Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. syzkaller login: [ 29.146939] FAULT_INJECTION: forcing a failure. [ 29.146939] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 29.158745] CPU: 0 PID: 7985 Comm: syz-executor460 Not tainted 4.14.202-syzkaller #0 [ 29.166600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.175931] Call Trace: [ 29.178496] dump_stack+0x1b2/0x283 [ 29.182099] should_fail.cold+0x10a/0x154 [ 29.186380] ? check_preemption_disabled+0x35/0x240 [ 29.191375] __alloc_pages_nodemask+0x22c/0x2720 [ 29.196107] ? __lock_acquire+0x5fc/0x3f20 [ 29.200314] ? __lock_acquire+0x5fc/0x3f20 [ 29.204523] ? __lock_acquire+0x5fc/0x3f20 [ 29.208732] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 29.213547] ? __lock_acquire+0x5fc/0x3f20 [ 29.217795] ? trace_hardirqs_on+0x10/0x10 [ 29.222008] ? trace_hardirqs_on+0x10/0x10 [ 29.226218] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 29.231209] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 29.236285] ? trace_hardirqs_on+0x10/0x10 [ 29.240495] ? dput.part.0+0x13d/0x710 [ 29.244382] cache_grow_begin+0x8f/0x420 [ 29.248420] cache_alloc_refill+0x273/0x350 [ 29.252752] kmem_cache_alloc+0x333/0x3c0 [ 29.256908] getname_flags+0xc8/0x550 [ 29.260683] ? _raw_spin_unlock_irq+0x24/0x80 [ 29.265155] do_sys_open+0x1ce/0x410 [ 29.268865] ? filp_open+0x60/0x60 [ 29.272381] ? do_syscall_64+0x4c/0x640 [ 29.276330] ? do_sys_open+0x410/0x410 [ 29.280190] do_syscall_64+0x1d5/0x640 [ 29.284057] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.289220] RIP: 0033:0x400f80 executing program [ 29.292394] RSP: 002b:00007ffe91a93768 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 29.300081] RAX: ffffffffffffffda RBX: 00007ffe91a93791 RCX: 0000000000400f80 [ 29.307329] RDX: 00007ffe91a93796 RSI: 0000000000080001 RDI: 00000000004a1b68 [ 29.314575] RBP: 00007ffe91a93790 R08: 0000000000000000 R09: 0000000000000001 [ 29.321823] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004a1b68 [ 29.329067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.346044] FAULT_INJECTION: forcing a failure. [ 29.346044] name failslab, interval 1, probability 0, space 0, times 1 [ 29.357475] CPU: 1 PID: 7985 Comm: syz-executor460 Not tainted 4.14.202-syzkaller #0 [ 29.365347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.374699] Call Trace: [ 29.377263] dump_stack+0x1b2/0x283 [ 29.380869] should_fail.cold+0x10a/0x154 [ 29.384994] should_failslab+0xd6/0x130 [ 29.388941] kmem_cache_alloc+0x28e/0x3c0 [ 29.393062] prepare_creds+0x39/0x490 [ 29.396838] aa_set_current_onexec+0x1e/0x200 [ 29.401350] aa_change_profile+0x1201/0x2420 [ 29.405736] ? trace_hardirqs_on_caller+0x561/0x580 [ 29.410729] ? aa_change_hat+0xf40/0xf40 [ 29.414770] ? fs_reclaim_release+0xd0/0x110 [ 29.419192] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.424615] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.429643] ? __kmalloc+0x3a4/0x400 [ 29.433332] ? apparmor_setprocattr+0x115/0xa80 [ 29.438016] apparmor_setprocattr+0x98c/0xa80 [ 29.442522] ? apparmor_cred_free+0x70/0x70 [ 29.446822] ? proc_pid_attr_write+0x152/0x280 [ 29.451406] ? __might_fault+0x177/0x1b0 [ 29.455459] security_setprocattr+0x74/0xb0 [ 29.459821] proc_pid_attr_write+0x1bd/0x280 [ 29.464210] __vfs_write+0xe4/0x630 [ 29.467822] ? proc_pid_wchan+0xf0/0xf0 [ 29.471785] ? debug_check_no_obj_freed+0x2c0/0x674 [ 29.476781] ? kernel_read+0x110/0x110 [ 29.480651] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.486081] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.491074] ? rcu_sync_lockdep_assert+0x69/0xa0 [ 29.495807] vfs_write+0x17f/0x4d0 [ 29.499326] SyS_write+0xf2/0x210 [ 29.502753] ? SyS_read+0x210/0x210 [ 29.506353] ? __do_page_fault+0x159/0xad0 [ 29.510563] ? do_syscall_64+0x4c/0x640 [ 29.514512] ? SyS_read+0x210/0x210 [ 29.518112] do_syscall_64+0x1d5/0x640 [ 29.521975] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.527138] RIP: 0033:0x440699 [ 29.530299] RSP: 002b:00007ffe91a93c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.537984] RAX: ffffffffffffffda RBX: 00000000004a1d18 RCX: 0000000000440699 [ 29.545229] RDX: 0000000000000031 RSI: 00000000200002c0 RDI: 0000000000000004 [ 29.552473] RBP: 00000000006cb018 R08: 0000000000000001 R09: 00000000004002c8 [ 29.559717] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401f00 [ 29.566968] R13: 0000000000401f90 R14: 0000000000000000 R15: 0000000000000000 [ 29.574611] AppArmor WARN aa_audit_file: ((!