mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-03-17 20:17:55 +02:00
avformat/utils: Check rfps_duration_sum for overflow
Fixes: signed integer overflow: 9151595917793558550 + 297519050751678697 cannot be represented in type 'long' Fixes: 15496/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5722866475073536 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 5c46fdf305caac8bf2f270e69e60ae3d614df468) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
12dfbefda2
commit
774d23af2f
@ -3282,8 +3282,10 @@ int ff_rfps_add_frame(AVFormatContext *ic, AVStream *st, int64_t ts)
|
||||
}
|
||||
}
|
||||
}
|
||||
st->info->duration_count++;
|
||||
st->info->rfps_duration_sum += duration;
|
||||
if (st->info->rfps_duration_sum <= INT64_MAX - duration) {
|
||||
st->info->duration_count++;
|
||||
st->info->rfps_duration_sum += duration;
|
||||
}
|
||||
|
||||
if (st->info->duration_count % 10 == 0) {
|
||||
int n = st->info->duration_count;
|
||||
|
Loading…
x
Reference in New Issue
Block a user