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kasan-raw.txt
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kasan-raw.txt
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[ 25.262415] ==================================================================
[ 25.263553] BUG: KASAN: use-after-free in snd_usbmidi_free+0x92/0xa0 at addr ffff88006a8c5da0
[ 25.264851] Read of size 8 by task kworker/0:2/928
[ 25.265589] =============================================================================
[ 25.266802] BUG kmalloc-512 (Not tainted): kasan: bad access detected
[ 25.267736] -----------------------------------------------------------------------------
[ 25.267736]
[ 25.269137] Disabling lock debugging due to kernel taint
[ 25.269926] INFO: Allocated in snd_usbmidi_create+0xb4/0x1dc0 age=1 cpu=0 pid=928
[ 25.271023] ___slab_alloc+0x44f/0x470
[ 25.271583] __slab_alloc+0x1b/0x30
[ 25.272103] kmem_cache_alloc_trace+0x126/0x160
[ 25.272774] snd_usbmidi_create+0xb4/0x1dc0
[ 25.273399] create_any_midi_quirk+0x38/0x60
[ 25.274033] snd_usb_create_quirk+0x74/0x110
[ 25.274670] usb_audio_probe+0x43b/0x1d40
[ 25.275262] usb_probe_interface+0x42c/0x8c0
[ 25.275894] driver_probe_device+0x4be/0x800
[ 25.276528] __device_attach_driver+0x176/0x220
[ 25.277199] bus_for_each_drv+0x112/0x1b0
[ 25.277804] __device_attach+0x1c6/0x2a0
[ 25.278362] device_initial_probe+0xe/0x10
[ 25.278941] bus_probe_device+0x199/0x240
[ 25.279509] device_add+0x94c/0x1340
[ 25.280020] usb_set_configuration+0xaec/0x1540
[ 25.280663] INFO: Freed in snd_usbmidi_free+0x7f/0xa0 age=1 cpu=0 pid=928
[ 25.281608] __slab_free+0x170/0x290
[ 25.282123] kfree+0x13b/0x150
[ 25.282562] snd_usbmidi_free+0x7f/0xa0
[ 25.283104] snd_usbmidi_create+0x11bc/0x1dc0
[ 25.283702] create_any_midi_quirk+0x38/0x60
[ 25.284323] snd_usb_create_quirk+0x74/0x110
[ 25.284932] usb_audio_probe+0x43b/0x1d40
[ 25.285505] usb_probe_interface+0x42c/0x8c0
[ 25.286121] driver_probe_device+0x4be/0x800
[ 25.286665] __device_attach_driver+0x176/0x220
[ 25.287227] bus_for_each_drv+0x112/0x1b0
[ 25.287725] __device_attach+0x1c6/0x2a0
[ 25.288213] device_initial_probe+0xe/0x10
[ 25.288721] bus_probe_device+0x199/0x240
[ 25.289219] device_add+0x94c/0x1340
[ 25.289677] usb_set_configuration+0xaec/0x1540
[ 25.290319] INFO: Slab 0xffffea0001aa3100 objects=10 used=0 fp=0xffff88006a8c5cb0 flags=0x100000000004080
[ 25.291648] INFO: Object 0xffff88006a8c5cb0 @offset=7344 fp=0xffff88006a8c4330
[ 25.291648]
[ 25.292848] Bytes b4 ffff88006a8c5ca0: 00 00 00 00 49 0a 00 00 33 b8 fb ff 00 00 00 00 ....I...3.......
[ 25.294156] Object ffff88006a8c5cb0: 30 43 8c 6a 00 88 ff ff 20 67 6b 6c 00 88 ff ff 0C.j.... gkl....
[ 25.295231] Object ffff88006a8c5cc0: 60 ca be 6a 00 88 ff ff 40 28 30 83 ff ff ff ff `..j....@(0.....
[ 25.296304] Object ffff88006a8c5cd0: 80 c9 76 6b 00 88 ff ff 80 0e 98 83 ff ff ff ff ..vk............
[ 25.297531] Object ffff88006a8c5ce0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.298791] Object ffff88006a8c5cf0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.300014] Object ffff88006a8c5d00: 00 00 00 00 00 00 00 00 c0 ae 6b 82 ff ff ff ff ..........k.....
[ 25.301237] Object ffff88006a8c5d10: b0 5c 8c 6a 00 88 ff ff 00 00 00 00 ff ff ff ff .\.j............
[ 25.302469] Object ffff88006a8c5d20: ff ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.303695] Object ffff88006a8c5d30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.304916] Object ffff88006a8c5d40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.306135] Object ffff88006a8c5d50: 50 5d 8c 6a 00 88 ff ff 50 5d 8c 6a 00 88 ff ff P].j....P].j....
[ 25.307303] Object ffff88006a8c5d60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.308478] Object ffff88006a8c5d70: 01 00 00 00 00 00 00 00 78 5d 8c 6a 00 88 ff ff ........x].j....
[ 25.309649] Object ffff88006a8c5d80: 78 5d 8c 6a 00 88 ff ff 00 00 00 00 00 00 00 00 x].j............
