| From | Sami Tolvanen <> | Date | Wed, 4 May 2022 09:41:43 -0700 | Subject | Re: [RFC PATCH 00/21] KCFI support |
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Hi Mark,
On Wed, May 4, 2022 at 9:18 AM Mark Rutland <mark.rutland@arm.com> wrote: > I wanted to give this a spin on arm64, but I'm seeing some very odd toolchain > behaviour. I'm not sure if I've done something wrong, or if I'm just hitting an > edge-case, but it looks like using -fsanitize=kcfi causes the toolchain to hit > out-of-memory errors and other issues which look like they could be memory > corruption.
Thanks for the detailed bug report! It definitely looks like something is wrong with the recent switch from std::string to Twine in the Clang code. I didn't see this issue when compiling the arm64 kernel, but I'll take a closer look and see if I can reproduce it.
Sami
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