Anton Khirnov:
> Quoting Andreas Rheinhardt (2024-06-10 15:24:49)
>> Currently it may return an uninitialized value.
>> Introduced in 840f2bc18eddd72fa886aec30efc82991b920c45.
>> Fixes Coverity issue #1603565.
>>
>> Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
>> ---
>> fftools/ffmpeg_mux_init.c | 9 ++++++---
>> 1 file changed, 6 insertions(+), 3 deletions(-)
>>
>> diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
>> index b1cb6cf7bd..1953655135 100644
>> --- a/fftools/ffmpeg_mux_init.c
>> +++ b/fftools/ffmpeg_mux_init.c
>> @@ -3022,10 +3022,13 @@ static int parse_forced_key_frames(void *log,
>> KeyframeForceCtx *kf,
>> unsigned int nb_ch = mux->fc->nb_chapters;
>> int j;
>>
>> - if (nb_ch > INT_MAX - size ||
>> - !(pts = av_realloc_f(pts, size += nb_ch - 1,
>> - sizeof(*pts))))
>> + if (nb_ch > INT_MAX - size) {
>> + ret = AVERROR(ERANGE);
>> goto fail;
>> + }
>> + pts = av_realloc_f(pts, size += nb_ch - 1, sizeof(*pts));
>> + if (!pts)
>> + return AVERROR(ENOMEM);
>
> Looks good.
>
> Would look even better with the size increment outside of the
> av_realloc_f() call.
>
Apply with that change.
- Andreas
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