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PVF: NaN canonicalization & deteriministic stack (#9069)

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* NaN canonicalization

* Introduce a simple stack depth metering

* Be explicit about the wasm features we enable

* Pull the latest latast fix for the pwasm-utils crate

* Disable `wasm_threads` as well.

* Factor out deterministic stack params

* Add more docs

* Remove redundant dep

* Refine comments

* Typo

Co-authored-by: Andronik Ordian <write@reusable.software>

Co-authored-by: Andronik Ordian <write@reusable.software>
This commit is contained in:
Sergei Shulepov
2021-07-07 11:29:39 +03:00
committed by GitHub
parent d80e1bc978
commit f388b66ab5
9 changed files with 2610 additions and 66 deletions
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substrate/client/executor/runtime-test/src/lib.rs
+6
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@@ -109,6 +109,12 @@ sp_core::wasm_export_functions! {
fn test_exhaust_heap() -> Vec<u8> { Vec::with_capacity(16777216) }
fn test_fp_f32add(a: [u8; 4], b: [u8; 4]) -> [u8; 4] {
let a = f32::from_le_bytes(a);
let b = f32::from_le_bytes(b);
f32::to_le_bytes(a + b)
}
fn test_panic() { panic!("test panic") }
fn test_conditional_panic(input: Vec<u8>) -> Vec<u8> {