ffmpeg | branch: release/2.8 | Paul B Mahol <[email protected]> | Sat Oct 19 11:56:02 2019 +0200| [93ad1e4a9f17ac5145c2957bb270a454c8a0cefd] | committer: Michael Niedermayer
avfilter/vf_fieldmatch: fix heap-buffer overflow Also fix use of uninitialized values. Fixes #8239 (cherry picked from commit ce5274c1385d55892a692998923802023526b765) Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=93ad1e4a9f17ac5145c2957bb270a454c8a0cefd --- libavfilter/vf_fieldmatch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_fieldmatch.c b/libavfilter/vf_fieldmatch.c index c01af6681c..1196b95e92 100644 --- a/libavfilter/vf_fieldmatch.c +++ b/libavfilter/vf_fieldmatch.c @@ -882,7 +882,7 @@ static int config_input(AVFilterLink *inlink) fm->tpitchy = FFALIGN(w, 16); fm->tpitchuv = FFALIGN(w >> 1, 16); - fm->tbuffer = av_malloc(h/2 * fm->tpitchy); + fm->tbuffer = av_calloc((h/2 + 4) * fm->tpitchy, sizeof(*fm->tbuffer)); fm->c_array = av_malloc((((w + fm->blockx/2)/fm->blockx)+1) * (((h + fm->blocky/2)/fm->blocky)+1) * 4 * sizeof(*fm->c_array)); _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
