[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.24' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.658546] FAULT_INJECTION: forcing a failure. [ 36.658546] name failslab, interval 1, probability 0, space 0, times 1 [ 36.669857] CPU: 1 PID: 7990 Comm: syz-executor884 Not tainted 4.14.217-syzkaller #0 [ 36.677713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.687041] Call Trace: [ 36.689607] dump_stack+0x1b2/0x281 [ 36.693224] should_fail.cold+0x10a/0x149 [ 36.697350] should_failslab+0xd6/0x130 [ 36.701300] kmem_cache_alloc+0x28e/0x3c0 [ 36.705424] prepare_creds+0x39/0x490 [ 36.709205] aa_set_current_onexec+0x1e/0x200 [ 36.713674] aa_change_profile+0x1201/0x2420 [ 36.718063] ? aa_change_hat+0xf40/0xf40 [ 36.722116] ? do_syscall_64+0x1d5/0x640 [ 36.726159] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.731495] ? __lock_acquire+0x5fc/0x3f20 [ 36.735707] apparmor_setprocattr+0x972/0xa80 [ 36.740181] ? apparmor_cred_free+0x70/0x70 [ 36.744477] ? proc_pid_attr_write+0x152/0x280 [ 36.749059] ? __might_fault+0x177/0x1b0 [ 36.753123] security_setprocattr+0x74/0xb0 [ 36.757422] proc_pid_attr_write+0x1bd/0x280 [ 36.761808] __vfs_write+0xe4/0x630 [ 36.765408] ? proc_pid_wchan+0xf0/0xf0 [ 36.769358] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.774361] ? kernel_read+0x110/0x110 [ 36.778229] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 36.783652] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.788815] vfs_write+0x17f/0x4d0 [ 36.792331] SyS_write+0xf2/0x210 [ 36.795758] ? SyS_read+0x210/0x210 [ 36.799373] ? __do_page_fault+0x159/0xad0 [ 36.803595] ? do_syscall_64+0x4c/0x640 [ 36.807543] ? SyS_read+0x210/0x210 [ 36.811156] do_syscall_64+0x1d5/0x640 [ 36.815047] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.820213] RIP: 0033:0x440639 [ 36.823379] RSP: 002b:00007ffde4a9c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.831064] RAX: ffffffffffffffda RBX: 00007ffde4a9c050 RCX: 0000000000440639 [ 36.838311] RDX: 0000000000000009 RSI: 0000000020000280 RDI: 0000000000000005 [ 36.845557] RBP: 0000000000000006 R08: 0000000000000001 R09: 00007ffde4a90032 [ 36.852803] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ea0 [ 36.860049] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 36.875035] AppArmor WARN aa_audit_file: ((!((&sa)->apparmor_audit_data)->request)): [ 36.875187] ------------[ cut here ]------------ [ 36.887893] WARNING: CPU: 0 PID: 7990 at security/apparmor/file.c:136 aa_audit_file.cold+0x18/0x4f [ 36.896961] Kernel panic - not syncing: panic_on_warn set ... [ 36.896961] [ 36.904296] CPU: 0 PID: 7990 Comm: syz-executor884 Not tainted 4.14.217-syzkaller #0 [ 36.912147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.921476] Call Trace: [ 36.924044] dump_stack+0x1b2/0x281 [ 36.927647] panic+0x1f9/0x42d [ 36.930813] ? add_taint.cold+0x16/0x16 [ 36.934762] ? aa_audit_file.cold+0x18/0x4f [ 36.939057] ? aa_audit_file.cold+0x18/0x4f [ 36.943353] __warn.cold+0x20/0x44 [ 36.946952] ? ist_end_non_atomic+0x10/0x10 [ 36.951396] ? aa_audit_file.cold+0x18/0x4f [ 36.955936] report_bug+0x208/0x250 [ 36.959543] do_error_trap+0x195/0x2d0 [ 36.963409] ? math_error+0x2d0/0x2d0 [ 36.967190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.972063] invalid_op+0x1b/0x40 [ 36.975492] RIP: 0010:aa_audit_file.cold+0x18/0x4f [ 36.980394] RSP: 0018:ffff888095a177d0 EFLAGS: 00010282 [ 36.985732] RAX: 0000000000000049 RBX: 1ffff11012b42efd RCX: 0000000000000000 [ 36.992976] RDX: 0000000000000000 RSI: ffff8880b198ef30 RDI: ffffed1012b42ef0 [ 37.000221] RBP: ffff888095a179f8 R08: 0000000000000049 R09: 0000000000000000 [ 37.007495] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000fffffff4 [ 37.014773] R13: ffff88823f8b8d80 R14: ffff888095a17848 R15: 0000000000000000 [ 37.022030] ? file_audit_cb+0x640/0x640 [ 37.026066] ? prepare_creds+0x39/0x490 [ 37.030020] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.035445] ? prepare_creds+0x3c9/0x490 [ 37.039490] aa_change_profile+0xcc9/0x2420 [ 37.043789] ? aa_change_hat+0xf40/0xf40 [ 37.047844] ? do_syscall_64+0x1d5/0x640 [ 37.051881] ? entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.057218] ? __lock_acquire+0x5fc/0x3f20 [ 37.061439] apparmor_setprocattr+0x972/0xa80 [ 37.066083] ? apparmor_cred_free+0x70/0x70 [ 37.070379] ? proc_pid_attr_write+0x152/0x280 [ 37.074939] ? __might_fault+0x177/0x1b0 [ 37.078990] security_setprocattr+0x74/0xb0 [ 37.083298] proc_pid_attr_write+0x1bd/0x280 [ 37.087694] __vfs_write+0xe4/0x630 [ 37.091320] ? proc_pid_wchan+0xf0/0xf0 [ 37.095290] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.100288] ? kernel_read+0x110/0x110 [ 37.104177] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.109619] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.114715] vfs_write+0x17f/0x4d0 [ 37.118245] SyS_write+0xf2/0x210 [ 37.121674] ? SyS_read+0x210/0x210 [ 37.125276] ? __do_page_fault+0x159/0xad0 [ 37.129485] ? do_syscall_64+0x4c/0x640 [ 37.133431] ? SyS_read+0x210/0x210 [ 37.137034] do_syscall_64+0x1d5/0x640 [ 37.140904] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.146072] RIP: 0033:0x440639 [ 37.149246] RSP: 002b:00007ffde4a9c048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.156932] RAX: ffffffffffffffda RBX: 00007ffde4a9c050 RCX: 0000000000440639 [ 37.164175] RDX: 0000000000000009 RSI: 0000000020000280 RDI: 0000000000000005 [ 37.171428] RBP: 0000000000000006 R08: 0000000000000001 R09: 00007ffde4a90032 [ 37.178671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ea0 [ 37.185915] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 37.194052] Kernel Offset: disabled [ 37.197698] Rebooting in 86400 seconds..