videolan/ffmpeg
1
Fork 0
mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-08-22 09:15:06 +02:00
Code Releases Activity

bmv: fix apparent sign error in the frame_off check

Browse Source 
Fixes part of Ticket1373

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-02 04:06:16 +02:00
parent 679c578cb8
commit debbcfae60
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/bmv.c
View File

@ -143,7 +143,7 @@ static int decode_bmv_frame(const uint8_t *source, int src_len, uint8_t *frame,
switch (mode) {
case 1:
if (forward) {
if (dst - frame + SCREEN_WIDE < frame_off ||
if (dst - frame + SCREEN_WIDE < -frame_off ||
frame_end - dst < frame_off + len)
return -1;
for (i = 0; i < len; i++)
@ -151,7 +151,7 @@ static int decode_bmv_frame(const uint8_t *source, int src_len, uint8_t *frame,
dst += len;
} else {
dst -= len;
if (dst - frame + SCREEN_WIDE < frame_off ||
if (dst - frame + SCREEN_WIDE < -frame_off ||
frame_end - dst < frame_off + len)
return -1;
for (i = len - 1; i >= 0; i--)