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Alan Coopersmith 7af077dd2f render: avoid NULL pointer dereference if PictureFindVisual returns NULL 
Found by Oracle Parfait 13.3:
   Null pointer dereference [null-pointer-deref]:
      Read from null pointer pVisual
        at line 257 of dix/colormap.c in function 'CreateColormap'.
          Null pointer introduced at line 412 of render/picture.c in
	   function 'PictureFindVisual'.
          Constant 'NULL' passed into function CreateColormap, argument
	   pVisual, from call at line 431 in function
	   'PictureInitIndexedFormat'.
          Function PictureFindVisual may return constant 'NULL' at
	   line 412, called at line 429.

Fixes: d4a101d4e ("Integration of DAMAGE-XFIXES branch to trunk")
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1730>
 		2024-10-28 05:38:25 +00:00
..
animcur.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
filter.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
glyph.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
glyphstr.h render: move private definitions out of public glyphstr.h 2024-03-03 22:54:16 +00:00
glyphstr_priv.h render: fix refcounting of glyphs during ProcRenderAddGlyphs 2024-04-02 19:19:40 -07:00
matrix.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
meson.build meson: hide C API if Xorg is disabled (like autotools) 2021-03-11 00:22:36 +00:00
miindex.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
mipict.c dix: unexport Ones() 2024-10-26 16:35:57 +00:00
mipict.h render: Hide/unexport some implementation details 2015-07-08 16:40:57 -04:00
mirect.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
mitrap.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
mitri.c drop obsolete HAVE_DIX_CONFIG_H 2024-10-10 13:38:31 +00:00
picture.c render: avoid NULL pointer dereference if PictureFindVisual returns NULL 2024-10-28 05:38:25 +00:00
picture.h glamor: fix CbCr format handling 2022-12-01 08:41:57 +00:00
picturestr.h render: move private definitions out of public glyphstr.h 2024-03-03 22:54:16 +00:00
picturestr_priv.h render: move private definitions out of picturestr.h 2024-03-03 22:54:16 +00:00
render.c dix: unexport Ones() 2024-10-26 16:35:57 +00:00