From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 1/6] avformat/mov: Check that is_still_picture_avif has no trak based streams
Date: Sun, 22 Oct 2023 02:35:15 +0200
Message-ID: <20231022003520.17154-1-michael@niedermayer.cc> (raw)
Fixes: Assertion failure in mov_read_iloc( in mov_read_iloc())
Fixes: 62866/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5282997370486784
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavformat/mov.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 2f29487beb8..e8efccf6ebf 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4628,6 +4628,10 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
MOVStreamContext *sc;
int ret;
+ if (c->is_still_picture_avif) {
+ return AVERROR_INVALIDDATA;
+ }
+
st = avformat_new_stream(c->fc, NULL);
if (!st) return AVERROR(ENOMEM);
st->id = -1;
--
2.17.1
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next reply other threads:[~2023-10-22 0:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-22 0:35 Michael Niedermayer [this message]
2023-10-22 0:35 ` [FFmpeg-devel] [PATCH 2/6] avcodec/cbs: Do not assert on traces beyond 255 bits Michael Niedermayer
2023-10-22 14:34 ` Mark Thompson
2023-10-23 20:53 ` Michael Niedermayer
2023-10-23 21:36 ` Mark Thompson
2023-10-22 0:35 ` [FFmpeg-devel] [PATCH 3/6] avcodec/apedec: Fix integer overflow in predictor_decode_stereo_3950() Michael Niedermayer
2023-10-22 0:35 ` [FFmpeg-devel] [PATCH 4/6] avcodec/dovi_rpu: Use 64 bit in get_us/se_coeff() Michael Niedermayer
2023-10-22 0:35 ` [FFmpeg-devel] [PATCH 5/6] avutil/tx_template: fix integer ovberflwo in fft3() Michael Niedermayer
2023-10-22 1:55 ` Lynne
2023-10-23 20:44 ` Michael Niedermayer
2023-10-22 0:35 ` [FFmpeg-devel] [PATCH 6/6] tools/target_dec_fuzzer: Adjust threshold for CSCD Michael Niedermayer
2023-10-31 22:13 ` [FFmpeg-devel] [PATCH 1/6] avformat/mov: Check that is_still_picture_avif has no trak based streams Michael Niedermayer
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