commit:     631dcc854482ebd56ee3e642d96ea30ad1d87e82
Author:     Andreas Sturmlechner <asturm <AT> gentoo <DOT> org>
AuthorDate: Mon Jan 30 10:36:30 2023 +0000
Commit:     Andreas Sturmlechner <asturm <AT> gentoo <DOT> org>
CommitDate: Mon Jan 30 14:44:05 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=631dcc85

kde-frameworks/kimageformats: heif: reject invalid files with zero size

Upstream commit b654f20ecebc30ab73022a6b32c2fd1cef162ea6

See also: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50850

Bug: https://bugs.gentoo.org/891927
Signed-off-by: Andreas Sturmlechner <asturm <AT> gentoo.org>

 ....102.0-heif-reject-invalid-files-w-0-size.patch | 31 +++++++++++++++
 .../kimageformats/kimageformats-5.102.0-r1.ebuild  | 46 ++++++++++++++++++++++
 2 files changed, 77 insertions(+)

diff --git 
a/kde-frameworks/kimageformats/files/kimageformats-5.102.0-heif-reject-invalid-files-w-0-size.patch
 
b/kde-frameworks/kimageformats/files/kimageformats-5.102.0-heif-reject-invalid-files-w-0-size.patch
new file mode 100644
index 000000000000..809d11ce382f
--- /dev/null
+++ 
b/kde-frameworks/kimageformats/files/kimageformats-5.102.0-heif-reject-invalid-files-w-0-size.patch
@@ -0,0 +1,31 @@
+From b654f20ecebc30ab73022a6b32c2fd1cef162ea6 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Daniel=20Novomesk=C3=BD?= <[email protected]>
+Date: Sun, 29 Jan 2023 16:16:52 +0100
+Subject: [PATCH] heif: reject invalid files with zero size
+
+---
+ src/imageformats/heif.cpp | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/src/imageformats/heif.cpp b/src/imageformats/heif.cpp
+index 3365d92..c938c0d 100644
+--- a/src/imageformats/heif.cpp
++++ b/src/imageformats/heif.cpp
+@@ -449,6 +449,14 @@ bool HEIFHandler::ensureDecoder()
+         return false;
+     }
+ 
++    if ((heif_image_handle_get_width(handle) == 0) || 
(heif_image_handle_get_height(handle) == 0)) {
++        m_parseState = ParseHeicError;
++        heif_image_handle_release(handle);
++        heif_context_free(ctx);
++        qWarning() << "HEIC image has zero dimension";
++        return false;
++    }
++
+     const bool hasAlphaChannel = heif_image_handle_has_alpha_channel(handle);
+     const int bit_depth = heif_image_handle_get_luma_bits_per_pixel(handle);
+     heif_chroma chroma;
+-- 
+GitLab
+

diff --git a/kde-frameworks/kimageformats/kimageformats-5.102.0-r1.ebuild 
b/kde-frameworks/kimageformats/kimageformats-5.102.0-r1.ebuild
new file mode 100644
index 000000000000..fef1628f46c6
--- /dev/null
+++ b/kde-frameworks/kimageformats/kimageformats-5.102.0-r1.ebuild
@@ -0,0 +1,46 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+ECM_QTHELP="false"
+PVCUT=$(ver_cut 1-2)
+QTMIN=5.15.5
+VIRTUALX_REQUIRED="test"
+inherit ecm frameworks.kde.org
+
+DESCRIPTION="Framework providing additional format plugins for Qt's image I/O 
system"
+
+LICENSE="LGPL-2+"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86"
+IUSE="avif eps heif jpegxl openexr raw"
+
+RDEPEND="
+       >=dev-qt/qtgui-${QTMIN}:5
+       =kde-frameworks/karchive-${PVCUT}*:5
+       avif? ( >=media-libs/libavif-0.8.2:= )
+       eps? ( >=dev-qt/qtprintsupport-${QTMIN}:5 )
+       heif? ( >=media-libs/libheif-1.10.0:= )
+       jpegxl? ( media-libs/libjxl )
+       openexr? ( >=media-libs/openexr-3:= )
+       raw? ( media-libs/libraw:= )
+"
+DEPEND="${RDEPEND}
+       test? ( heif? ( media-libs/libheif[x265] ) )
+"
+
+DOCS=( src/imageformats/AUTHORS )
+
+PATCHES=( "${FILESDIR}/${P}-heif-reject-invalid-files-w-0-size.patch" )
+
+src_configure() {
+       local mycmakeargs=(
+               -DKIMAGEFORMATS_JXL=$(usex jpegxl)
+               $(cmake_use_find_package avif libavif)
+               $(cmake_use_find_package eps Qt5PrintSupport)
+               -DKIMAGEFORMATS_HEIF=$(usex heif)
+               $(cmake_use_find_package openexr OpenEXR)
+               $(cmake_use_find_package raw LibRaw)
+       )
+       ecm_src_configure
+}

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