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HID: hid-picolcd_fb: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 07:37:19 +0000 (08:37 +0100)
committerJiri Kosina <jkosina@suse.cz>
Wed, 11 Mar 2020 10:58:58 +0000 (11:58 +0100)
commit7f376e4b79c930e59f4e7901ef88c94085254c81
treea6cde51f41f83ff951b7e0a4b616a97452c7305btree | snapshot
parent7c839f9fdf823b2f89a2c926839efa9e44e91ab1commit | diff
HID: hid-picolcd_fb: Use scnprintf() for avoiding potential buffer overflow

Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit.  Fix it by replacing with scnprintf().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-picolcd_fb.c diff | blob | history
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