[....] Starting enhanced syslogd: rsyslogd[ 12.891741] audit: type=1400 audit(1512725749.745:5): avc: denied { syslog } for pid=2994 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: [ 33.802784] audit: type=1400 audit(1512725770.656:6): avc: denied { map } for pid=3138 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-4,10.128.15.209' (ECDSA) to the list of known hosts. [ 129.794577] audit: type=1400 audit(1512725866.648:7): avc: denied { map } for pid=3150 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 2017/12/08 09:37:47 parsed 1 programs 2017/12/08 09:37:47 executed programs: 0 [ 130.258511] audit: type=1400 audit(1512725867.111:8): avc: denied { map } for pid=3150 comm="syz-execprog" path="/root/syzkaller-shm673351280" 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 [ 130.343672] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 132.862939] WARNING: CPU: 1 PID: 3723 at arch/x86/kvm/emulate.c:5630 x86_emulate_insn+0xd01/0x3c20 [ 132.872091] Kernel panic - not syncing: panic_on_warn set ... [ 132.872091] [ 132.879451] CPU: 1 PID: 3723 Comm: syz-executor0 Not tainted 4.15.0-rc2-mm1+ #39 [ 132.886973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.896315] Call Trace: [ 132.898901] dump_stack+0x194/0x257 [ 132.902539] ? arch_local_irq_restore+0x53/0x53 [ 132.907211] ? vsnprintf+0x1ed/0x1900 [ 132.911011] panic+0x1e4/0x41c [ 132.914199] ? refcount_error_report+0x214/0x214 [ 132.918947] ? show_regs_print_info+0x18/0x18 [ 132.923448] ? __warn+0x1c1/0x200 [ 132.926906] ? x86_emulate_insn+0xd01/0x3c20 [ 132.931310] __warn+0x1dc/0x200 [ 132.934583] ? x86_emulate_insn+0xd01/0x3c20 [ 132.938994] report_bug+0x211/0x2d0 [ 132.942623] fixup_bug.part.11+0x37/0x80 [ 132.946682] do_error_trap+0x2d7/0x3e0 [ 132.950575] ? math_error+0x400/0x400 [ 132.954379] ? emulator_read_write+0x540/0x540 [ 132.958953] ? segmented_write+0x11a/0x180 [ 132.963188] ? em_fxsave+0x220/0x220 [ 132.966904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 132.971759] do_invalid_op+0x1b/0x20 [ 132.975475] invalid_op+0x22/0x40 [ 132.978926] RIP: 0010:x86_emulate_insn+0xd01/0x3c20 [ 132.983937] RSP: 0018:ffff8801c8e173e8 EFLAGS: 00010293 [ 132.989300] RAX: ffff8801c8910500 RBX: 1ffff100391c2e86 RCX: ffffffff81153e01 [ 132.996565] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff8801d419b988 [ 133.003829] RBP: ffff8801c8e174f8 R08: ffff8801d4198100 R09: ffffffff85624d80 [ 133.011096] R10: 0000000000000001 R11: ffffed003a83374c R12: 00000000000000ff [ 133.018362] R13: ffff8801d419b960 R14: 0000000000000002 R15: ffff8801d419ba83 [ 133.025652] ? x86_emulate_insn+0xd01/0x3c20 [ 133.030066] ? x86_emulate_insn+0xd01/0x3c20 [ 133.034486] ? init_decode_cache+0xc0/0xc0 [ 133.038751] x86_emulate_instruction+0x411/0x1ad0 [ 133.043607] ? reexecute_instruction.part.168+0x260/0x260 [ 133.049148] ? lock_release+0xda0/0xda0 [ 133.053112] ? rcu_read_lock_sched_held+0x108/0x120 [ 133.058127] ? kvm_load_guest_fpu+0x158/0x470 [ 133.062615] ? kvm_arch_vcpu_ioctl_set_fpu+0x330/0x330 [ 133.067890] ? vcpu_load+0x1c/0x70 [ 133.071436] complete_emulated_pio+0xdd/0x1b0 [ 133.075926] ? complete_emulated_mmio+0x6f0/0x6f0 [ 133.080762] kvm_arch_vcpu_ioctl_run+0x283f/0x5be0 [ 133.085694] ? futex_wait_setup+0x22e/0x3d0 [ 133.090024] ? futex_wake+0x680/0x680 [ 133.093830] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 133.098678] ? handle_invept+0x5f0/0x5f0 [ 133.102741] ? SyS_ioctl+0x8f/0xc0 [ 133.106291] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 133.111481] ? drop_futex_key_refs.isra.13+0x63/0xa0 [ 133.116582] ? futex_wake+0x2ca/0x680 [ 133.120378] ? lock_downgrade+0x980/0x980 [ 133.124546] ? kvm_arch_vcpu_load+0x1c1/0x890 [ 133.129037] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 133.133533] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 133.138025] ? preempt_notifier_dec+0x20/0x20 [ 133.142519] ? kfree+0xe4/0x250 [ 133.145811] kvm_vcpu_ioctl+0x64c/0x1010 [ 133.149865] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 133.154097] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 133.159369] ? find_held_lock+0x39/0x1d0 [ 133.163441] ? lock_downgrade+0x980/0x980 [ 133.167584] ? __fget+0xbb/0x580 [ 133.170956] ? lock_release+0xda0/0xda0 [ 133.174935] ? __lock_is_held+0xbc/0x140 [ 133.179014] ? __fget+0x362/0x580 [ 133.182477] ? iterate_fd+0x3f0/0x3f0 [ 133.186272] ? get_unused_fd_flags+0x190/0x190 [ 133.190851] ? may_open_dev+0xe0/0xe0 [ 133.194663] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 133.199935] do_vfs_ioctl+0x1b1/0x1530 [ 133.203822] ? putname+0xee/0x130 [ 133.207290] ? ioctl_preallocate+0x2b0/0x2b0 [ 133.211696] ? selinux_capable+0x40/0x40 [ 133.215761] ? SyS_futex+0x269/0x390 [ 133.219490] ? security_file_ioctl+0x89/0xb0 [ 133.223900] SyS_ioctl+0x8f/0xc0 [ 133.227285] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 133.232030] RIP: 0033:0x452a39 [ 133.235210] RSP: 002b:00007fe8d1991c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 133.242924] RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 [ 133.250183] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 133.257444] RBP: 000000000000039b R08: 0000000000000000 R09: 0000000000000000 [ 133.264704] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f2728 [ 133.271964] R13: 00000000ffffffff R14: 00007fe8d19926d4 R15: 0000000000000000 [ 133.279869] Dumping ftrace buffer: [ 133.283497] (ftrace buffer empty) [ 133.287180] Kernel Offset: disabled [ 133.290783] Rebooting in 86400 seconds..