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authorLaurent Aimar <fenrir@videolan.org>2011-09-07 22:17:39 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-09-21 17:57:33 +0200
commit558cf502acdb1743921a212804199d650deaeaeb (patch)
tree4d74828b810315cfb6878a3f3608f3e3fd2b0114
parentb0da6a744a4a3d089d9b5ea547e03336a1fe5f2c (diff)
downloadffmpeg-558cf502acdb1743921a212804199d650deaeaeb.tar.gz
Fixed invalid writes in wavpack decoder on corrupted bitstreams.
Signed-off-by: Martin Storsjö <martin@martin.st> (cherry picked from commit 0aedab03405849962b469277afe047aa2c61a87f)
-rw-r--r--libavcodec/wavpack.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 61a75fd765..1e6d857849 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -1141,7 +1141,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
int16_t *dst = (int16_t*)samples + 1;
int16_t *src = (int16_t*)samples;
int cnt = samplecount;
- while(cnt--){
+ while(cnt-- > 0){
*dst = *src;
src += channel_stride;
dst += channel_stride;
@@ -1150,7 +1150,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
int32_t *dst = (int32_t*)samples + 1;
int32_t *src = (int32_t*)samples;
int cnt = samplecount;
- while(cnt--){
+ while(cnt-- > 0){
*dst = *src;
src += channel_stride;
dst += channel_stride;
@@ -1159,7 +1159,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no,
float *dst = (float*)samples + 1;
float *src = (float*)samples;
int cnt = samplecount;
- while(cnt--){
+ while(cnt-- > 0){
*dst = *src;
src += channel_stride;
dst += channel_stride;