Module: libav Branch: master Commit: 0ca4414d0f3eeb39bbad504eaaae76d40b7189cc
Author: Michael Niedermayer <[email protected]> Committer: Martin Storsjö <[email protected]> Date: Mon Apr 23 10:33:55 2012 +0300 audemux: Add a sanity check for the number of channels Fixes a division by 0. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Martin Storsjö <[email protected]> --- libavformat/au.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/libavformat/au.c b/libavformat/au.c index 3a83d28..bb9d5d5 100644 --- a/libavformat/au.c +++ b/libavformat/au.c @@ -145,6 +145,11 @@ static int au_read_header(AVFormatContext *s) return AVERROR_INVALIDDATA; } + if (channels == 0 || channels > 64) { + av_log(s, AV_LOG_ERROR, "Invalid number of channels %d\n", channels); + return AVERROR_INVALIDDATA; + } + if (size >= 24) { /* skip unused data */ avio_skip(pb, size - 24); _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
