[....] Starting enhanced syslogd: rsyslogd[ 11.281053] audit: type=1400 audit(1514428606.876:5): 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: [ 16.564169] audit: type=1400 audit(1514428612.159:6): avc: denied { map } for pid=3133 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 '10.128.15.193' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 29.121703] audit: type=1400 audit(1514428624.717:7): avc: denied { map } for pid=3149 comm="syzkaller570459" path="/root/syzkaller570459484" 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 [ 29.158809] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 29.192536] WARNING: CPU: 1 PID: 3163 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.192541] Kernel panic - not syncing: panic_on_warn set ... [ 29.192541] [ 29.192547] CPU: 1 PID: 3163 Comm: syzkaller570459 Not tainted 4.15.0-rc5+ #239 [ 29.192549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.192552] Call Trace: [ 29.192562] dump_stack+0x194/0x257 [ 29.192571] ? arch_local_irq_restore+0x53/0x53 [ 29.192582] ? vsnprintf+0x1ed/0x1900 [ 29.192593] panic+0x1e4/0x41c [ 29.192598] ? refcount_error_report+0x214/0x214 [ 29.192605] ? show_regs_print_info+0x18/0x18 [ 29.192617] ? __warn+0x1c1/0x200 [ 29.192625] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.192629] __warn+0x1dc/0x200 [ 29.192638] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.192645] report_bug+0x211/0x2d0 [ 29.192660] fixup_bug.part.11+0x37/0x80 [ 29.192666] do_error_trap+0x2d7/0x3e0 [ 29.192674] ? trace_hardirqs_on+0xd/0x10 [ 29.192681] ? math_error+0x400/0x400 [ 29.192688] ? __lock_is_held+0xb6/0x140 [ 29.192704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.192716] do_invalid_op+0x1b/0x20 [ 29.192723] invalid_op+0x22/0x40 [ 29.192728] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.192731] RSP: 0018:ffff8801c79376b0 EFLAGS: 00010293 [ 29.192736] RAX: ffff8801c793a640 RBX: ffff8801c8850000 RCX: ffffffff810deeef [ 29.192738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c8bb82e0 [ 29.192741] RBP: ffff8801c7937a40 R08: 1ffff10038f26eb8 R09: 0000000000000001 [ 29.192743] R10: ffff8801c7937a58 R11: 0000000000000000 R12: 0000000000000000 [ 29.192746] R13: 1ffff10038f26f72 R14: ffff8801d9097780 R15: ffff8801c8bb80c0 [ 29.192758] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 29.192771] ? mark_held_locks+0xaf/0x100 [ 29.192778] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.192785] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.192791] ? trace_hardirqs_on+0xd/0x10 [ 29.192801] ? free_object+0x150/0x230 [ 29.192806] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 29.192810] ? debug_stats_show+0xd0/0xd0 [ 29.192814] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.192820] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.192831] ? debug_object_free+0x2f1/0x5a0 [ 29.192834] ? lockdep_init_map+0x9/0x10 [ 29.192842] ? debug_object_destroy+0x2b0/0x2b0 [ 29.192861] ? __wait_rcu_gp+0x230/0x340 [ 29.192876] ? synchronize_sched.part.64+0xac/0x100 [ 29.192881] ? synchronize_sched_expedited+0xf0/0xf0 [ 29.192885] ? call_rcu_bh+0x20/0x20 [ 29.192894] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.192902] ? put_pid+0x183/0x1f0 [ 29.192908] ? task_active_pid_ns+0xd0/0xd0 [ 29.192915] ? __might_sleep+0x95/0x190 [ 29.192926] kvm_vcpu_ioctl+0x64c/0x1010 [ 29.192930] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 29.192938] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 29.192951] ? find_held_lock+0x35/0x1d0 [ 29.192965] ? __fget+0x333/0x570 [ 29.192970] ? lock_downgrade+0x980/0x980 [ 29.192978] ? lock_release+0xa40/0xa40 [ 29.192986] ? __lock_is_held+0xb6/0x140 [ 29.193006] ? __fget+0x35c/0x570 [ 29.193019] ? iterate_fd+0x3f0/0x3f0 [ 29.193025] ? get_unused_fd_flags+0x190/0x190 [ 29.193040] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 29.193046] do_vfs_ioctl+0x1b1/0x1520 [ 29.193051] ? _cond_resched+0x14/0x30 [ 29.193061] ? ioctl_preallocate+0x2b0/0x2b0 [ 29.193070] ? selinux_capable+0x40/0x40 [ 29.193081] ? SyS_futex+0x269/0x390 [ 29.193098] ? security_file_ioctl+0x89/0xb0 [ 29.193107] SyS_ioctl+0x8f/0xc0 [ 29.193117] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 29.193120] RIP: 0033:0x445a99 [ 29.193123] RSP: 002b:00007efdb3ac0da8 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 29.193127] RAX: ffffffffffffffda RBX: 00000000006dac3c RCX: 0000000000445a99 [ 29.193130] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 29.193132] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.193134] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dac38 [ 29.193136] R13: 6d766b2f7665642f R14: 00007efdb3ac19c0 R15: 0000000000000009 [ 29.193710] Dumping ftrace buffer: [ 29.193741] (ftrace buffer empty) [ 29.193744] Kernel Offset: disabled [ 29.595524] Rebooting in 86400 seconds..