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avcodec/tiff: Fix leak of geotags[].val 

Fixes: 2176/clusterfuzz-testcase-minimized-5908197216878592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-06-11 01:05:26 +02:00
parent 1197c04896
commit 22a25ab389
1 changed files with 2 additions and 0 deletions
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2
libavcodec/tiff.c
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@ -1114,6 +1114,8 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
if (s->geotags[i].count == 0
|| s->geotags[i].offset + s->geotags[i].count > count) {
av_log(s->avctx, AV_LOG_WARNING, "Invalid GeoTIFF key %d\n", s->geotags[i].key);
} else if (s->geotags[i].val) {
av_log(s->avctx, AV_LOG_WARNING, "Duplicate GeoTIFF key %d\n", s->geotags[i].key);
} else {
char *ap = doubles2str(&dp[s->geotags[i].offset], s->geotags[i].count, ", ");
if (!ap) {