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linux-stable/drivers/usb/misc
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Zqiang 28ebeb8db7 usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnect 
BUG: memory leak
unreferenced object 0xffff888055046e00 (size 256):
  comm "kworker/2:9", pid 2570, jiffies 4294942129 (age 1095.500s)
  hex dump (first 32 bytes):
    00 70 04 55 80 88 ff ff 18 bb 5a 81 ff ff ff ff  .p.U......Z.....
    f5 96 78 81 ff ff ff ff 37 de 8e 81 ff ff ff ff  ..x.....7.......
  backtrace:
    [<00000000d121dccf>] kmemleak_alloc_recursive
include/linux/kmemleak.h:43 [inline]
    [<00000000d121dccf>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000d121dccf>] slab_alloc_node mm/slub.c:2786 [inline]
    [<00000000d121dccf>] slab_alloc mm/slub.c:2794 [inline]
    [<00000000d121dccf>] kmem_cache_alloc_trace+0x15e/0x2d0 mm/slub.c:2811
    [<000000005c3c3381>] kmalloc include/linux/slab.h:555 [inline]
    [<000000005c3c3381>] usbtest_probe+0x286/0x19d0
drivers/usb/misc/usbtest.c:2790
    [<000000001cec6910>] usb_probe_interface+0x2bd/0x870
drivers/usb/core/driver.c:361
    [<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551
    [<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724
    [<000000003ef66004>] __device_attach_driver+0x1b6/0x240
drivers/base/dd.c:831
    [<00000000eee53e97>] bus_for_each_drv+0x14e/0x1e0 drivers/base/bus.c:431
    [<00000000bb0648d0>] __device_attach+0x1f9/0x350 drivers/base/dd.c:897
    [<00000000838b324a>] device_initial_probe+0x1a/0x20 drivers/base/dd.c:944
    [<0000000030d501c1>] bus_probe_device+0x1e1/0x280 drivers/base/bus.c:491
    [<000000005bd7adef>] device_add+0x131d/0x1c40 drivers/base/core.c:2504
    [<00000000a0937814>] usb_set_configuration+0xe84/0x1ab0
drivers/usb/core/message.c:2030
    [<00000000e3934741>] generic_probe+0x6a/0xe0 drivers/usb/core/generic.c:210
    [<0000000098ade0f1>] usb_probe_device+0x90/0xd0
drivers/usb/core/driver.c:266
    [<000000007806c118>] really_probe+0x48d/0x8f0 drivers/base/dd.c:551
    [<00000000a3308c3e>] driver_probe_device+0xfc/0x2a0 drivers/base/dd.c:724

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Kyungtae Kim <kt0755@gmail.com>
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Link: https://lore.kernel.org/r/20200612035210.20494-1-qiang.zhang@windriver.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-06-18 10:42:52 +02:00
..
sisusbvga treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile USB: Add driver to control USB fast charge for iOS devices 2020-02-12 11:01:55 -08:00
adutux.c USB: adutux: fix interface sanity check 2019-12-10 13:11:22 +01:00
apple-mfi-fastcharge.c USB: apple-mfi-fastcharge: fix endianess issue in probe 2020-02-13 05:07:10 -08:00
appledisplay.c appledisplay: fix error handling in the scheduled work 2019-11-07 11:19:23 +01:00
chaoskey.c USB: chaoskey: fix error case of a timeout 2019-11-11 14:29:39 +01:00
cypress_cy7c63.c USB: cypress_cy7c63: convert to use dev_groups 2019-08-09 07:55:44 +02:00
cytherm.c USB: cytherm: convert to use dev_groups 2019-08-09 07:55:44 +02:00
ehset.c USB: misc: Remove redundant license text 2017-11-04 11:55:38 +01:00
emi26.c USB: misc: Remove redundant license text 2017-11-04 11:55:38 +01:00
emi62.c USB: misc: Remove redundant license text 2017-11-04 11:55:38 +01:00
ezusb.c USB: misc: Remove redundant license text 2017-11-04 11:55:38 +01:00
ftdi-elan.c usb: ftdi-elan: move a couple of statements to next line 2019-10-04 14:09:42 +02:00
idmouse.c USB: idmouse: fix interface sanity checks 2019-12-10 13:11:22 +01:00
iowarrior.c USB: misc: iowarrior: add support for the 100 device 2020-02-17 10:44:43 +01:00
isight_firmware.c USB: misc: Remove redundant license text 2017-11-04 11:55:38 +01:00
ldusb.c USB: ldusb: fix control-message timeout 2019-10-28 17:46:24 +01:00
legousbtower.c USB: legousbtower: drop superfluous newlines 2019-11-07 11:17:55 +01:00
lvstest.c USB: lvstest: convert to use dev_groups 2019-08-09 07:55:44 +02:00
trancevibrator.c USB: trancevibrator: convert to use dev_groups 2019-08-09 07:55:45 +02:00
usb251xb.c usb: usb251xb: fix regulator probe and error handling 2020-03-04 10:56:26 +01:00
usb3503.c usb: usb3503: Convert to use GPIO descriptors 2019-12-30 20:40:19 +01:00
usb4604.c USB: misc: Remove redundant license text 2017-11-04 11:55:38 +01:00
usb_u132.h USB: misc: Use the correct style for SPDX License Identifier 2020-04-16 14:32:47 +02:00
usblcd.c USB: usblcd: use pr_err() 2019-10-04 11:11:08 +02:00
usbsevseg.c USB: usbsevseg: convert to use dev_groups 2019-08-09 07:55:45 +02:00
usbtest.c usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnect 2020-06-18 10:42:52 +02:00
uss720.c usb: misc: uss720: Fix two sleep-in-atomic-context bugs 2018-09-05 14:36:53 +02:00
yurex.c USB: yurex: fix NULL-derefs on disconnect 2019-10-10 14:24:06 +02:00