[?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. [ 12.328572] audit: type=1400 audit(1514144576.760:6): avc: denied { map } for pid=3132 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-2,10.128.0.15' (ECDSA) to the list of known hosts. syzkaller login: [ 18.498162] audit: type=1400 audit(1514144582.929:7): avc: denied { map } for pid=3146 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 2017/12/24 19:43:03 parsed 1 programs 2017/12/24 19:43:03 executed programs: 0 [ 18.616659] audit: type=1400 audit(1514144583.048:8): avc: denied { map } for pid=3146 comm="syz-execprog" path="/root/syzkaller-shm091258914" 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 [ 18.700971] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 22.670127] WARNING: CPU: 0 PID: 3771 at arch/x86/kernel/traps.c:801 do_debug+0x4d8/0x6e0 [ 22.678532] Kernel panic - not syncing: panic_on_warn set ... [ 22.678532] [ 22.685882] CPU: 0 PID: 3771 Comm: syz-executor6 Not tainted 4.15.0-rc5+ #237 [ 22.693138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.702477] Call Trace: [ 22.705042] <#DB> [ 22.707182] dump_stack+0x194/0x257 [ 22.710804] ? arch_local_irq_restore+0x53/0x53 [ 22.715473] ? vsnprintf+0x1ed/0x1900 [ 22.719267] panic+0x1e4/0x41c [ 22.722469] ? refcount_error_report+0x214/0x214 [ 22.727220] ? show_regs_print_info+0x18/0x18 [ 22.731719] ? __warn+0x1c1/0x200 [ 22.735165] ? do_debug+0x4d8/0x6e0 [ 22.738775] __warn+0x1dc/0x200 [ 22.742044] ? do_debug+0x4d8/0x6e0 [ 22.745663] report_bug+0x211/0x2d0 [ 22.749287] fixup_bug.part.11+0x37/0x80 [ 22.753335] do_error_trap+0x2d7/0x3e0 [ 22.757206] ? lock_downgrade+0x980/0x980 [ 22.761349] ? math_error+0x400/0x400 [ 22.765140] ? mark_held_locks+0xaf/0x100 [ 22.769283] ? retint_kernel+0x10/0x10 [ 22.773171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.778014] do_invalid_op+0x1b/0x20 [ 22.781716] invalid_op+0x22/0x40 [ 22.785159] RIP: 0010:do_debug+0x4d8/0x6e0 [ 22.789377] RSP: 0018:fffffe800000ee98 EFLAGS: 00010246 [ 22.794724] RAX: dffffc0000000000 RBX: fffffe800000ef58 RCX: 0000000000000006 [ 22.801987] RDX: 1fffffd000001dfc RSI: 1ffff100378c3593 RDI: ffffffff85ec81f8 [ 22.809243] RBP: fffffe800000ef48 R08: fffffe800000efe8 R09: 0000000000000000 [ 22.816499] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e001 [ 22.823754] R13: ffff8801bc61a400 R14: 1fffffd000001dd8 R15: 0000000000004000 [ 22.831049] ? do_debug+0x458/0x6e0 [ 22.834673] ? do_int3+0x210/0x210 [ 22.838206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.843045] debug+0x34/0x60 [ 22.846052] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 22.851912] RSP: 0018:ffff8801c9967180 EFLAGS: 00010202 [ 22.857258] RAX: dffffc0000000000 RBX: 0000000020000000 RCX: 000000000000100f [ 22.864509] RDX: 0000000000001010 RSI: 0000000020000001 RDI: ffff8801c8d50a01 [ 22.871763] RBP: ffff8801c99671c0 R08: ffff8801db002080 R09: ffff8801c8d50a00 [ 22.879017] R10: 0000000000000202 R11: ffffed00391aa341 R12: 0000000000001010 [ 22.886275] R13: 0000000000001010 R14: ffff8801c9ba7800 R15: ffff8801c8d50a00 [ 22.893554] [ 22.895783] ? __sctp_setsockopt_connectx+0x15f/0x1f0 [ 22.900973] sctp_getsockopt+0x3f0d/0x70c0 [ 22.905198] ? _raw_spin_unlock_irq+0x27/0x70 [ 22.909956] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 22.915058] ? trace_hardirqs_on+0xd/0x10 [ 22.919210] ? _raw_spin_unlock_irq+0x27/0x70 [ 22.923703] ? sctp_getsockopt_peeloff_common+0x2c0/0x2c0 [ 22.929231] ? copy_overflow+0x20/0x20 [ 22.933104] ? __schedule+0x8f3/0x2060 [ 22.936960] ? find_held_lock+0x35/0x1d0 [ 22.941000] ? __sched_text_start+0x8/0x8 [ 22.945123] ? check_noncircular+0x20/0x20 [ 22.949332] ? plist_check_head+0xe2/0x130 [ 22.953536] ? plist_check_list+0xa0/0xa0 [ 22.957654] ? check_noncircular+0x20/0x20 [ 22.961861] ? check_preempt_wakeup+0x426/0xb20 [ 22.966506] ? plist_add+0x5cb/0x760 [ 22.970223] ? print_irqtrace_events+0x270/0x270 [ 22.974950] ? print_irqtrace_events+0x270/0x270 [ 22.979693] ? futex_wait_setup+0x14a/0x3d0 [ 22.983988] ? __might_sleep+0x95/0x190 [ 22.987938] ? _cond_resched+0x14/0x30 [ 22.991796] ? futex_wait_queue_me+0x527/0x7e0 [ 22.996354] ? __lock_acquire+0x664/0x3e00 [ 23.000562] ? __lock_acquire+0x664/0x3e00 [ 23.004767] ? get_futex_value_locked+0xc3/0xf0 [ 23.009432] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 23.014597] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 23.019760] ? futex_wake+0x566/0x680 [ 23.023534] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 23.028608] ? futex_wait+0x6a9/0x9a0 [ 23.032391] ? futex_wait_setup+0x3d0/0x3d0 [ 23.036693] ? wake_up_q+0x8a/0xe0 [ 23.040205] ? drop_futex_key_refs.isra.12+0x63/0xb0 [ 23.045282] ? check_noncircular+0x20/0x20 [ 23.049491] ? check_noncircular+0x20/0x20 [ 23.053698] ? get_futex_key+0x1d50/0x1d50 [ 23.057902] ? get_empty_filp+0x189/0x4f0 [ 23.062023] ? sock_alloc_file+0x1f3/0x560 [ 23.066227] ? sock_map_fd+0x34/0x70 [ 23.069909] ? SyS_socket+0x125/0x1d0 [ 23.073695] ? find_held_lock+0x35/0x1d0 [ 23.077740] ? avc_has_perm+0x35e/0x680 [ 23.081689] ? lock_downgrade+0x980/0x980 [ 23.085805] ? __fget+0x333/0x570 [ 23.089231] ? lock_release+0xa40/0xa40 [ 23.093176] ? lock_release+0xa40/0xa40 [ 23.097126] ? __lock_is_held+0xb6/0x140 [ 23.101169] ? avc_has_perm+0x43e/0x680 [ 23.105119] ? avc_has_perm_noaudit+0x520/0x520 [ 23.109764] ? iterate_fd+0x3f0/0x3f0 [ 23.113535] ? lock_downgrade+0x980/0x980 [ 23.117668] ? __lock_is_held+0xb6/0x140 [ 23.121715] ? sock_has_perm+0x2a4/0x420 [ 23.125750] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 23.131086] ? alloc_file+0x27e/0x390 [ 23.134854] ? _raw_spin_unlock+0x22/0x30 [ 23.138984] ? sock_release+0x1e0/0x1e0 [ 23.142936] sock_common_getsockopt+0x95/0xd0 [ 23.147406] ? sock_common_getsockopt+0x95/0xd0 [ 23.152051] SyS_getsockopt+0x178/0x340 [ 23.156001] ? SyS_setsockopt+0x360/0x360 [ 23.160125] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 23.164940] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.169930] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.174670] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 23.179393] RIP: 0033:0x452ac9 [ 23.182555] RSP: 002b:00007f70f9042c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 23.190234] RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 [ 23.197473] RDX: 000000000000006f RSI: 0000000000000084 RDI: 0000000000000004 [ 23.204718] RBP: 000000000000039b R08: 00000000205adffc R09: 0000000000000000 [ 23.211958] R10: 00000000205adff7 R11: 0000000000000212 R12: 00000000006f2728 [ 23.219198] R13: 00000000ffffffff R14: 00007f70f90436d4 R15: 0000000000000000 [ 23.227106] Dumping ftrace buffer: [ 23.230703] (ftrace buffer empty) [ 23.234379] Kernel Offset: disabled [ 23.237984] Rebooting in 86400 seconds..