On Wed, Dec 25, 2024 at 05:26:57AM +0100, Michael Niedermayer wrote: > Fixes: use-of-uninitialized-value > Fixes: > 383170476/clusterfuzz-testcase-minimized-ffmpeg_dem_MLV_fuzzer-4696002884337664 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/mlvdec.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/libavformat/mlvdec.c b/libavformat/mlvdec.c > index 1a6d38f37cb..985365326e8 100644 > --- a/libavformat/mlvdec.c > +++ b/libavformat/mlvdec.c > @@ -82,13 +82,15 @@ static int check_file_header(AVIOContext *pb, uint64_t > guid) > static void read_string(AVFormatContext *avctx, AVIOContext *pb, const char > *tag, unsigned size) > { > char * value = av_malloc(size + 1); > + int ret; > + > if (!value) { > avio_skip(pb, size); > return; > } > > - avio_read(pb, value, size); > - if (!value[0]) { > + ret = avio_read(pb, value, size); > + if (ret != size || !value[0]) { > av_free(value); > return; > }
please apply -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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