ffmpeg | branch: release/3.3 | Michael Niedermayer <mich...@niedermayer.cc> | Mon Jun 5 20:39:21 2017 +0200| [ec5e262e1d7294484e58499b758f0e29f0959915] | committer: Michael Niedermayer
avcodec/tiff: Avoid loosing allocated geotag values Fixes memleak Fixes: 2076/clusterfuzz-testcase-minimized-6542640243802112 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit d7cbeab4c1381f95ed0ebf85d7950bee96f66164) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ec5e262e1d7294484e58499b758f0e29f0959915 --- libavcodec/tiff.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 9b9d37bb83..81bf7ae54d 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -1137,6 +1137,8 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame) bytestream2_seek(&s->gb, pos + s->geotags[i].offset, SEEK_SET); if (bytestream2_get_bytes_left(&s->gb) < s->geotags[i].count) return AVERROR_INVALIDDATA; + if (s->geotags[i].val) + return AVERROR_INVALIDDATA; ap = av_malloc(s->geotags[i].count); if (!ap) { av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n"); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
