[ OK ] Started Getty on tty1. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.187' (ECDSA) to the list of known hosts. syzkaller login: [ 29.517087] FAULT_INJECTION: forcing a failure. [ 29.517087] name failslab, interval 1, probability 0, space 0, times 1 [ 29.528654] CPU: 0 PID: 7961 Comm: syz-executor843 Not tainted 4.14.229-syzkaller #0 [ 29.536518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.545852] Call Trace: [ 29.548422] dump_stack+0x1b2/0x281 [ 29.552028] should_fail.cold+0x10a/0x149 [ 29.556156] should_failslab+0xd6/0x130 [ 29.560122] kmem_cache_alloc+0x28e/0x3c0 [ 29.564264] getname_flags+0xc8/0x550 [ 29.568046] ? _raw_spin_unlock_irq+0x24/0x80 [ 29.572518] do_sys_open+0x1ce/0x410 [ 29.576220] ? filp_open+0x60/0x60 [ 29.579737] ? do_syscall_64+0x4c/0x640 [ 29.583685] ? SyS_open+0x30/0x30 [ 29.587123] do_syscall_64+0x1d5/0x640 [ 29.590999] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.596186] RIP: 0033:0x402117 [ 29.599361] RSP: 002b:00007ffddbd25c50 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 29.607054] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000402117 executing program [ 29.614307] RDX: 0000000000080001 RSI: 0000000000482068 RDI: 00000000ffffff9c [ 29.621562] RBP: 0000000000482068 R08: 0000000000000000 R09: 00007ffddbd25c40 [ 29.628807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080001 [ 29.636065] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 29.650397] FAULT_INJECTION: forcing a failure. [ 29.650397] name failslab, interval 1, probability 0, space 0, times 0 [ 29.662710] CPU: 0 PID: 7961 Comm: syz-executor843 Not tainted 4.14.229-syzkaller #0 [ 29.670578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.680007] Call Trace: [ 29.682579] dump_stack+0x1b2/0x281 [ 29.686206] should_fail.cold+0x10a/0x149 [ 29.690329] should_failslab+0xd6/0x130 [ 29.694290] kmem_cache_alloc+0x28e/0x3c0 [ 29.698415] prepare_creds+0x39/0x490 [ 29.702199] aa_set_current_onexec+0x1e/0x200 [ 29.706693] aa_change_profile+0x120e/0x2440 [ 29.711095] ? aa_change_hat+0xf40/0xf40 [ 29.715150] ? do_syscall_64+0x1d5/0x640 [ 29.719193] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.724547] ? __lock_acquire+0x5fc/0x3f20 [ 29.728773] apparmor_setprocattr+0x972/0xa80 [ 29.733248] ? apparmor_cred_free+0x70/0x70 [ 29.737547] ? proc_pid_attr_write+0x152/0x280 [ 29.742122] ? __might_fault+0x177/0x1b0 [ 29.746197] security_setprocattr+0x74/0xb0 [ 29.750498] proc_pid_attr_write+0x1bd/0x280 [ 29.754898] __vfs_write+0xe4/0x630 [ 29.758510] ? proc_pid_wchan+0xf0/0xf0 [ 29.762462] ? debug_check_no_obj_freed+0x2c0/0x680 [ 29.767465] ? kernel_read+0x110/0x110 [ 29.771342] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.776781] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.781772] vfs_write+0x17f/0x4d0 [ 29.785304] SyS_write+0xf2/0x210 [ 29.788731] ? SyS_read+0x210/0x210 [ 29.792335] ? __do_page_fault+0x159/0xad0 [ 29.796544] ? do_syscall_64+0x4c/0x640 [ 29.800488] ? SyS_read+0x210/0x210 [ 29.804093] do_syscall_64+0x1d5/0x640 [ 29.807971] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.813136] RIP: 0033:0x43f549 [ 29.816302] RSP: 002b:00007ffddbd261c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.823985] RAX: ffffffffffffffda RBX: 00000000004aa0b8 RCX: 000000000043f549 [ 29.831230] RDX: 0000000000000007 RSI: 0000000020000000 RDI: 0000000000000004 [ 29.838475] RBP: 00000000004aa0b8 R08: 0000000000000001 R09: 0000000000000000 [ 29.845722] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004032f0 [ 29.852966] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 29.862140] AppArmor WARN aa_audit_file: ((!