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libavformat/takdec.c: Fix msan error

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Make sure we are reading 16 bytes for the MD5

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Thierry Foucu
2025-04-07 11:10:31 -07:00
committed by James Almer
parent df824211c2
commit 1d244c641b
1 changed files with 2 additions and 1 deletions
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3
libavformat/takdec.c
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@ -116,7 +116,8 @@ static int tak_read_header(AVFormatContext *s)
if (size != 19) if (size != 19)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
ffio_init_checksum(pb, tak_check_crc, 0xCE04B7U); ffio_init_checksum(pb, tak_check_crc, 0xCE04B7U);
avio_read(pb, md5, 16); if (avio_read(pb, md5, 16) != 16)
return AVERROR(EIO);
if (ffio_get_checksum(s->pb) != avio_rb24(pb)) { if (ffio_get_checksum(s->pb) != avio_rb24(pb)) {
av_log(s, AV_LOG_ERROR, "MD5 metadata block CRC error.\n"); av_log(s, AV_LOG_ERROR, "MD5 metadata block CRC error.\n");
if (s->error_recognition & AV_EF_EXPLODE) if (s->error_recognition & AV_EF_EXPLODE)