]> git.baikalelectronics.ru Git - kernel.git/commit
video: uvesafb: Use scnprintf() for avoiding potential buffer overflow
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2020 09:32:30 +0000 (10:32 +0100)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Fri, 20 Mar 2020 13:29:06 +0000 (14:29 +0100)
commitd5a7694e9f9fe094e869a3a89ba8d7531346c58e
treee162424fbc35658a9f35d6db9838873ef4b339bc
parent6d939ca8f3ed943bed00f1ee45ef40ff216285a3
video: uvesafb: 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: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311093230.24900-4-tiwai@suse.de
drivers/video/fbdev/uvesafb.c