wasmtime

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Currently, when guest debugging is enabled (after #12051), we clone the code memory for each module for each store so that we can patch in breakpoints. We don't support registering...

cfallin

In #12051 we added functionality to create private `CodeMemory`s per `Store` for each module instantiated in that store so that we could patch in breakpoints. The functionality currently clones the...

cfallin

Cannot cancel a host-initiated read of a future

2

Currently there's no API to, given a `FutureReader`, perform a read and then cancel that read to get back the original `FutureReader`.

alexcrichton

Support load sinking across notrap loads

4

#### Feature For example for subtracting 2 mathematical vectors with 3 elements like so: ``` function u0:0(i64 sret, i64, i64) system_v { block0(v0: i64, v1: i64, v2: i64): v3 =...

bjorn3

exports for wasi_snapshot_preview1::fd_write in memory64 has 32 bit pointers

6

Thanks for filing a bug report! Please fill out the TODOs below. **Note: if you want to report a security issue, please read our [security policy](https://bytecodealliance.org/security)!** ### Test Case Wasm...

yowl

assertion failed: state.guest_thread.is_none()

1

Hi there! I want to link wasm components at runtime. How can I do this with version 39.0.0? ### Test Case Here is the test code: ```rust use std::{collections::HashMap, sync::Arc};...

if0ne

Atomic instructions are not fuzzed

4

Currently wasm-smith doesn't generate any atomic instructions at all, meaning there's no fuzz coverage of atomics. Before re-enabling threads as tier 1 we should ensure that this is taken care...

alexcrichton

Adding a "close" method to `{Future,Stream}[Producer,Consumer}` traits

1

@dicej in the fuzzer I'm writing I'm finding that it's difficult to know when a producer/consumer is dropped by the guest in the host. Currently this is only detect-able via...

alexcrichton

Support GC struct/array/i31 in Wasmtime's C API

2

fitzgen

resources.wast test failing in sync mode with cooperative multithreading

7

Fuzzing overnight plus some bisection locally shows that after https://github.com/bytecodealliance/wasmtime/pull/11751 and with https://github.com/bytecodealliance/wasmtime/pull/11953 applied the following fails locally ``` $ cargo run wast tests/misc_testsuite/component-model/resources.wast --async=false Compiling wasmtime-cli v39.0.0 (/Users/alex/code/wasmtime) Finished...

alexcrichton