[ 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 '10.128.10.3' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.908313] usb usb9: usbfs: interface 0 claimed by hub while 'syz-executor305' sets config #0 [ 34.917422] usb usb9: usbfs: interface 0 claimed by hub while 'syz-executor305' sets config #1 [ 34.930801] FAULT_INJECTION: forcing a failure. [ 34.930801] name failslab, interval 1, probability 0, space 0, times 1 [ 34.942706] CPU: 0 PID: 8100 Comm: syz-executor305 Not tainted 4.19.208-syzkaller #0 [ 34.950642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.960027] Call Trace: [ 34.962617] dump_stack+0x1fc/0x2ef [ 34.966232] should_fail.cold+0xa/0xf [ 34.970022] ? setup_fault_attr+0x200/0x200 [ 34.974330] ? lock_acquire+0x170/0x3c0 [ 34.978350] __should_failslab+0x115/0x180 [ 34.982571] should_failslab+0x5/0x10 [ 34.986357] __kmalloc+0x2ab/0x3c0 [ 34.989925] ? kobject_get_path+0xbf/0x240 [ 34.994146] kobject_get_path+0xbf/0x240 [ 34.998196] kobject_uevent_env+0x25c/0x1480 [ 35.002590] ? up_read+0x17/0x110 [ 35.006033] ? blocking_notifier_call_chain+0x54/0xa0 [ 35.011372] __device_release_driver+0x55d/0x6d0 [ 35.016119] device_release_driver+0x23/0x30 [ 35.020512] usb_driver_release_interface+0x102/0x180 [ 35.025684] proc_disconnect_claim+0x217/0x380 [ 35.030251] ? proc_ioctl+0x630/0x630 [ 35.034065] ? wait_for_completion_io+0x10/0x10 [ 35.038718] ? proc_ioctl+0x17e/0x630 [ 35.042519] usbdev_do_ioctl+0x278d/0x3030 [ 35.046737] ? __save_stack_trace+0xaf/0x190 [ 35.051130] ? proc_bulk+0x860/0x860 [ 35.054828] ? trace_hardirqs_off+0x64/0x200 [ 35.059218] ? __kasan_slab_free+0x186/0x1f0 [ 35.063609] ? kmem_cache_free+0x7f/0x260 [ 35.067747] ? putname+0xe1/0x120 [ 35.071181] ? do_sys_open+0x2ba/0x520 [ 35.075054] ? do_syscall_64+0xf9/0x620 [ 35.079010] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.084376] ? mark_held_locks+0xf0/0xf0 [ 35.088423] ? debug_check_no_obj_freed+0x201/0x490 [ 35.093424] ? lock_downgrade+0x720/0x720 [ 35.097551] ? lock_acquire+0x170/0x3c0 [ 35.101506] ? usbdev_compat_ioctl+0x30/0x30 [ 35.105908] usbdev_ioctl+0x21/0x30 [ 35.109603] do_vfs_ioctl+0xcdb/0x12e0 [ 35.113491] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.118576] ? debug_check_no_obj_freed+0x201/0x490 [ 35.123578] ? ioctl_preallocate+0x200/0x200 [ 35.127970] ? putname+0xe1/0x120 [ 35.131419] ? putname+0xe1/0x120 [ 35.134862] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.139863] ? kmem_cache_free+0x226/0x260 [ 35.144094] ? putname+0xe1/0x120 [ 35.147528] ? do_sys_open+0x2bf/0x520 [ 35.151407] ? filp_open+0x70/0x70 [ 35.154932] ksys_ioctl+0x9b/0xc0 [ 35.158379] __x64_sys_ioctl+0x6f/0xb0 [ 35.162250] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.166814] do_syscall_64+0xf9/0x620 [ 35.170598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.175767] RIP: 0033:0x7f22ba0c1799 [ 35.179489] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.198456] RSP: 002b:00007ffd4e26a628 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 35.206149] RAX: ffffffffffffffda RBX: 00007f22ba105194 RCX: 00007f22ba0c1799 [ 35.213401] RDX: 0000000020000380 RSI: 000000008108551b RDI: 0000000000000006 [ 35.220656] RBP: 00007ffd4e26a640 R08: 0000000000000001 R09: 0000000000000001 [ 35.227907] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 [ 35.235159] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.259904] FAULT_INJECTION: forcing a failure. [ 35.259904] name failslab, interval 1, probability 0, space 0, times 0 [ 35.271182] CPU: 1 PID: 8101 Comm: syz-executor305 Not tainted 4.19.208-syzkaller #0 [ 35.279101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.288474] Call Trace: [ 35.291048] dump_stack+0x1fc/0x2ef [ 35.294659] should_fail.cold+0xa/0xf [ 35.298445] ? setup_fault_attr+0x200/0x200 [ 35.302748] ? lock_acquire+0x170/0x3c0 [ 35.306706] __should_failslab+0x115/0x180 [ 35.310922] should_failslab+0x5/0x10 [ 