[FFmpeg-cvslog] libswscale/x86/yuv2rgb: Fix Segmentation Fault when load unaligned data

Ting Fu git at videolan.org
Wed Feb 26 12:10:58 EET 2020


ffmpeg | branch: master | Ting Fu <ting.fu at intel.com> | Wed Feb 26 10:54:29 2020 +0800| [828f7db5d9fdf9052bb4b6d1b528009fece5bb10] | committer: Carl Eugen Hoyos

libswscale/x86/yuv2rgb: Fix Segmentation Fault when load unaligned data

Fixes ticket #8532

Signed-off-by: Ting Fu <ting.fu at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=828f7db5d9fdf9052bb4b6d1b528009fece5bb10
---

 libswscale/x86/yuv_2_rgb.asm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libswscale/x86/yuv_2_rgb.asm b/libswscale/x86/yuv_2_rgb.asm
index e05bbb89f5..575a84d921 100644
--- a/libswscale/x86/yuv_2_rgb.asm
+++ b/libswscale/x86/yuv_2_rgb.asm
@@ -139,7 +139,7 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
     VBROADCASTSD vr_coff,  [pointer_c_ditherq + 4  * 8]
 %endif
 %endif
-    mova m_y, [py_2indexq + 2 * indexq]
+    movu m_y, [py_2indexq + 2 * indexq]
     movh m_u, [pu_indexq  +     indexq]
     movh m_v, [pv_indexq  +     indexq]
 .loop0:
@@ -347,7 +347,7 @@ cglobal %1_420_%2%3, GPR_num, GPR_num, reg_num, parameters
 %endif ; PACK RGB15/16
 %endif ; PACK RGB15/16/32
 
-mova m_y, [py_2indexq + 2 * indexq + 8 * time_num]
+movu m_y, [py_2indexq + 2 * indexq + 8 * time_num]
 movh m_v, [pv_indexq  +     indexq + 4 * time_num]
 movh m_u, [pu_indexq  +     indexq + 4 * time_num]
 add imageq, 8 * depth * time_num



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