From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 08/10] avformat/wavdec: satuarte next_tag_ofs, data_end
Date: Tue, 26 Mar 2024 01:11:49 +0100
Message-ID: <20240326001151.12083-8-michael@niedermayer.cc> (raw)
In-Reply-To: <20240326001151.12083-1-michael@niedermayer.cc>
Fixes: signed integer overflow: 5053074104798691550 + 5053074104259715104 cannot be represented in type 'long'
Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-6515315309936640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavformat/wavdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index 89855670d9c..0fed1ee6398 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -453,7 +453,7 @@ static int wav_read_header(AVFormatContext *s)
}
if (rf64 || bw64) {
- next_tag_ofs = wav->data_end = avio_tell(pb) + data_size;
+ next_tag_ofs = wav->data_end = av_sat_add64(avio_tell(pb), data_size);
} else if (size != 0xFFFFFFFF) {
data_size = size;
next_tag_ofs = wav->data_end = size ? next_tag_ofs : INT64_MAX;
--
2.17.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next prev parent reply other threads:[~2024-03-26 0:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-26 0:11 [FFmpeg-devel] [PATCH 01/10] avformat/concatdec: Check user_duration sum Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 02/10] avformat/jacosubdec: Use 64bit for abs Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 03/10] avformat/mov: use 64bit for intermediate for rounding Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 04/10] avformat/timecode: use 64bit for intermediate for rounding in fps_from_frame_rate() Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 05/10] avformat/rpl: Use 64bit for total_audio_size and check it Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 06/10] avformat/sbgdec: Check for negative duration Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 07/10] avformat/wavdec: sanity check channels and bps before using them for block_align Michael Niedermayer
2024-03-27 9:42 ` Anton Khirnov
2024-03-27 20:56 ` Michael Niedermayer
2024-03-26 0:11 ` Michael Niedermayer [this message]
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 09/10] avformat/matroskadec: Check timescale Michael Niedermayer
2024-03-26 0:11 ` [FFmpeg-devel] [PATCH 10/10] avformat/westwood_vqa: Fix 2g packets Michael Niedermayer
2024-03-26 19:19 ` [FFmpeg-devel] [PATCH 01/10] avformat/concatdec: Check user_duration sum Michael Niedermayer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240326001151.12083-8-michael@niedermayer.cc \
--to=michael@niedermayer.cc \
--cc=ffmpeg-devel@ffmpeg.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git