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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-13 02:31:59 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-15 17:23:55 +0100 |
| commit | 6d5fca34a629daaa1941942130961ffa08bf56a1 (patch) | |
| tree | a7079be7a9df1696491d32165729f1f63a61181f | |
| parent | fbfef00e688357494a5228897a6a865fded05b32 (diff) | |
| download | ffmpeg-6d5fca34a629daaa1941942130961ffa08bf56a1.tar.gz | |
avformat/aviobuf: Fix end check in put_str16()
Fixes out of array read
Fixes: 03c406ec9530e594a074ce2979f8a1f0/asan_heap-oob_7dec26_4664_37c52495b2870a2eaac65f53958e76c1.flac
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 115fb6d03ef6310732b42258d8c3cd1839cfb74b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/aviobuf.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index db066f8707..3cb8c820f0 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -359,6 +359,8 @@ static inline int put_str16(AVIOContext *s, const char *str, const int be) invalid: av_log(s, AV_LOG_ERROR, "Invaid UTF8 sequence in avio_put_str16%s\n", be ? "be" : "le"); err = AVERROR(EINVAL); + if (!*(q-1)) + break; } if (be) avio_wb16(s, 0); |