generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avformat/mxg: Use memmove()

Browse Source 
Fixes undefined behavior
Fixes: 1700002963a49da13542e0726b7bb758/unknown_unknown_292_658_cov_2141972066_m1.mxg

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c7c207aecde0773afc974ce4b7e25dca659bc5b5)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-09-01 22:45:07 +02:00
parent 19a29c92db
commit 13aaefb70e
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/mxg.c
View File

@ -182,7 +182,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (mxg->soi_ptr - mxg->buffer > mxg->cache_size) { if (mxg->soi_ptr - mxg->buffer > mxg->cache_size) {
if (mxg->cache_size > 0) { if (mxg->cache_size > 0) {
memcpy(mxg->buffer, mxg->buffer_ptr, mxg->cache_size); memmove(mxg->buffer, mxg->buffer_ptr, mxg->cache_size);
} }
mxg->buffer_ptr = mxg->buffer; mxg->buffer_ptr = mxg->buffer;