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commit 3517bd4e532451a740493ed1e77c620159e25774 Author: Michael Niedermayer <[email protected]> AuthorDate: Mon Sep 23 20:55:17 2024 +0200 Commit: Michael Niedermayer <[email protected]> CommitDate: Sun Jun 21 17:59:33 2026 +0200 avformat/qcp: Check for read failure in header Fixes: Use of uninitialized value Fixes: 71551/clusterfuzz-testcase-minimized-ffmpeg_dem_QCP_fuzzer-4647386712965120 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit f52b9d05837c23b0c55013551bc28dce4922de0b) Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/qcp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/qcp.c b/libavformat/qcp.c index 4478875f2d..59add79070 100644 --- a/libavformat/qcp.c +++ b/libavformat/qcp.c @@ -105,7 +105,8 @@ static int qcp_read_header(AVFormatContext *s) st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; st->codecpar->channels = 1; st->codecpar->channel_layout = AV_CH_LAYOUT_MONO; - avio_read(pb, buf, 16); + if (avio_read(pb, buf, 16) != 16) + return AVERROR_INVALIDDATA; if (is_qcelp_13k_guid(buf)) { st->codecpar->codec_id = AV_CODEC_ID_QCELP; } else if (!memcmp(buf, guid_evrc, 16)) { _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
