[alsa-devel] [PATCH 0/3] ALSA: usb-audio: fix OOB and return value check
Jaejoong Kim
climbbb.kim at gmail.com
Tue Nov 28 01:36:25 CET 2017
Hi,
This patch series fixes the out-of-bound error caused by the return value
of usb_string(). It was descovered by KASAN. The Patch 1 is the V2 about
http://www.spinics.net/lists/alsa-devel/msg69487.html
Chanes in V2:
- put an explicit error bail out(by Takashi iwai)
Patch1 was founded by connecting the following product.
http://www.lg.com/uk/lg-friends/lg-AFD-1200
I found that it only check if the return value from usb_string() is always
zero while modifying OOB KASAN message. So instead of making the
modifications to OOB to V2, I sent a patch series.
I am sorry to break the mail thread.
Thanks
jaejoong
Jaejoong Kim (3):
ALSA: usb-audio: Fix out-of-bound error
ALSA: usb-audio: Fix return value check for usb_string()
ALSA: usb-audio: Add check return value for usb_string()
sound/usb/mixer.c | 41 ++++++++++++++++++++++++-----------------
1 file changed, 24 insertions(+), 17 deletions(-)
--
2.7.4
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