ffmpeg | branch: master | Leo Izen <leo.i...@gmail.com> | Fri Jul 12 15:03:17 2024 -0400| [90e28331c7887b83d7c508bea71735ae12dad177] | committer: Leo Izen
avcodec/png: more informative error message for invalid sBIT size If the sBIT chunk size is invalid, we should print a more informative error message rather than return an error and print nothing. Signed-off-by: Leo Izen <leo.i...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=90e28331c7887b83d7c508bea71735ae12dad177 --- libavcodec/pngdec.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index b0d02c97dd..cb861e5f60 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -1086,8 +1086,11 @@ static int decode_sbit_chunk(AVCodecContext *avctx, PNGDecContext *s, channels = s->color_type & PNG_COLOR_MASK_PALETTE ? 3 : ff_png_get_nb_channels(s->color_type); - if (bytestream2_get_bytes_left(gb) != channels) + if (bytestream2_get_bytes_left(gb) != channels) { + av_log(avctx, AV_LOG_ERROR, "Invalid sBIT size: %d, expected: %d\n", + bytestream2_get_bytes_left(gb), channels); return AVERROR_INVALIDDATA; + } for (int i = 0; i < channels; i++) { int b = bytestream2_get_byteu(gb); _______________________________________________ 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".
