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Add memory sanitizer support #521

Merged
merged 3 commits into from
Oct 16, 2024
Merged

Add memory sanitizer support #521

merged 3 commits into from
Oct 16, 2024

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newpavlov
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Add new getrandom_sanitize flag which enables unpoisoning of buffer passed to getrandom_uninit.

@newpavlov newpavlov requested a review from josephlr October 16, 2024 06:14
@@ -474,7 +486,20 @@ pub fn getrandom_uninit(dest: &mut [MaybeUninit<u8>]) -> Result<&mut [u8], Error
if !dest.is_empty() {
imp::getrandom_inner(dest)?;
}

#[cfg(getrandom_sanitize)]
#[cfg(sanitize = "memory")]
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#[cfg(sanitize = "memory")] requires Nightly compiler and enabled cfg_sanitize feature, so it's gated behind getrandom_sanitize instead of being used directly.

@newpavlov newpavlov merged commit f622215 into master Oct 16, 2024
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@newpavlov newpavlov deleted the msan_support branch October 16, 2024 06:53
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