ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | Tue Feb 8 11:44:13 2022 +0100| [31da97b08325a338db7931428ba0625d4e61f168] | committer: Andreas Rheinhardt
avcodec/vc2enc_dwt: Avoid NULL - 0 It is sane, but UB. It could happen in case of allocation errors in vc2_encode_init(). Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=31da97b08325a338db7931428ba0625d4e61f168 --- libavcodec/vc2enc_dwt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/vc2enc_dwt.c b/libavcodec/vc2enc_dwt.c index a8d3f1c669..441af040ec 100644 --- a/libavcodec/vc2enc_dwt.c +++ b/libavcodec/vc2enc_dwt.c @@ -276,6 +276,8 @@ av_cold int ff_vc2enc_init_transforms(VC2TransformContext *s, int p_stride, av_cold void ff_vc2enc_free_transforms(VC2TransformContext *s) { - av_free(s->buffer - s->padding); - s->buffer = NULL; + if (s->buffer) { + av_free(s->buffer - s->padding); + s->buffer = NULL; + } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
