virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

diracdec: clear slice_params_num_buf on allocation failure

Browse Source 
Otherwise it can be non-zero next time decode_lowdelay is called, causing
slice_params_buf not to be allocated, leading to a NULL pointer dereference.

The problem was introduced in commit
dcad4677d6.

Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun
2016-11-04 19:00:01 +01:00
parent 8a4ea96448
commit 24d20496d2
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
libavcodec/diracdec.c
View File

@@ -910,6 +910,7 @@ static int decode_lowdelay(DiracContext *s)
s->slice_params_buf = av_realloc_f(s->slice_params_buf, s->num_x * s->num_y, sizeof(DiracSlice));
if (!s->slice_params_buf) {
av_log(s->avctx, AV_LOG_ERROR, "slice params buffer allocation failure\n");
s->slice_params_num_buf = 0;
return AVERROR(ENOMEM);
}
s->slice_params_num_buf = s->num_x * s->num_y;