From patchwork Wed Apr 20 14:07:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Steve Sakoman X-Patchwork-Id: 14199 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org From: "Steve Sakoman" Subject: [OE-core][kirkstone 06/27] xserver-xorg: Fix build with gcc12 Date: Wed, 20 Apr 2022 04:07:54 -1000 Message-Id: In-Reply-To: References: MIME-Version: 1.0 List-id: To: openembedded-core@lists.openembedded.org From: Khem Raj backport patch to silence new array-bounds warnings Signed-off-by: Khem Raj Signed-off-by: Alexandre Belloni Signed-off-by: Richard Purdie (cherry picked from commit 54fa74e6e60472e10f1a11b3daa8ee9f00f0c9d5) Signed-off-by: Steve Sakoman --- .../0001-render-Fix-build-with-gcc-12.patch | 90 +++++++++++++++++++ .../xorg-xserver/xserver-xorg_21.1.3.bb | 1 + 2 files changed, 91 insertions(+) create mode 100644 meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-render-Fix-build-with-gcc-12.patch diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-render-Fix-build-with-gcc-12.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-render-Fix-build-with-gcc-12.patch new file mode 100644 index 0000000000..df9332fae7 --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/0001-render-Fix-build-with-gcc-12.patch @@ -0,0 +1,90 @@ +From 12041ad0610f1345d6b9994c32943fd4dd01f65d Mon Sep 17 00:00:00 2001 +From: Olivier Fourdan +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 +Acked-by: Michel Dänzer +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 + diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.3.bb b/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.3.bb index 3e076ecca7..1f53ab5177 100644 --- a/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.3.bb +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.3.bb @@ -2,6 +2,7 @@ require xserver-xorg.inc SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.patch \ file://0001-Avoid-duplicate-definitions-of-IOPortBase.patch \ + file://0001-render-Fix-build-with-gcc-12.patch \ " SRC_URI[sha256sum] = "61d6aad5b6b47a116b960bd7f0cba4ee7e6da95d6bb0b127bde75d7d1acdebe5"