memory leak in atusb

memory leak in atusb_probe
Status: upstream: reported C repro on 2020/11/13 17:17
Reported-by: syzbot+28a246747e0a465127f3@syzkaller.appspotmail.com
Fix commit: 6b9fbe169551 drivers: net: fix memory leak in atusb_probe
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 254d, last: 108d

Patch testing requests:
Created	Duration	User	Patch	Repo	Result
2021/03/31 20:07	17m	paskripkin@gmail.com		https://linux.googlesource.com/linux/kernel/git/torvalds/linux refs/changes/96/9796/1	OK

Sample crash report:

BUG: memory leak
unreferenced object 0xffff88810d920240 (size 192):
  comm "kworker/0:2", pid 3658, jiffies 4294943075 (age 13.270s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 58 02 92 0d 81 88 ff ff  ........X.......
  backtrace:
    [<ffffffff82ba0466>] kmalloc include/linux/slab.h:559 [inline]
    [<ffffffff82ba0466>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
    [<ffffffff82ad3888>] atusb_alloc_urbs drivers/net/ieee802154/atusb.c:362 [inline]
    [<ffffffff82ad3888>] atusb_probe+0x158/0x820 drivers/net/ieee802154/atusb.c:1038
    [<ffffffff82ba7b77>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<ffffffff825f6019>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<ffffffff825f63e4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<ffffffff825f6afe>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<ffffffff825f2f97>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<ffffffff825f6692>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<ffffffff825f4c36>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<ffffffff825f1185>] device_add+0x5d5/0xc40 drivers/base/core.c:3242
    [<ffffffff82ba5119>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<ffffffff82bb557c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<ffffffff82ba72dc>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<ffffffff825f6019>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<ffffffff825f63e4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<ffffffff825f6afe>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846

BUG: memory leak
unreferenced object 0xffff888110fb0f00 (size 192):
  comm "kworker/1:1", pid 36, jiffies 4294943677 (age 7.250s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 18 0f fb 10 81 88 ff ff  ................
  backtrace:
    [<ffffffff82ba0466>] kmalloc include/linux/slab.h:559 [inline]
    [<ffffffff82ba0466>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
    [<ffffffff82ad3888>] atusb_alloc_urbs drivers/net/ieee802154/atusb.c:362 [inline]
    [<ffffffff82ad3888>] atusb_probe+0x158/0x820 drivers/net/ieee802154/atusb.c:1038
    [<ffffffff82ba7b77>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<ffffffff825f6019>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<ffffffff825f63e4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<ffffffff825f6afe>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<ffffffff825f2f97>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<ffffffff825f6692>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<ffffffff825f4c36>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<ffffffff825f1185>] device_add+0x5d5/0xc40 drivers/base/core.c:3242
    [<ffffffff82ba5119>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<ffffffff82bb557c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<ffffffff82ba72dc>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<ffffffff825f6019>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<ffffffff825f63e4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<ffffffff825f6afe>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846

BUG: memory leak
unreferenced object 0xffff888110fb00c0 (size 192):
  comm "kworker/1:1", pid 36, jiffies 4294943677 (age 7.250s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 d8 00 fb 10 81 88 ff ff  ................
  backtrace:
    [<ffffffff82ba0466>] kmalloc include/linux/slab.h:559 [inline]
    [<ffffffff82ba0466>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
    [<ffffffff82ad3888>] atusb_alloc_urbs drivers/net/ieee802154/atusb.c:362 [inline]
    [<ffffffff82ad3888>] atusb_probe+0x158/0x820 drivers/net/ieee802154/atusb.c:1038
    [<ffffffff82ba7b77>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<ffffffff825f6019>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<ffffffff825f63e4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<ffffffff825f6afe>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<ffffffff825f2f97>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<ffffffff825f6692>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<ffffffff825f4c36>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<ffffffff825f1185>] device_add+0x5d5/0xc40 drivers/base/core.c:3242
    [<ffffffff82ba5119>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<ffffffff82bb557c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<ffffffff82ba72dc>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<ffffffff825f6019>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<ffffffff825f63e4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<ffffffff825f6afe>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846

