diff options
author | Caolán McNamara <caolan.mcnamara@collabora.com> | 2024-10-06 16:24:16 +0100 |
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committer | Caolán McNamara <caolan.mcnamara@collabora.com> | 2024-10-06 21:58:45 +0200 |
commit | 5e1eaea2729c0e51eef6ede7d54601573cff638e (patch) | |
tree | 7d8f270e67a7ecde15c380d2aa0ec1b5309fac42 /drawinglayer/source/processor2d | |
parent | f60d768fad73494fbfd600d8c7f8a0f1c7e3e857 (diff) |
crashtesting: avoid null deref on failure of cairo_image_surface_create
seen since:
commit 1acd37a671b9d3633a7d31a0b60478815fbc685f
CommitDate: Mon Sep 23 14:12:04 2024 +0200
CairoSDPR: Activate globally to check builds/tests
Change-Id: If3068b436eb57b48b048d30538b71563f38735d1
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/174561
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Diffstat (limited to 'drawinglayer/source/processor2d')
-rw-r--r-- | drawinglayer/source/processor2d/cairopixelprocessor2d.cxx | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drawinglayer/source/processor2d/cairopixelprocessor2d.cxx b/drawinglayer/source/processor2d/cairopixelprocessor2d.cxx index 06e1459d1b4c..365d62a19fc6 100644 --- a/drawinglayer/source/processor2d/cairopixelprocessor2d.cxx +++ b/drawinglayer/source/processor2d/cairopixelprocessor2d.cxx @@ -419,6 +419,12 @@ class CairoSurfaceHelper const tools::Long nHeight(pReadAccess->Height()); const tools::Long nWidth(pReadAccess->Width()); mpCairoSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, nWidth, nHeight); + if (cairo_surface_status(mpCairoSurface) != CAIRO_STATUS_SUCCESS) + { + SAL_WARN("drawinglayer", + "cairo_image_surface_create failed for: " << nWidth << " x " << nHeight); + return; + } const sal_uInt32 nStride(cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, nWidth)); unsigned char* surfaceData(cairo_image_surface_get_data(mpCairoSurface)); @@ -450,6 +456,12 @@ class CairoSurfaceHelper const tools::Long nHeight(pReadAccess->Height()); const tools::Long nWidth(pReadAccess->Width()); mpCairoSurface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, nWidth, nHeight); + if (cairo_surface_status(mpCairoSurface) != CAIRO_STATUS_SUCCESS) + { + SAL_WARN("drawinglayer", + "cairo_image_surface_create failed for: " << nWidth << " x " << nHeight); + return; + } sal_uInt32 nStride(cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, nWidth)); unsigned char* surfaceData(cairo_image_surface_get_data(mpCairoSurface)); @@ -481,6 +493,12 @@ class CairoSurfaceHelper const tools::Long nHeight(pReadAccess->Height()); const tools::Long nWidth(pReadAccess->Width()); mpCairoSurface = cairo_image_surface_create(CAIRO_FORMAT_RGB16_565, nWidth, nHeight); + if (cairo_surface_status(mpCairoSurface) != CAIRO_STATUS_SUCCESS) + { + SAL_WARN("drawinglayer", + "cairo_image_surface_create failed for: " << nWidth << " x " << nHeight); + return; + } sal_uInt32 nStride(cairo_format_stride_for_width(CAIRO_FORMAT_RGB16_565, nWidth)); unsigned char* surfaceData(cairo_image_surface_get_data(mpCairoSurface)); |