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xserver-xorg: Fix build with gcc12

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Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
This commit is contained in:
Andreas Müller
2022-07-10 01:20:38 +02:00
parent f50fcdcc86
commit 8fb46b4dea
2 changed files with 91 additions and 0 deletions
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90
recipes-graphics/xorg-xserver/xserver-xorg/0001-render-Fix-build-with-gcc-12.patch Normal file
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@@ -0,0 +1,90 @@
From 12041ad0610f1345d6b9994c32943fd4dd01f65d Mon Sep 17 00:00:00 2001
From: Olivier Fourdan <ofourdan@redhat.com>
Date: Thu, 20 Jan 2022 10:20:38 +0100
Subject: [PATCH] render: Fix build with gcc 12
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The xserver fails to compile with the latest gcc 12:
render/picture.c: In function ‘CreateSolidPicture’:
render/picture.c:874:26: error: array subscript ‘union _SourcePict[0]’ is partly outside array bounds of ‘unsigned char[16]’ [-Werror=array-bounds]
874 | pPicture->pSourcePict->type = SourcePictTypeSolidFill;
| ^~
render/picture.c:868:45: note: object of size 16 allocated by ‘malloc’
868 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictSolidFill));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
render/picture.c: In function ‘CreateLinearGradientPicture’:
render/picture.c:906:26: error: array subscript ‘union _SourcePict[0]’ is partly outside array bounds of ‘unsigned char[32]’ [-Werror=array-bounds]
906 | pPicture->pSourcePict->linear.type = SourcePictTypeLinear;
| ^~
render/picture.c:899:45: note: object of size 32 allocated by ‘malloc’
899 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictLinearGradient));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
render/picture.c: In function ‘CreateConicalGradientPicture’:
render/picture.c:989:26: error: array subscript ‘union _SourcePict[0]’ is partly outside array bounds of ‘unsigned char[32]’ [-Werror=array-bounds]
989 | pPicture->pSourcePict->conical.type = SourcePictTypeConical;
| ^~
render/picture.c:982:45: note: object of size 32 allocated by ‘malloc’
982 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictConicalGradient));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
ninja: build stopped: subcommand failed.
This is because gcc 12 has become stricter and raises a warning now.
Fix the warning/error by allocating enough memory to store the union
struct.
Upstream-Status: Backport [https://gitlab.freedesktop.org/xorg/xserver/-/commit/c6b0dcb82d4db07a2f32c09a8c09c85a5f57248e]
Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>
Acked-by: Michel Dänzer <mdaenzer@redhat.com>
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1256
---
render/picture.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/render/picture.c b/render/picture.c
index afa0d25..2be4b19 100644
--- a/render/picture.c
+++ b/render/picture.c
@@ -865,7 +865,7 @@ CreateSolidPicture(Picture pid, xRenderColor * color, int *error)
}
pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictSolidFill));
+ pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(SourcePict));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
free(pPicture);
@@ -896,7 +896,7 @@ CreateLinearGradientPicture(Picture pid, xPointFixed * p1, xPointFixed * p2,
}
pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictLinearGradient));
+ pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(SourcePict));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
free(pPicture);
@@ -936,7 +936,7 @@ CreateRadialGradientPicture(Picture pid, xPointFixed * inner,
}
pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictRadialGradient));
+ pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(SourcePict));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
free(pPicture);
@@ -979,7 +979,7 @@ CreateConicalGradientPicture(Picture pid, xPointFixed * center, xFixed angle,
}
pPicture->id = pid;
- pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictConicalGradient));
+ pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(SourcePict));
if (!pPicture->pSourcePict) {
*error = BadAlloc;
free(pPicture);
--
2.35.1

1
recipes-graphics/xorg-xserver/xserver-xorg_1.20.14.bb
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@@ -5,6 +5,7 @@ SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat
file://0001-test-xtest-Initialize-array-with-braces.patch \
file://sdksyms-no-build-path.patch \
file://0001-drmmode_display.c-add-missing-mi.h-include.patch \
file://0001-render-Fix-build-with-gcc-12.patch \
"
SRC_URI[sha256sum] = "54b199c9280ff8bf0f73a54a759645bd0eeeda7255d1c99310d5b7595f3ac066"