1. 15 Jul, 2021 1 commit
  2. 02 Jul, 2021 1 commit
  3. 01 Jul, 2021 1 commit
    • Jakob Kummerow's avatar
      [bigint] Fix Karatsuba intermediate result length · a4b573e5
      Jakob Kummerow authored
      When adding up the results of the recursive steps, the Karatsuba
      algorithm can temporarily have intermediate results that are one
      bit bigger than the final result. This patch makes sure we handle
      that case correctly.
      Since that extra bit would always get subtracted again, the old
      code would not have caused incorrect results or memory corruption,
      but it did run into DCHECK-failures, and potentially could have
      caused segfaults.
      
      Bug: v8:11515, chromium:1223724
      Change-Id: I3592835d01cc36def8f0a9bae625e9249864ef78
      Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988758Reviewed-by: 's avatarThibaud Michaud <thibaudm@chromium.org>
      Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
      Cr-Commit-Position: refs/heads/master@{#75509}
      a4b573e5
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