tree 70549c9513fc1b917bc4056a8a571069649b7e82
parent b0db1f1172b4d0ac6e91159c699a33a4dc9db22f
author Eric Holk <eholk@chromium.org> 1504039926 -0700
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> 1504040434 -0700

Return nullptr when failing to raise resource limits

We had been seeing crashes in the wild on pages that would exceed their
resource limits. This CL changes ArrayBufferContents::ReserveMemory to
return nullptr if raising the resource limit fails. Ultimately, this
leads to a RangeError exception being thrown, which matches the other
Wasm out of memory scenarios.

Bug: chromium:759533
Change-Id: Ic8b1ead46cf42e1a1ecfe49ef24948d71b652131
Reviewed-on: https://chromium-review.googlesource.com/639056
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Chris Palmer <palmer@chromium.org>
Commit-Queue: Eric Holk <eholk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#498219}