[....] Starting enhanced syslogd: rsyslogd[ 11.378532] audit: type=1400 audit(1513973616.606:5): 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: [ 16.899380] audit: type=1400 audit(1513973622.127:6): 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-kasan-gce-2,10.128.0.58' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.598559] audit: type=1400 audit(1513973640.826:7): avc: denied { map } for pid=3152 comm="syzkaller612772" path="/root/syzkaller612772887" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 35.638129] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program [ 35.764226] WARNING: CPU: 0 PID: 3167 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 35.764230] Kernel panic - not syncing: panic_on_warn set ... [ 35.764230] [ 35.764236] CPU: 0 PID: 3167 Comm: syzkaller612772 Not tainted 4.15.0-rc4+ #234 [ 35.764238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.764240] Call Trace: [ 35.764248] dump_stack+0x194/0x257 [ 35.764256] ? arch_local_irq_restore+0x53/0x53 [ 35.764266] ? vsnprintf+0x1ed/0x1900 [ 35.764276] panic+0x1e4/0x41c [ 35.764280] ? refcount_error_report+0x214/0x214 [ 35.764288] ? show_regs_print_info+0x18/0x18 [ 35.764299] ? __warn+0x1c1/0x200 [ 35.764307] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 35.764311] __warn+0x1dc/0x200 [ 35.764316] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 35.764323] report_bug+0x211/0x2d0 [ 35.764335] fixup_bug.part.11+0x37/0x80 [ 35.764341] do_error_trap+0x2d7/0x3e0 [ 35.764346] ? lock_acquire+0x1d5/0x580 [ 35.764350] ? lock_acquire+0x1d5/0x580 [ 35.764357] ? math_error+0x400/0x400 [ 35.764367] ? __lock_is_held+0xb6/0x140 [ 35.764381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.764392] do_invalid_op+0x1b/0x20 [ 35.764396] invalid_op+0x22/0x40 [ 35.764401] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 35.764404] RSP: 0018:ffff8801c8acf6b0 EFLAGS: 00010293 [ 35.764408] RAX: ffff8801c8516640 RBX: ffff8801c7ded000 RCX: ffffffff810deddf [ 35.764411] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bc8d8860 [ 35.764413] RBP: ffff8801c8acfa40 R08: 1ffff1003791bba3 R09: 0000000000000001 [ 35.764416] R10: ffff8801c8acfa58 R11: 0000000000000004 R12: 0000000000000000 [ 35.764418] R13: ffff8801c8516640 R14: ffff8801d4006a80 R15: ffff8801bc8d8640 [ 35.764430] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 35.764442] ? get_futex_value_locked+0xc3/0xf0 [ 35.764450] ? futex_wait_setup+0x22e/0x3d0 [ 35.764462] ? futex_wake+0x680/0x680 [ 35.764466] ? lock_downgrade+0x980/0x980 [ 35.764473] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 35.764476] ? __lock_acquire+0x664/0x3e00 [ 35.764487] ? handle_invept+0x5f0/0x5f0 [ 35.764500] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.764509] ? hash_futex+0x15/0x210 [ 35.764515] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 35.764520] ? futex_wake+0x2ca/0x680 [ 35.764535] ? kvm_arch_vcpu_load+0x1c1/0x890 [ 35.764541] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 35.764548] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 35.764556] ? preempt_notifier_dec+0x20/0x20 [ 35.764575] kvm_vcpu_ioctl+0x64c/0x1010 [ 35.764579] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 35.764586] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 35.764598] ? find_held_lock+0x35/0x1d0 [ 35.764613] ? __fget+0x333/0x570 [ 35.764618] ? lock_downgrade+0x980/0x980 [ 35.764626] ? lock_release+0xa40/0xa40 [ 35.764634] ? __lock_is_held+0xb6/0x140 [ 35.764650] ? __fget+0x35c/0x570 [ 35.764662] ? iterate_fd+0x3f0/0x3f0 [ 35.764668] ? up_read+0x1a/0x40 [ 35.764683] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 35.764689] do_vfs_ioctl+0x1b1/0x1520 [ 35.764693] ? _cond_resched+0x14/0x30 [ 35.764703] ? ioctl_preallocate+0x2b0/0x2b0 [ 35.764711] ? selinux_capable+0x40/0x40 [ 35.764720] ? SyS_futex+0x269/0x390 [ 35.764735] ? security_file_ioctl+0x89/0xb0 [ 35.764744] SyS_ioctl+0x8f/0xc0 [ 35.764753] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 35.764757] RIP: 0033:0x445cf9 [ 35.764759] RSP: 002b:00007f8ba8d12da8 EFLAGS: 00000293 ORIG_RAX: 0000000000000010 [ 35.764763] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000445cf9 [ 35.764765] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000a [ 35.764768] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.764770] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006dac20 [ 35.764772] R13: 6d766b2f7665642f R14: 00007f8ba8d139c0 R15: 000000000000000a [ 35.765228] Dumping ftrace buffer: [ 35.765259] (ftrace buffer empty) [ 35.765262] Kernel Offset: disabled [ 36.138097] Rebooting in 86400 seconds..