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authorMichael Niedermayer <michael@niedermayer.cc>2021-01-17 22:57:28 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2021-10-09 22:02:20 +0200
commit7ec328d53ce65cdc3d35f27a2ebb4b3e3c277e09 (patch)
treedf41843ace30197ee9f4977c5541dd31e828b6d2
parenta4fc719fc53f822d7e0a9067477ced08d279f5c8 (diff)
downloadffmpeg-7ec328d53ce65cdc3d35f27a2ebb4b3e3c277e09.tar.gz
avformat/tta: Use 64bit intermediate for index
Fixes: signed integer overflow: 42032 * 51092 cannot be represented in type 'int' Fixes: 26910/clusterfuzz-testcase-minimized-ffmpeg_dem_TTA_fuzzer-6679539648430080 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit fd61b42b4c8709a7888fa5c9cce0c19d754e39fc) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavformat/tta.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/tta.c b/libavformat/tta.c
index 1447effcd8..24f7808057 100644
--- a/libavformat/tta.c
+++ b/libavformat/tta.c
@@ -119,7 +119,7 @@ static int tta_read_header(AVFormatContext *s)
for (i = 0; i < c->totalframes; i++) {
uint32_t size = avio_rl32(s->pb);
int r;
- if ((r = av_add_index_entry(st, framepos, i * c->frame_size, size, 0,
+ if ((r = av_add_index_entry(st, framepos, i * (int64_t)c->frame_size, size, 0,
AVINDEX_KEYFRAME)) < 0)
return r;
framepos += size;