[webkit-changes] [WebKit/WebKit] c46b14: [GTK] Crash in GraphicsContextGLGBM::allocateDrawB...

[Carlos Garcia Campos]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c46b14b21386bb3975ae285adcdf1aa1f60abbbf
      https://github.com/WebKit/WebKit/commit/c46b14b21386bb3975ae285adcdf1aa1f60abbbf
  Author: Carlos Garcia Campos <cgarcia at igalia.com>
  Date:   2023-08-18 (Fri, 18 Aug 2023)

  Changed paths:
    M Source/WebCore/platform/graphics/gbm/GBMBufferSwapchain.cpp

  Log Message:
  -----------
  [GTK] Crash in GraphicsContextGLGBM::allocateDrawBufferObject
https://bugs.webkit.org/show_bug.cgi?id=258831

Reviewed by Michael Catanzaro.

It seems gbm_bo_create() is failing and we use its returned value
without checking it's valid. I don't know why it fails because I can't
reproduce it, so I'm adding an error message and handling the null value
for now.

* Source/WebCore/platform/graphics/gbm/GBMBufferSwapchain.cpp:
(WebCore::GBMBufferSwapchain::getBuffer):

Canonical link: https://commits.webkit.org/267048@main