[webkit-changes] [WebKit/WebKit] ee2d7b: Cherry-pick 283195 at main (b8999f1cf051). https://bu...

[Marcus Plutowski]

  Branch: refs/heads/webkitglib/2.46
  Home:   https://github.com/WebKit/WebKit
  Commit: ee2d7b1914f89c9117be418b16a6d985009376fe
      https://github.com/WebKit/WebKit/commit/ee2d7b1914f89c9117be418b16a6d985009376fe
  Author: Marcus Plutowski <marcus_plutowski at apple.com>
  Date:   2024-09-06 (Fri, 06 Sep 2024)

  Changed paths:
    M Source/WTF/wtf/posix/OSAllocatorPOSIX.cpp

  Log Message:
  -----------
  Cherry-pick 283195 at main (b8999f1cf051). https://bugs.webkit.org/show_bug.cgi?id=279155

    Gracefully handle guard-page mmap failures in OSAllocatorPOSIX
    https://bugs.webkit.org/show_bug.cgi?id=279155
    rdar://135306076

    Reviewed by Yusuke Suzuki.

    While it's unlikely that these mmap calls fail, it is still possible --
    e.g. if the process hits the maximum number of allocations midway
    through this call. This patch makes it so that we won't just ignore such
    failures, and will instead clean up + tell the caller that their
    allocation failed.

    * Source/WTF/wtf/posix/OSAllocatorPOSIX.cpp:
    (WTF::OSAllocator::tryReserveAndCommit):

    Canonical link: https://commits.webkit.org/283195@main

Canonical link: https://commits.webkit.org/282416.71@webkitglib/2.46



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