Crashes (71):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Title
ci-upstream-gce-leak	2021/03/27 06:50	upstream	db24726bfefa	a8529b82	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/03/26 03:44	upstream	e138138003eb	6a383ecf	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/03/21 02:10	upstream	1c273e10bc0c	17810eae	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/03/11 13:16	upstream	a74e6a014c9d	c2ca1f2a	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/23 20:25	upstream	3b9cdafb5358	fcc6d71b	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/19 20:36	upstream	f40ddce88593	f689d40a	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/18 10:35	upstream	f40ddce88593	14052202	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/17 15:15	upstream	f40ddce88593	052f8d9f	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/17 10:12	upstream	f40ddce88593	052f8d9f	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/15 05:42	upstream	f40ddce88593	98682e5e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/14 19:29	upstream	358feceebbf6	98682e5e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/14 03:55	upstream	ac30d8ce28d6	98682e5e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/13 13:58	upstream	c6d8570e4d64	98682e5e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/12 12:42	upstream	dcc0b49040c7	a5f86b15	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/12 12:13	upstream	dcc0b49040c7	a5f86b15	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/09 04:45	upstream	e0756cfc7d7c	2bd9619f	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/08 17:32	upstream	92bf22614b21	2ce644fc	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/07 10:16	upstream	825b5991a46e	2ce644fc	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/04 02:10	upstream	3afe9076a7c1	624dad51	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/03 02:54	upstream	3aaf0a27ffc2	624dad51	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/02 01:09	upstream	1048ba83fb1c	e6b95f32	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/02/01 10:10	upstream	1048ba83fb1c	fc9fd31e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/31 15:10	upstream	6642d600b541	fc9fd31e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/31 05:21	upstream	8c947645151c	fc9fd31e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/30 14:37	upstream	0e9bcda5d286	fc9fd31e	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/29 19:46	upstream	bec4c2968fce	6593fd32	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/29 19:16	upstream	bec4c2968fce	6593fd32	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/29 16:23	upstream	bec4c2968fce	6593fd32	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/28 21:48	upstream	e5ff2cb9cf67	7df34f59	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/28 06:11	upstream	76c057c84d28	eefc07f2	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/27 11:31	upstream	2ab38c17aac1	a0ebf917	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/27 03:57	upstream	13391c60da33	55a7d4df	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/25 21:14	upstream	6ee1d745b7c9	52e37319	.config	log	report	syz	C	memory leak in atusb_probe
ci-upstream-gce-leak	2021/01/10 08:08	upstream	2ff90100ace8	2c1f2513	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/09 23:20	upstream	996e435fd401	2c1f2513	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/09 13:32	upstream	996e435fd401	a6c52263	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/07 23:08	upstream	71c061d24438	c104d4a3	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/07 22:49	upstream	71c061d24438	c104d4a3	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/07 22:23	upstream	71c061d24438	c104d4a3	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/04 23:32	upstream	36bbbd0e234d	2a28ff1f	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/04 04:01	upstream	e71ba9452f0b	79264ae3	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/02 01:32	upstream	eda809aef534	79264ae3	.config	log	report	syz	C
ci-upstream-gce-leak	2021/01/01 04:46	upstream	f6e1ea196492	79264ae3	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/30 19:58	upstream	139711f033f6	ecb8c012	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/30 06:09	upstream	139711f033f6	0fa352f2	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/29 17:58	upstream	dea8dcf2a9fa	80910769	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/28 18:45	upstream	5c8fe583cce5	8259d56c	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/27 17:05	upstream	f838f8d2b694	2242f77f	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/27 05:40	upstream	f838f8d2b694	821e0b09	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/26 23:57	upstream	40f78232f973	821e0b09	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/26 08:27	upstream	5814bc2d4cc2	821e0b09	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/25 14:20	upstream	71c5f03154ac	b982b3ea	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/23 13:35	upstream	614cb5894306	c2c1d1dd	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/23 03:48	upstream	614cb5894306	04201c06	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/21 21:18	upstream	e37b12e4bb21	04201c06	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/20 11:46	upstream	467f8165a2b0	04201c06	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/18 23:49	upstream	a409ed156a90	04201c06	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/17 18:34	upstream	accefff5b547	04201c06	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/16 06:34	upstream	d635a69dd498	f213e07e	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/15 10:43	upstream	148842c98a24	97183ed7	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/08 19:22	upstream	cd796ed33450	a7f7f4a4	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/04 20:40	upstream	e87297fa080a	20366b87	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/02 08:18	upstream	509a15421674	c42a35e9	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/01 16:32	upstream	b65054597872	07bfe8a5	.config	log	report	syz	C
ci-upstream-gce-leak	2020/12/01 13:02	upstream	b65054597872	b3a34598	.config	log	report	syz	C
ci-upstream-gce-leak	2020/11/30 13:00	upstream	b65054597872	a0092f9d	.config	log	report	syz	C
ci-upstream-gce-leak	2020/11/29 04:35	upstream	45e885c439e8	a0092f9d	.config	log	report	syz	C
ci-upstream-gce-leak	2020/11/24 06:03	upstream	d5beb3140f91	1ab681a4	.config	log	report	syz	C
ci-upstream-gce-leak	2020/11/17 15:22	upstream	9c87c9f41245	bd2a760b	.config	log	report	syz	C
ci-upstream-gce-leak	2020/11/13 00:37	upstream	af5043c89a8e	16fca0c8	.config	log	report	syz	C
ci-upstream-gce-leak	2021/04/07 19:55	upstream	2d743660786e	6a81331a	.config	log	report	syz		memory leak in atusb_probe