Florian Hahn 728003751d Recommit "[BitcodeReader] Validate OpNum, before accessing Record array."
This recommits r365750 (git commit 8b222ecf2769ee133691f208f6166ce118c4a164)

Original message:

   Currently invalid bitcode files can cause a crash, when OpNum exceeds
   the number of elements in Record, like in the attached bitcode file.

   The test case was generated by clusterfuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15698

   Reviewers: t.p.northover, thegameg, jfb

   Reviewed By: jfb

   Differential Revision: https://reviews.llvm.org/D64507

   llvm-svn: 365750jkkkk

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366018 91177308-0d34-0410-b5e6-96231b3b80d8
2019-07-14 14:06:25 +00:00
..