RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avformat/mov: Fix memleak in dref reading 

Fixes: leak in mov_read_dref()
Fixes: 26698/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5638785444085760
Fixes: 27554/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6256643054239744

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 2020-10-30 21:44:12 +01:00
parent 3c922681c3
commit 3b8a263c4f
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavformat/mov.c
View File

@ -588,6 +588,11 @@ static int mov_read_dref(MOVContext *c, AVIOContext *pb, MOVAtom atom)
entries >= UINT_MAX / sizeof(*sc->drefs))
return AVERROR_INVALIDDATA;
for (i = 0; i < sc->drefs_count; i++) {
MOVDref *dref = &sc->drefs[i];
av_freep(&dref->path);
av_freep(&dref->dir);
}
av_free(sc->drefs);
sc->drefs_count = 0;
sc->drefs = av_mallocz(entries * sizeof(*sc->drefs));