3134 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-5,10.128.15.194' (ECDSA) to the list of known hosts. [ 22.625907] audit: type=1400 audit(1514227685.476:7): avc: denied { map } for pid=3148 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 2017/12/25 18:48:05 parsed 1 programs 2017/12/25 18:48:05 executed programs: 0 [ 22.736190] audit: type=1400 audit(1514227685.583:8): avc: denied { map } for pid=3148 comm="syz-execprog" path="/root/syzkaller-shm135224345" 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 [ 22.787954] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 23.217303] WARNING: CPU: 1 PID: 3277 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.226717] Kernel panic - not syncing: panic_on_warn set ... [ 23.226717] [ 23.234047] CPU: 1 PID: 3277 Comm: syz-executor4 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 23.242413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.251733] Call Trace: [ 23.254290] dump_stack+0x194/0x257 [ 23.257886] ? arch_local_irq_restore+0x53/0x53 [ 23.262536] ? vsnprintf+0x1ed/0x1900 [ 23.266312] panic+0x1e4/0x41c [ 23.269482] ? refcount_error_report+0x214/0x214 [ 23.274208] ? show_regs_print_info+0x18/0x18 [ 23.278678] ? __warn+0x1c1/0x200 [ 23.282102] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.287083] __warn+0x1dc/0x200 [ 23.290330] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.295314] report_bug+0x211/0x2d0 [ 23.298915] fixup_bug.part.11+0x37/0x80 [ 23.302944] do_error_trap+0x2d7/0x3e0 [ 23.306809] ? math_error+0x400/0x400 [ 23.310591] ? __lock_is_held+0xb6/0x140 [ 23.314629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.319445] do_invalid_op+0x1b/0x20 [ 23.323127] invalid_op+0x22/0x40 [ 23.326555] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.332143] RSP: 0018:ffff8801c42176b0 EFLAGS: 00010293 [ 23.337474] RAX: ffff8801c4268200 RBX: ffff8801c628f000 RCX: ffffffff810df6b7 [ 23.344710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c3d49060 [ 23.351947] RBP: ffff8801c4217a40 R08: 1ffff100387a9ca3 R09: 0000000000000001 [ 23.359534] R10: ffff8801c4217690 R11: 0000000000000004 R12: 0000000000000000 [ 23.366783] R13: ffff8801c4c86c00 R14: ffff8801c3d48e40 R15: ffff8801c3d48e40 [ 23.374038] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 23.379033] ? mutex_lock_io_nested+0x1900/0x1900 [ 23.383845] ? futex_wait_setup+0x22e/0x3d0 [ 23.388150] ? futex_wake+0x680/0x680 [ 23.391917] ? lock_downgrade+0x980/0x980 [ 23.396036] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 23.400846] ? __lock_acquire+0x664/0x3e00 [ 23.405045] ? mmdrop+0x18/0x30 [ 23.408306] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 23.413374] ? futex_wait+0x6a9/0x9a0 [ 23.417152] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 23.422312] ? mmdrop+0x18/0x30 [ 23.425557] ? drop_futex_key_refs.isra.12+0x63/0xa0 [ 23.430627] ? futex_wake+0x2ca/0x680 [ 23.434402] ? get_futex_key+0x1d50/0x1d50 [ 23.438617] ? lock_release+0xa40/0xa40 [ 23.442558] ? check_noncircular+0x20/0x20 [ 23.446771] kvm_vcpu_ioctl+0x6f1/0xff0 [ 23.450713] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 23.454830] ? kvm_vcpu_fault+0x520/0x520 [ 23.458954] ? find_held_lock+0x35/0x1d0 [ 23.462991] ? __fget+0x333/0x570 [ 23.466412] ? lock_downgrade+0x980/0x980 [ 23.470544] ? lock_release+0xa40/0xa40 [ 23.474487] ? __lock_is_held+0xb6/0x140 [ 23.478531] ? __fget+0x35c/0x570 [ 23.481958] ? iterate_fd+0x3f0/0x3f0 [ 23.485729] ? get_unused_fd_flags+0x190/0x190 [ 23.490280] ? may_open_dev+0xe0/0xe0 [ 23.494055] ? kvm_vcpu_fault+0x520/0x520 [ 23.498167] do_vfs_ioctl+0x1b1/0x1520 [ 23.502025] ? putname+0xee/0x130 [ 23.505451] ? ioctl_preallocate+0x2b0/0x2b0 [ 23.509831] ? selinux_capable+0x40/0x40 [ 23.513864] ? SyS_futex+0x269/0x390 [ 23.517558] ? security_file_ioctl+0x89/0xb0 [ 23.521936] SyS_ioctl+0x8f/0xc0 [ 23.525275] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.529996] RIP: 0033:0x452ac9 [ 23.533152] RSP: 002b:00007faefe62fc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 23.540835] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 23.548072] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 23.555310] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 23.562549] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 [ 23.569785] R13: 00000000ffffffff R14: 00007faefe6306d4 R15: 0000000000000000 [ 23.577214] Dumping ftrace buffer: [ 23.580791] (ftrace buffer empty) [ 23.584476] Kernel Offset: disabled [ 23.588074] Rebooting in 86400 seconds..