ffmpeg | branch: release/2.5 | Andreas Cadhalpun <andreas.cadhal...@googlemail.com> | Tue Jan 20 18:46:01 2015 +0100| [a45b8af839fd44e52b77a2436a465939969a6d11] | committer: Michael Niedermayer
libavcodec/ppc/mpegvideoencdsp.c: fix stack smashing in pix_norm1_altivec() and pix_sum_altivec() The vec_ste calls were mistakenly changed to vec_vsx_st in c5ca76a, which caused stack smashing. Changing them back fixes crashes on ppc64el, when configured with --toolchain=hardened. Signed-off-by: Michael Niedermayer <michae...@gmx.at> (cherry picked from commit 840c3c05316a59c70a7470ed27aaa9c2f3ba410a) Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a45b8af839fd44e52b77a2436a465939969a6d11 --- libavcodec/ppc/mpegvideoencdsp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/ppc/mpegvideoencdsp.c b/libavcodec/ppc/mpegvideoencdsp.c index e91ba5d..3e6765c 100644 --- a/libavcodec/ppc/mpegvideoencdsp.c +++ b/libavcodec/ppc/mpegvideoencdsp.c @@ -55,7 +55,7 @@ static int pix_norm1_altivec(uint8_t *pix, int line_size) /* Sum up the four partial sums, and put the result into s. */ sum = vec_sums((vector signed int) sv, (vector signed int) zero); sum = vec_splat(sum, 3); - vec_vsx_st(sum, 0, &s); + vec_ste(sum, 0, &s); return s; } #else @@ -113,7 +113,7 @@ static int pix_sum_altivec(uint8_t *pix, int line_size) /* Sum up the four partial sums, and put the result into s. */ sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero); sumdiffs = vec_splat(sumdiffs, 3); - vec_vsx_st(sumdiffs, 0, &s); + vec_ste(sumdiffs, 0, &s); return s; } #else _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
