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Reset headers with a memcpy, not an assign from zeroed (#1443)

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Rowan Hart 2023-08-22 23:23:52 -07:00 committed by GitHub
parent 174b852e0a
commit 942c6a42ac
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1 changed files with 2 additions and 3 deletions
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libafl/src/observers/cmp.rs
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@ -631,7 +631,6 @@ pub struct AFLppCmpHeader {
#[bitfield(name = "reserved", ty = "u32", bits = "60..=63")] #[bitfield(name = "reserved", ty = "u32", bits = "60..=63")]
data: [u8; 8], data: [u8; 8],
} }
/// The AFL++ `cmp_operands` struct /// The AFL++ `cmp_operands` struct
#[derive(Default, Debug, Clone, Copy)] #[derive(Default, Debug, Clone, Copy)]
#[repr(C, packed)] #[repr(C, packed)]
@ -814,8 +813,8 @@ impl CmpMap for AFLppCmpMap {
fn reset(&mut self) -> Result<(), Error> { fn reset(&mut self) -> Result<(), Error> {
// For performance, we reset just the headers // For performance, we reset just the headers
self.headers = unsafe { core::mem::zeroed() }; self.headers.fill(AFLppCmpHeader { data: [0; 8] });
// self.vals.operands = unsafe { core::mem::zeroed() };
Ok(()) Ok(())
} }
} }