((&sa)->apparmor_audit_data)->request)): [ 29.574741] ------------[ cut here ]------------ [ 29.587462] WARNING: CPU: 1 PID: 7985 at security/apparmor/file.c:136 aa_audit_file.cold+0x18/0x4f [ 29.596714] Kernel panic - not syncing: panic_on_warn set ... [ 29.596714] [ 29.604052] CPU: 1 PID: 7985 Comm: syz-executor460 Not tainted 4.14.202-syzkaller #0 [ 29.611902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.621241] Call Trace: [ 29.623807] dump_stack+0x1b2/0x283 [ 29.627410] panic+0x1f9/0x42d [ 29.630591] ? add_taint.cold+0x16/0x16 [ 29.634541] ? aa_audit_file.cold+0x18/0x4f [ 29.638834] ? aa_audit_file.cold+0x18/0x4f [ 29.643129] __warn.cold+0x20/0x4b [ 29.646643] ? ist_end_non_atomic+0x10/0x10 [ 29.650935] ? aa_audit_file.cold+0x18/0x4f [ 29.655243] report_bug+0x208/0x249 [ 29.658846] do_error_trap+0x195/0x2d0 [ 29.662706] ? math_error+0x2d0/0x2d0 [ 29.666486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.671302] invalid_op+0x1b/0x40 [ 29.674817] RIP: 0010:aa_audit_file.cold+0x18/0x4f [ 29.679716] RSP: 0018:ffff8880a2fcf7d0 EFLAGS: 00010282 [ 29.685052] RAX: 0000000000000049 RBX: 1ffff110145f9efd RCX: 0000000000000000 [ 29.692294] RDX: 0000000000000000 RSI: ffff8880ab2daef0 RDI: ffffed10145f9ef0 [ 29.699535] RBP: ffff8880a2fcf9f8 R08: 0000000000000049 R09: 0000000000000000 [ 29.706791] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000fffffff4 [ 29.714043] R13: ffff88823f8b8d80 R14: ffff8880a2fcf848 R15: 0000000000000000 [ 29.721299] ? file_audit_cb+0x640/0x640 [ 29.725335] ? prepare_creds+0x39/0x490 [ 29.729281] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.734704] ? prepare_creds+0x3c9/0x490 [ 29.738740] aa_change_profile+0xcc9/0x2420 [ 29.743039] ? trace_hardirqs_on_caller+0x561/0x580 [ 29.748028] ? aa_change_hat+0xf40/0xf40 [ 29.752068] ? fs_reclaim_release+0xd0/0x110 [ 29.756456] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.761880] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.766882] ? __kmalloc+0x3a4/0x400 [ 29.770581] ? apparmor_setprocattr+0x115/0xa80 [ 29.775227] apparmor_setprocattr+0x98c/0xa80 [ 29.779697] ? apparmor_cred_free+0x70/0x70 [ 29.783996] ? proc_pid_attr_write+0x152/0x280 [ 29.788553] ? __might_fault+0x177/0x1b0 [ 29.792589] security_setprocattr+0x74/0xb0 [ 29.796883] proc_pid_attr_write+0x1bd/0x280 [ 29.801265] __vfs_write+0xe4/0x630 [ 29.804865] ? proc_pid_wchan+0xf0/0xf0 [ 29.808811] ? debug_check_no_obj_freed+0x2c0/0x674 [ 29.813799] ? kernel_read+0x110/0x110 [ 29.817663] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.823085] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.828073] ? rcu_sync_lockdep_assert+0x69/0xa0 [ 29.832802] vfs_write+0x17f/0x4d0 [ 29.836316] SyS_write+0xf2/0x210 [ 29.839741] ? SyS_read+0x210/0x210 [ 29.843342] ? __do_page_fault+0x159/0xad0 [ 29.847549] ? do_syscall_64+0x4c/0x640 [ 29.851495] ? SyS_read+0x210/0x210 [ 29.855094] do_syscall_64+0x1d5/0x640 [ 29.858970] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.864133] RIP: 0033:0x440699 [ 29.867296] RSP: 002b:00007ffe91a93c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.874988] RAX: ffffffffffffffda RBX: 00000000004a1d18 RCX: 0000000000440699 [ 29.882229] RDX: 0000000000000031 RSI: 00000000200002c0 RDI: 0000000000000004 [ 29.889470] RBP: 00000000006cb018 R08: 0000000000000001 R09: 00000000004002c8 [ 29.896715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401f00 [ 29.903957] R13: 0000000000401f90 R14: 0000000000000000 R15: 0000000000000000 [ 29.912052] Kernel Offset: disabled [ 29.915702] Rebooting in 86400 seconds..