35.314734] __kmalloc_track_caller+0x2a6/0x3c0 [ 35.319388] ? kstrdup_const+0x53/0x80 [ 35.323259] kstrdup+0x36/0x70 [ 35.326447] kstrdup_const+0x53/0x80 [ 35.330150] __kernfs_new_node+0x9b/0x680 [ 35.334291] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 35.339045] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.343608] ? mark_held_locks+0xf0/0xf0 [ 35.347651] ? depot_save_stack+0x258/0x410 [ 35.351955] ? kasan_kmalloc+0x139/0x160 [ 35.356005] ? kmem_cache_alloc_trace+0x12f/0x380 [ 35.360832] kernfs_create_dir_ns+0x9e/0x230 [ 35.365235] sysfs_create_dir_ns+0x127/0x280 [ 35.369628] ? sysfs_create_mount_point+0xb0/0xb0 [ 35.374458] ? lock_acquire+0x170/0x3c0 [ 35.378427] ? kobject_add_internal+0x134/0x9c0 [ 35.383086] ? do_raw_spin_unlock+0x171/0x230 [ 35.387563] kobject_add_internal+0x2a5/0x9c0 [ 35.392042] ? lock_acquire+0x151/0x3c0 [ 35.396008] kobject_add+0x150/0x1c0 [ 35.399704] ? kset_create_and_add+0x1a0/0x1a0 [ 35.404281] ? device_add+0xe5a/0x16d0 [ 35.408167] ? __lockdep_init_map+0x100/0x5a0 [ 35.412706] ? root_device_release+0x20/0x20 [ 35.417099] ? device_add+0x35c/0x16d0 [ 35.421034] device_add+0x37b/0x16d0 [ 35.424824] ? wait_for_completion_io+0x10/0x10 [ 35.429476] ? device_check_offline+0x280/0x280 [ 35.434134] usb_set_configuration+0x1016/0x18c0 [ 35.438924] usbdev_do_ioctl+0x27a8/0x3030 [ 35.443320] ? proc_bulk+0x860/0x860 [ 35.447022] ? check_preemption_disabled+0x41/0x280 [ 35.452046] ? lock_downgrade+0x720/0x720 [ 35.456185] ? check_preemption_disabled+0x41/0x280 [ 35.461208] ? get_pid_task+0xf4/0x190 [ 35.465082] ? proc_fail_nth_write+0x95/0x1d0 [ 35.469572] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.474498] ? mark_held_locks+0xf0/0xf0 [ 35.478544] ? __vfs_write+0xff/0x770 [ 35.482325] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.487239] ? usbdev_compat_ioctl+0x30/0x30 [ 35.491629] usbdev_ioctl+0x21/0x30 [ 35.495240] do_vfs_ioctl+0xcdb/0x12e0 [ 35.499125] ? vfs_write+0x3d7/0x540 [ 35.502821] ? ioctl_preallocate+0x200/0x200 [ 35.507219] ? lock_downgrade+0x720/0x720 [ 35.511351] ? check_preemption_disabled+0x41/0x280 [ 35.516377] ? vfs_write+0x393/0x540 [ 35.520080] ? ksys_write+0x1c8/0x2a0 [ 35.523878] ksys_ioctl+0x9b/0xc0 [ 35.527317] __x64_sys_ioctl+0x6f/0xb0 [ 35.531187] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.535752] do_syscall_64+0xf9/0x620 [ 35.539552] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.544724] RIP: 0033:0x7f22ba0c1799 [ 35.548422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.567302] RSP: 002b:00007ffd4e26a628 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.575008] RAX: ffffffffffffffda RBX: 00007f22ba105194 RCX: 00007f22ba0c1799 [ 35.582272] RDX: 0000000020000000 RSI: 0000000080045505 RDI: 0000000000000004 [ 35.589525] RBP: 00007ffd4e26a640 R08: 0000000000000001 R09: 0000000000000001 [ 35.596776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 35.604027] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.612978] kobject_add_internal failed for 9-0:1.0 (error: -12 parent: usb9) [ 35.620377] usb usb9: device_add(9-0:1.0) --> -12 [ 35.625964] kasan: CONFIG_KASAN_INLINE enabled [ 35.630734] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.640670] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 35.646907] CPU: 1 PID: 8101 Comm: syz-executor305 Not tainted 4.19.208-syzkaller #0 [ 35.654767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.664108] RIP: 0010:__device_attach+0xaa/0x470 [ 35.668843] Code: e8 03 42 80 3c 20 00 0f 85 77 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 49 8d bc 24 d0 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 42 03 00 00 45 0f b6 b4 24 d0 00 00 [ 35.687725] RSP: 0018:ffff8880a2b3fa40 EFLAGS: 00010202 [ 35.693069] RAX: dffffc0000000000 RBX: 1ffff11014567f49 RCX: 0000000000000000 [ 35.700319] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 35.707584] RBP: ffff8880952660b0 R08: 0000000000000000 R09: ffffed1012a4cc22 [ 35.714836] R10: ffff888095266117 R11: 0000000000000000 R12: 0000000000000000 [ 35.722086] R13: ffff8880a2b3fc0c R14: 00000000fffffff0 R15: ffff888095266110 [ 35.729334] FS: 0000555555eb3300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 35.737632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.743519] CR2: 00007f22ba0f0fd0 CR3: 00000000b12d2000 CR4: 00000000003406e0 [ 35.750770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.758018] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.765270] Call Trace: [ 35.767928] ? really_probe+0xbd0/0xbd0 [ 35.771886] ? usb_ifnum_to_if+0x12b/0x180 [ 35.776121] proc_ioctl+0x526/0x630 [ 35.779733] usbdev_do_ioctl+0x2773/0x3030 [ 35.783964] ? __save_stack_trace+0xaf/0x190 [ 35.788361] ? proc_bulk+0x860/0x860 [ 35.792174] ? trace_hardirqs_off+0x64/0x200 [ 35.796572] ? __kasan_slab_free+0x186/0x1f0 [ 35.801033] ? kmem_cache_free+0x7f/0x260 [ 35.805173] ? putname+0xe1/0x120 [ 35.808612] ? do_sys_open+0x2ba/0x520 [ 35.812492] ? do_syscall_64+0xf9/0x620 [ 35.816451] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.821800] ? mark_held_locks+0xf0/0xf0 [ 35.825851] ? mark_held_locks+0xf0/0xf0 [ 35.829911] ? debug_check_no_obj_freed+0x201/0x490 [ 35.835086] ? lock_downgrade+0x720/0x720 [ 35.839252] ? lock_acquire+0x170/0x3c0 [ 35.843209] ? usbdev_compat_ioctl+0x30/0x30 [ 35.847596] usbdev_ioctl+0x21/0x30 [ 35.851259] do_vfs_ioctl+0xcdb/0x12e0 [ 35.855138] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.860231] ? debug_check_no_obj_freed+0x201/0x490 [ 35.865238] ? ioctl_preallocate+0x200/0x200 [ 35.869626] ? putname+0xe1/0x120 [ 35.873156] ? putname+0xe1/0x120 [ 35.876771] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.881764] ? kmem_cache_free+0x226/0x260 [ 35.885974] ? putname+0xe1/0x120 [ 35.889408] ? do_sys_open+0x2bf/0x520 [ 35.893273] ? filp_open+0x70/0x70 [ 35.896792] ksys_ioctl+0x9b/0xc0 [ 35.900242] __x64_sys_ioctl+0x6f/0xb0 [ 35.904213] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.908813] do_syscall_64+0xf9/0x620 [ 35.912597] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.917765] RIP: 0033:0x7f22ba0c1799 [ 35.921457] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.940336] RSP: 002b:00007ffd4e26a628 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.948027] RAX: ffffffffffffffda RBX: 00007f22ba105194 RCX: 00007f22ba0c1799 [ 35.955277] RDX: 0000000020000040 RSI: 00000000c0105512 RDI: 0000000000000006 [ 35.962535] RBP: 00007ffd4e26a640 R08: 0000000000000001 R09: 0000000000000001 [ 35.969802] R10: 000000000000ffff R11: 0000000000000246 R12: 0000000000000001 [ 35.977053] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.984301] Modules linked in: [ 35.988961] ---[ end trace 56ad25ddacd3d5f0 ]--- [ 35.993865] RIP: 0010:__device_attach+0xaa/0x470 [ 35.998932] Code: e8 03 42 80 3c 20 00 0f 85 77 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 49 8d bc 24 d0 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 42 03 00 00 45 0f b6 b4 24 d0 00 00 [ 36.017922] RSP: 0018:ffff8880a2b3fa40 EFLAGS: 00010202 [ 36.023328] RAX: dffffc0000000000 RBX: 1ffff11014567f49 RCX: 0000000000000000 [ 36.030694] RDX: 000000000000001a RSI: 0000000000000008 RDI: 00000000000000d0 [ 36.038303] RBP: ffff8880952660b0 R08: 0000000000000000 R09: ffffed1012a4cc22 [ 36.045634] R10: ffff888095266117 R11: 0000000000000000 R12: 0000000000000000 [ 36.052917] R13: ffff8880a2b3fc0c R14: 00000000fffffff0 R15: ffff888095266110 [ 36.060259] FS: 0000555555eb3300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.068566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.074499] CR2: 00007f41bcde2000 CR3: 00000000b12d2000 CR4: 00000000003406e0 [ 36.081803] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.089129] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.096550] Kernel panic - not syncing: Fatal exception [ 36.102152] Kernel Offset: disabled [ 36.105778] Rebooting in 86400 seconds..