[ 25.310830] Object ffff88006a8c5d90: 00 00 00 00 00 00 00 00 33 10 63 07 01 00 00 00 ........3.c.....
[ 25.312007] Object ffff88006a8c5da0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.313176] Object ffff88006a8c5db0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.314342] Object ffff88006a8c5dc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.315511] Object ffff88006a8c5dd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.316682] Object ffff88006a8c5de0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.317861] Object ffff88006a8c5df0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.318986] Object ffff88006a8c5e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.320100] Object ffff88006a8c5e10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.321225] Object ffff88006a8c5e20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.322355] Object ffff88006a8c5e30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.323475] Object ffff88006a8c5e40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.324586] Object ffff88006a8c5e50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.325706] Object ffff88006a8c5e60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.326826] Object ffff88006a8c5e70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.327937] Object ffff88006a8c5e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.329049] Object ffff88006a8c5e90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.330133] Object ffff88006a8c5ea0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 25.331131] CPU: 0 PID: 928 Comm: kworker/0:2 Tainted: G B 4.4.0 #7
[ 25.331922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5-0-ge51488c-20140602_164612-nilsson.home.kraxel.org 04/01/2014
[ 25.333297] Workqueue: usb_hub_wq hub_event
[ 25.333766] ffff88006a8c4000 ffff88006b616e50 ffffffff819f6215 ffff88006cc02200
[ 25.334622] ffff88006b616e80 ffffffff81431c84 ffff88006cc02200 ffffea0001aa3100
[ 25.335476] ffff88006a8c5cb0 ffff88006a8c5cb0 ffff88006b616ea8 ffffffff81436c7f
[ 25.336326] Call Trace:
[ 25.336602] [<ffffffff819f6215>] dump_stack+0x44/0x5f
[ 25.337162] [<ffffffff81431c84>] print_trailer+0xf4/0x150
[ 25.337764] [<ffffffff81436c7f>] object_err+0x2f/0x40
[ 25.338323] [<ffffffff81438e9d>] kasan_report_error+0x20d/0x520
[ 25.338973] [<ffffffff814353f2>] ? __slab_free+0x1a2/0x290
[ 25.339604] [<ffffffff814385b6>] ? kasan_unpoison_shadow+0x36/0x50
[ 25.340283] [<ffffffff8157dda7>] ? proc_entry_rundown+0xb7/0x190
[ 25.340949] [<ffffffff814392ae>] __asan_report_load8_noabort+0x3e/0x40
[ 25.341681] [<ffffffff826baa72>] ? snd_usbmidi_free+0x92/0xa0
[ 25.342303] [<ffffffff826baa72>] snd_usbmidi_free+0x92/0xa0
[ 25.342899] [<ffffffff826baab2>] snd_usbmidi_rawmidi_free+0x32/0x40
[ 25.343525] [<ffffffff825f2f7f>] snd_rawmidi_free+0x11f/0x170
[ 25.344065] [<ffffffff825f2ffc>] snd_rawmidi_dev_free+0x2c/0x40
[ 25.344617] [<ffffffff825aa565>] __snd_device_free+0x125/0x210
[ 25.345158] [<ffffffff825aad10>] snd_device_free_all+0x80/0xc0
[ 25.345745] [<ffffffff8259b24f>] release_card_device+0x2f/0x130
[ 25.346366] [<ffffffff8202f6e1>] device_release+0x71/0x1e0
[ 25.347086] [<ffffffff819fbd81>] kobject_release+0xc1/0x160
[ 25.348214] [<ffffffff819fb9fe>] kobject_put+0x4e/0xa0
[ 25.349420] [<ffffffff8202fd42>] put_device+0x12/0x20
[ 25.350574] [<ffffffff8259d6ac>] snd_card_free+0xac/0xf0
[ 25.351768] [<ffffffff8259d600>] ? snd_card_free_when_closed+0x30/0x30
[ 25.353218] [<ffffffff826b2374>] ? snd_usb_create_quirk+0x74/0x110
[ 25.354572] [<ffffffff826aff65>] ? snd_usb_audio_create_proc+0x115/0x1e0
[ 25.355887] [<ffffffff8267eb9a>] usb_audio_probe+0x77a/0x1d40
[ 25.357040] [<ffffffff8267e420>] ? snd_usb_create_stream+0x480/0x480
[ 25.357858] [<ffffffff82056ee6>] ? __pm_runtime_set_status+0x496/0x960
