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Wasmtime error when handling debuginfo: Unexpected attribute: Data8(4294967295) #9333

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bjorn3 opened this issue Sep 30, 2024 · 0 comments · Fixed by #9335
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Wasmtime error when handling debuginfo: Unexpected attribute: Data8(4294967295) #9333

bjorn3 opened this issue Sep 30, 2024 · 0 comments · Fixed by #9335
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bug Incorrect behavior in the current implementation that needs fixing

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@bjorn3
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bjorn3 commented Sep 30, 2024

Test Case

wasm-zlib-benchmark.wasm.zip

Steps to Reproduce

  • wasmtime compile -Ddebug-info=y wasm-zlib-benchmark.wasm

Expected Results

Compiles fine

Actual Results

Error: failed to emit DWARF debug information

Caused by:
    Unexpected attribute: Data8(4294967295)

Stack backtrace:
   0: anyhow::error::<impl anyhow::Error>::msg
   1: wasmtime_cranelift::debug::transform::attr::clone_die_attributes
   2: wasmtime_cranelift::debug::transform::unit::clone_unit
   3: wasmtime_cranelift::debug::transform::transform_dwarf
   4: wasmtime_cranelift::debug::write_debuginfo::emit_dwarf
   5: <wasmtime_cranelift::compiler::Compiler as wasmtime_environ::compile::Compiler>::append_dwarf
   6: wasmtime::compile::FunctionIndices::link_and_append_code
   7: wasmtime::compile::build_artifacts
   8: wasmtime::compile::code_builder::CodeBuilder::compile_module_serialized

Versions and Environment

Wasmtime version or commit: wasmtime 25.0.1

Operating system: Linux

Architecture: x86_64

Extra Info

This wasm file was compiled from https://github.com/folkertdev/wasm-zlib-benchmark- in release mode with debug info enabled.
@bjorn3 bjorn3 added the bug Incorrect behavior in the current implementation that needs fixing label Sep 30, 2024
alexcrichton added a commit to alexcrichton/wasmtime that referenced this issue Sep 30, 2024
@alexcrichton
Handle another DWARF attribute when rewriting DWARF
30f3669 
I don't know what `Data8` is, but it looks a lot like `Data4`, so
process it in the same way as `Data4`.

Closes bytecodealliance#9333
@alexcrichton alexcrichton mentioned this issue Sep 30, 2024
Merged
github-merge-queue bot pushed a commit that referenced this issue Sep 30, 2024
@alexcrichton
Handle another DWARF attribute when rewriting DWARF (#9335)
eb07b15 
I don't know what `Data8` is, but it looks a lot like `Data4`, so
process it in the same way as `Data4`.

Closes #9333
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Handle another DWARF attribute when rewriting DWARF alexcrichton/wasmtime
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@bjorn3