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fix(interpreter): avoid overflow when checking if mem limit reached #1429

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Merged
rakita merged 1 commit into from
May 17, 2024
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fix(interpreter): avoid overflow when checking if mem limit reached #1429

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fix(interpreter): avoid overflow when checking if mem limit reached
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@grandizzy
grandizzy committed May 17, 2024
commit a778a250afb85584ae43f3334246a565d6920526
2 changes: 1 addition & 1 deletion crates/interpreter/src/interpreter/shared_memory.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -90,7 +90,7 @@ impl SharedMemory {
#[cfg(feature = "memory_limit")]
#[inline]
pub fn limit_reached(&self, new_size: usize) -> bool {
(self.last_checkpoint + new_size) as u64 > self.memory_limit
self.last_checkpoint.saturating_add(new_size) as u64 > self.memory_limit
}

/// Prepares the shared memory for a new context.
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