[ 25.358472] [<ffffffff82317a8c>] usb_probe_interface+0x42c/0x8c0
[ 25.359039] [<ffffffff8203c79e>] driver_probe_device+0x4be/0x800
[ 25.359602] [<ffffffff8203cda6>] __device_attach_driver+0x176/0x220
[ 25.360186] [<ffffffff8203cc30>] ? __driver_attach+0x150/0x150
[ 25.360731] [<ffffffff82037682>] bus_for_each_drv+0x112/0x1b0
[ 25.361271] [<ffffffff82037570>] ? bus_rescan_devices+0x20/0x20
[ 25.361830] [<ffffffff82e6b129>] ? _raw_spin_unlock_irqrestore+0x9/0x10
[ 25.362445] [<ffffffff8203c1d6>] __device_attach+0x1c6/0x2a0
[ 25.362971] [<ffffffff8203c010>] ? device_bind_driver+0x30/0x30
[ 25.363524] [<ffffffff819fe492>] ? kobject_uevent_env+0x202/0xa50
[ 25.364090] [<ffffffff8203cebe>] device_initial_probe+0xe/0x10
[ 25.364632] [<ffffffff8203a299>] bus_probe_device+0x199/0x240
[ 25.365166] [<ffffffff8203447c>] device_add+0x94c/0x1340
[ 25.365670] [<ffffffff82033b30>] ? device_private_init+0x180/0x180
[ 25.366237] [<ffffffff8204ee24>] ? wakeup_sysfs_add+0x14/0x20
[ 25.366757] [<ffffffff82061b20>] ? device_set_wakeup_capable+0xc0/0x160
[ 25.367354] [<ffffffff82310d3c>] usb_set_configuration+0xaec/0x1540
[ 25.367919] [<ffffffff8232e516>] generic_probe+0x56/0xb0
[ 25.368402] [<ffffffff8231762a>] usb_probe_device+0x8a/0xc0
[ 25.368908] [<ffffffff8203c79e>] driver_probe_device+0x4be/0x800
[ 25.369451] [<ffffffff8203cda6>] __device_attach_driver+0x176/0x220
[ 25.370019] [<ffffffff8203cc30>] ? __driver_attach+0x150/0x150
[ 25.370548] [<ffffffff82037682>] bus_for_each_drv+0x112/0x1b0
[ 25.371068] [<ffffffff82037570>] ? bus_rescan_devices+0x20/0x20
[ 25.371604] [<ffffffff82e6b129>] ? _raw_spin_unlock_irqrestore+0x9/0x10
[ 25.372199] [<ffffffff8203c1d6>] __device_attach+0x1c6/0x2a0
[ 25.372708] [<ffffffff8203c010>] ? device_bind_driver+0x30/0x30
[ 25.373248] [<ffffffff819fe492>] ? kobject_uevent_env+0x202/0xa50
[ 25.373804] [<ffffffff8203cebe>] device_initial_probe+0xe/0x10
[ 25.374320] [<ffffffff8203a299>] bus_probe_device+0x199/0x240
[ 25.374839] [<ffffffff8203447c>] device_add+0x94c/0x1340
[ 25.375323] [<ffffffff82033b30>] ? device_private_init+0x180/0x180
[ 25.375883] [<ffffffff822f41a1>] usb_new_device+0x701/0xfa0
[ 25.376386] [<ffffffff822f8580>] hub_event+0x1b70/0x2d00
[ 25.376870] [<ffffffff822f6a10>] ? hub_port_debounce+0x1b0/0x1b0
[ 25.377413] [<ffffffff82050101>] ? dev_pm_get_subsys_data+0x71/0x1c0
[ 25.377994] [<ffffffff8100a4fc>] ? __switch_to+0x7ac/0xe40
[ 25.378492] [<ffffffff82e6b129>] ? _raw_spin_unlock_irqrestore+0x9/0x10
[ 25.379068] [<ffffffff820575cd>] ? __pm_runtime_suspend+0x8d/0xb0
[ 25.379620] [<ffffffff8113622f>] ? pwq_dec_nr_in_flight+0x11f/0x270
[ 25.380187] [<ffffffff822f682d>] ? usb_remote_wakeup+0x4d/0x80
[ 25.380720] [<ffffffff81137375>] process_one_work+0x585/0x1200
[ 25.381249] [<ffffffff811380c7>] worker_thread+0xd7/0x1200
[ 25.381742] [<ffffffff82e608b5>] ? __schedule+0x935/0x1d60
[ 25.382242] [<ffffffff81137ff0>] ? process_one_work+0x1200/0x1200
[ 25.382791] [<ffffffff81148ba0>] kthread+0x1c0/0x260
[ 25.383242] [<ffffffff811489e0>] ? kthread_worker_fn+0x580/0x580
[ 25.383784] [<ffffffff8100a4fc>] ? __switch_to+0x7ac/0xe40
[ 25.384280] [<ffffffff811489e0>] ? kthread_worker_fn+0x580/0x580
[ 25.384824] [<ffffffff82e6bb4f>] ret_from_fork+0x3f/0x70
[ 25.385304] [<ffffffff811489e0>] ? kthread_worker_fn+0x580/0x580
[ 25.385846] Memory state around the buggy address:
[ 25.386271] ffff88006a8c5c80: fc fc fc fc fc fc fb fb fb fb fb fb fb fb fb fb
[ 25.386906] ffff88006a8c5d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 25.387548] >ffff88006a8c5d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 25.388184] ^
[ 25.388565] ffff88006a8c5e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 25.389202] ffff88006a8c5e80: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
[ 25.389844] ==================================================================