virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avfilter/af_pan: check nb_output_channels before use

Browse Source 
Fixes: CID1500281 Out-of-bounds write
Fixes: CID1500331 Out-of-bounds write

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5fe8bf4aa5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-06-10 23:41:07 +02:00
parent f4882ef9e5
commit 6b1f715f83
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libavfilter/af_pan.c
View File

@ -126,6 +126,14 @@ static av_cold int init(AVFilterContext *ctx)
if (ret < 0)
goto fail;
if (pan->nb_output_channels > MAX_CHANNELS) {
av_log(ctx, AV_LOG_ERROR,
"af_pan supports a maximum of %d channels. "
"Feel free to ask for a higher limit.\n", MAX_CHANNELS);
ret = AVERROR_PATCHWELCOME;
goto fail;
}
/* parse channel specifications */
while ((arg = arg0 = av_strtok(NULL, "|", &tokenizer))) {
int used_in_ch[MAX_CHANNELS] = {0};