tree 72d17cd1b99d3fcf2b8a1a99d2f91cef5a7e0b6d
parent b0e1903edc69e754014843cf127c57fe352e33d5
author Max Moroz <mmoroz@chromium.org> 1575494699 -0800
committer Copybara-Service <copybara-worker@google.com> 1616739633 -0700

[compiler-rt] FuzzedDataProvider: do not call memcpy on empty vector.

Summary:
Some versions of memcpy mark pointer arguments as __nonnull, that triggers UBSan
errors even when the length passed is 0.

Reviewers: manojgupta, metzman

Subscribers: dberris, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D71031

[compiler-rt] FDP: assert that num_bytes_to_consume == 0 when size == 0.

GitOrigin-RevId: a44ef027ebca1598892ea9b104d6189aeb3bc2f0