ffmpeg | branch: release/2.5 | Michael Niedermayer <michae...@gmx.at> | Fri Feb 
27 03:12:23 2015 +0100| [61147f58ab6a212fdc1a1e1da68778f8640356a4] | committer: 
Michael Niedermayer

swscale/utils: clear formatConvBuffer on allocation

Fixes use of uninitialized memory
Fixes: asan_heap-oob_35ca682_1474_cov_3230122439_aletrek_tga_16bit.mov

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
(cherry picked from commit 007498fc1a639ecee2cda1892cbcff66c7c8c951)

Signed-off-by: Michael Niedermayer <michae...@gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=61147f58ab6a212fdc1a1e1da68778f8640356a4
---

 libswscale/utils.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libswscale/utils.c b/libswscale/utils.c
index 1fc9fc4..fd8e72a 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -1177,7 +1177,7 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter 
*srcFilter,
     c->chrDstW = FF_CEIL_RSHIFT(dstW, c->chrDstHSubSample);
     c->chrDstH = FF_CEIL_RSHIFT(dstH, c->chrDstVSubSample);
 
-    FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, fail);
+    FF_ALLOCZ_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW*2+78, 16) * 2, 
fail);
 
     c->srcBpc = 1 + desc_src->comp[0].depth_minus1;
     if (c->srcBpc < 8)

_______________________________________________
ffmpeg-cvslog mailing list
ffmpeg-cvslog@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog

Reply via email to