((&sa)->apparmor_audit_data)->request)): [ 29.862313] ------------[ cut here ]------------ [ 29.875041] WARNING: CPU: 1 PID: 7961 at security/apparmor/file.c:136 aa_audit_file.cold+0x18/0x4f [ 29.884126] Kernel panic - not syncing: panic_on_warn set ... [ 29.884126] [ 29.891478] CPU: 1 PID: 7961 Comm: syz-executor843 Not tainted 4.14.229-syzkaller #0 [ 29.899332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.908689] Call Trace: [ 29.911283] dump_stack+0x1b2/0x281 [ 29.914888] panic+0x1f9/0x42d [ 29.918055] ? add_taint.cold+0x16/0x16 [ 29.922007] ? aa_audit_file.cold+0x18/0x4f [ 29.926319] ? aa_audit_file.cold+0x18/0x4f [ 29.930613] __warn.cold+0x20/0x44 [ 29.934143] ? ist_end_non_atomic+0x10/0x10 [ 29.938444] ? aa_audit_file.cold+0x18/0x4f [ 29.942743] report_bug+0x208/0x250 [ 29.946345] do_error_trap+0x195/0x2d0 [ 29.950206] ? math_error+0x2d0/0x2d0 [ 29.953985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.958804] invalid_op+0x1b/0x40 [ 29.962234] RIP: 0010:aa_audit_file.cold+0x18/0x4f [ 29.967147] RSP: 0018:ffff88809e2ef7d0 EFLAGS: 00010282 [ 29.972484] RAX: 0000000000000049 RBX: 1ffff11013c5defd RCX: 0000000000000000 [ 29.979729] RDX: 0000000000000000 RSI: ffff88809ddc8eb0 RDI: ffffed1013c5def0 [ 29.986987] RBP: ffff88809e2ef9f8 R08: 0000000000000049 R09: 0000000000000000 [ 29.994232] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000fffffff4 [ 30.001477] R13: ffff88823f8b8d80 R14: ffff88809e2ef848 R15: 0000000000000000 [ 30.008737] ? file_audit_cb+0x670/0x670 [ 30.012776] ? prepare_creds+0x39/0x490 [ 30.016743] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.022170] ? prepare_creds+0x3c9/0x490 [ 30.026222] aa_change_profile+0xcd3/0x2440 [ 30.030535] ? aa_change_hat+0xf40/0xf40 [ 30.034593] ? do_syscall_64+0x1d5/0x640 [ 30.038631] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.043969] ? __lock_acquire+0x5fc/0x3f20 [ 30.048197] apparmor_setprocattr+0x972/0xa80 [ 30.052682] ? apparmor_cred_free+0x70/0x70 [ 30.056995] ? proc_pid_attr_write+0x152/0x280 [ 30.061555] ? __might_fault+0x177/0x1b0 [ 30.065605] security_setprocattr+0x74/0xb0 [ 30.069900] proc_pid_attr_write+0x1bd/0x280 [ 30.074298] __vfs_write+0xe4/0x630 [ 30.077909] ? proc_pid_wchan+0xf0/0xf0 [ 30.081865] ? debug_check_no_obj_freed+0x2c0/0x680 [ 30.086870] ? kernel_read+0x110/0x110 [ 30.090749] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 30.096187] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 30.101183] vfs_write+0x17f/0x4d0 [ 30.104699] SyS_write+0xf2/0x210 [ 30.108128] ? SyS_read+0x210/0x210 [ 30.111734] ? __do_page_fault+0x159/0xad0 [ 30.115942] ? do_syscall_64+0x4c/0x640 [ 30.119888] ? SyS_read+0x210/0x210 [ 30.123489] do_syscall_64+0x1d5/0x640 [ 30.127367] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.132537] RIP: 0033:0x43f549 [ 30.135736] RSP: 002b:00007ffddbd261c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.143420] RAX: ffffffffffffffda RBX: 00000000004aa0b8 RCX: 000000000043f549 [ 30.150665] RDX: 0000000000000007 RSI: 0000000020000000 RDI: 0000000000000004 [ 30.157918] RBP: 00000000004aa0b8 R08: 0000000000000001 R09: 0000000000000000 [ 30.165163] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004032f0 [ 30.172408] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 30.180394] Kernel Offset: disabled [ 30.184069] Rebooting in 86400 seconds..