[?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: [ 17.631612] audit: type=1400 audit(1516601820.546:6): avc: denied { map } for pid=3638 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 [ 18.371189] audit: type=1400 audit(1516601821.285:7): avc: denied { map } for pid=3646 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.15.193' (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 [ 23.897686] audit: type=1400 audit(1516601826.812:8): avc: denied { map } for pid=3654 comm="syzkaller535421" path="/root/syzkaller535421636" dev="sda1" ino=16480 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 executing program executing program [ 23.938036] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 24.066446] WARNING: CPU: 0 PID: 3684 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.066450] Kernel panic - not syncing: panic_on_warn set ... [ 24.066450] [ 24.066457] CPU: 0 PID: 3684 Comm: syzkaller535421 Not tainted 4.15.0-rc8+ #273 [ 24.066460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.066462] Call Trace: [ 24.066474] dump_stack+0x194/0x257 [ 24.066482] ? arch_local_irq_restore+0x53/0x53 [ 24.066493] ? vsnprintf+0x1ed/0x1900 [ 24.066504] panic+0x1e4/0x41c [ 24.066509] ? refcount_error_report+0x214/0x214 [ 24.066517] ? show_regs_print_info+0x18/0x18 [ 24.066529] ? __warn+0x1c1/0x200 [ 24.066537] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.066541] __warn+0x1dc/0x200 [ 24.066546] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.066554] report_bug+0x211/0x2d0 [ 24.066568] fixup_bug.part.11+0x37/0x80 [ 24.066574] do_error_trap+0x2d7/0x3e0 [ 24.066580] ? trace_hardirqs_on+0xd/0x10 [ 24.066587] ? math_error+0x400/0x400 [ 24.066594] ? __lock_is_held+0xb6/0x140 [ 24.066611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.066621] do_invalid_op+0x1b/0x20 [ 24.066626] invalid_op+0x22/0x40 [ 24.066631] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.066633] RSP: 0018:ffff8801d92e76b0 EFLAGS: 00010293 [ 24.066639] RAX: ffff8801d9252340 RBX: ffff8801d8dcf000 RCX: ffffffff810df29f [ 24.066641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d8c00820 [ 24.066644] RBP: ffff8801d92e7a40 R08: 1ffff1003b25ceb8 R09: 0000000000000001 [ 24.066646] R10: ffff8801d92e7a58 R11: 0000000000000000 R12: 0000000000000000 [ 24.066649] R13: 1ffff1003b25cf72 R14: ffff8801d9825500 R15: ffff8801d8c00600 [ 24.066661] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 24.066674] ? mark_held_locks+0xaf/0x100 [ 24.066680] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 24.066687] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.066693] ? trace_hardirqs_on+0xd/0x10 [ 24.066702] ? free_object+0x150/0x230 [ 24.066707] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 24.066710] ? debug_stats_show+0xd0/0xd0 [ 24.066714] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 24.066721] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.066731] ? debug_object_free+0x2f1/0x5a0 [ 24.066735] ? lockdep_init_map+0x9/0x10 [ 24.066742] ? debug_object_destroy+0x2b0/0x2b0 [ 24.066758] ? __wait_rcu_gp+0x230/0x340 [ 24.066773] ? synchronize_sched.part.64+0xac/0x100 [ 24.066779] ? synchronize_sched_expedited+0xf0/0xf0 [ 24.066783] ? call_rcu_bh+0x20/0x20 [ 24.066791] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 24.066799] ? put_pid+0x183/0x1f0 [ 24.066805] ? task_active_pid_ns+0xd0/0xd0 [ 24.066812] ? __might_sleep+0x95/0x190 [ 24.066824] kvm_vcpu_ioctl+0x64c/0x1010 [ 24.066828] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 24.066836] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 24.066848] ? find_held_lock+0x35/0x1d0 [ 24.066863] ? __fget+0x333/0x570 [ 24.066869] ? lock_downgrade+0x980/0x980 [ 24.066873] ? find_held_lock+0x35/0x1d0 [ 24.066880] ? lock_release+0xa40/0xa40 [ 24.066888] ? __lock_is_held+0xb6/0x140 [ 24.066904] ? __fget+0x35c/0x570 [ 24.066916] ? iterate_fd+0x3f0/0x3f0 [ 24.066922] ? up_read+0x1a/0x40 [ 24.066931] ? __do_page_fault+0x3d6/0xc90 [ 24.066946] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 24.066952] do_vfs_ioctl+0x1b1/0x1520 [ 24.066963] ? ioctl_preallocate+0x2b0/0x2b0 [ 24.066974] ? selinux_capable+0x40/0x40 [ 24.066985] ? SyS_futex+0x269/0x390 [ 24.067005] ? security_file_ioctl+0x89/0xb0 [ 24.067014] SyS_ioctl+0x8f/0xc0 [ 24.067023] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 24.067028] RIP: 0033:0x445ad9 [ 24.067030] RSP: 002b:00007fec057ebda8 EFLAGS: 00000293 ORIG_RAX: 0000000000000010 [ 24.067034] RAX: ffffffffffffffda RBX: 00000000006dac54 RCX: 0000000000445ad9 [ 24.067036] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000b [ 24.067038] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.067041] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006dac50 [ 24.067043] R13: 6d766b2f7665642f R14: 00007fec057ec9c0 R15: 0000000000000009 [ 24.067818] Dumping ftrace buffer: [ 24.067864] (ftrace buffer empty) [ 24.067867] Kernel Offset: disabled [ 24.466184] Rebooting in 86400 seconds..