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avformat/mov: add an EOF check in IPRP

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Fixes: Timeout
Fixes: 69230/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6540512101203968

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-06-22 00:34:28 +02:00
parent 55af81b5a4
commit 586f6fda1d
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1 changed files with 5 additions and 0 deletions
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5
libavformat/mov.c
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@ -8938,6 +8938,11 @@ static int mov_read_iprp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
int item_id = version ? avio_rb32(pb) : avio_rb16(pb);
int assoc_count = avio_r8(pb);
if (avio_feof(pb)) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
for (int j = 0; j < assoc_count; j++) {
MOVAtoms *ref;
int index = avio_r8(pb) & 0x7f;