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merged 1 commit into from
Jun 5, 2025
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Summary:
index should always be smaller than weight.size(0). Adding this check in op_embedding.

This is to avoid wild-addr-read error:

AddressSanitizer:DEADLYSIGNAL
=================================================================
==3544359==ERROR: AddressSanitizer: SEGV on unknown address 0x7fce2364bc00 (pc 0x000002d225a0 bp 0x7ffffc792a40 sp 0x7ffffc792990 T0)
==3544359==The signal is caused by a READ memory access.
SCARINESS: 20 (wild-addr-read)
    #0 0x2d225a0 in void torch::executor::native::(anonymous namespace)::embedding_byte_per_channel<signed char, c10::Half, float>(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor&) xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:175
    #1 0x2d22367 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #2 0x2d2223d in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #3 0x2d21d37 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda0'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #4 0x2d21bca in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #5 0x2d20f8f in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #6 0x2d20e13 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #7 0x2d20d06 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&) xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #8 0x2d226b7 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::KernelRuntimeContext&, executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&) xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:329
    #9 0x2d09bef in torch::executor::function::(anonymous namespace)::$_7::operator()(executorch::runtime::KernelRuntimeContext&, executorch::runtime::EValue**) const buck-out/v2/gen/fbsource/ff19a7e6cb17a7b1/xplat/executorch/kernels/quantized/__generated_lib_combined__/out/RegisterCodegenUnboxedKernelsEverything.cpp:322
    #10 0x2d09a70 in torch::executor::function::(anonymous namespace)::$_7::__invoke(executorch::runtime::KernelRuntimeContext&, executorch::runtime::EValue**) buck-out/v2/gen/fbsource/ff19a7e6cb17a7b1/xplat/executorch/kernels/quantized/__generated_lib_combined__/out/RegisterCodegenUnboxedKernelsEverything.cpp:297
    #11 0x27d769b in executorch::runtime::Method::execute_instruction() xplat/executorch/runtime/executor/method.cpp:1306
    #12 0x27d8c55 in executorch::runtime::Method::execute() xplat/executorch/runtime/executor/method.cpp:1550
    #13 0x27b1e25 in executorch::extension::Module::execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, std::vector<executorch::runtime::EValue, std::allocator<executorch::runtime::EValue>> const&) xplat/executorch/extension/module/module.cpp:261
    #14 0x27afe43 in executorch::extension::Module::forward(std::vector<executorch::runtime::EValue, std::allocator<executorch::runtime::EValue>> const&) xplat/executorch/extension/module/module.h:340
    #15 0x27e0519 in executorch::extension::llm::LlmBackboneRunner::run(std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&) xplat/executorch/examples/models/fb/llama4/runner/llm_backbone_runner.cpp:58
    #16 0x27a35c9 in executorch::extension::llm::Llama4Runner::prefill_tokens(std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&) xplat/executorch/examples/models/fb/llama4/runner/llama4_runner.cpp:133
    #17 0x885774 in main (/data/users/larryliu/fbsource/buck-out/v2/gen/fbsource/ff19a7e6cb17a7b1/xplat/cria/benchmark/llama4/__generation_main__/generation_main+0x885774)
    #18 0x7fce2122c656 in __libc_start_call_main /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #19 0x7fce2122c717 in __libc_start_main@GLIBC_2.2.5 /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../csu/libc-start.c:409:3
    #20 0x884c20 in _start /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../sysdeps/x86_64/start.S:116

AddressSanitizer can not provide additional info.
AddressSanitizer: SEGV xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:175 in void torch::executor::native::(anonymous namespace)::embedding_byte_per_channel<signed char, c10::Half, float>(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor&)
==3544359==ABORTING

Differential Revision: D75982682

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11375

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@facebook-github-bot facebook-github-bot added the CLA Signed This label is managed by the Facebook bot. Authors need to sign the CLA before a PR can be reviewed. label Jun 4, 2025
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This pull request was exported from Phabricator. Differential Revision: D75982682

@larryliu0820 larryliu0820 added the release notes: none Do not include this in the release notes label Jun 4, 2025
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@larryliu0820 has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

Summary:
index should always be smaller than weight.size(0). Adding this check in `op_embedding`.

This is to avoid wild-addr-read error:

```
AddressSanitizer:DEADLYSIGNAL
=================================================================
==3544359==ERROR: AddressSanitizer: SEGV on unknown address 0x7fce2364bc00 (pc 0x000002d225a0 bp 0x7ffffc792a40 sp 0x7ffffc792990 T0)
==3544359==The signal is caused by a READ memory access.
SCARINESS: 20 (wild-addr-read)
    #0 0x2d225a0 in void torch::executor::native::(anonymous namespace)::embedding_byte_per_channel<signed char, c10::Half, float>(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor&) xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:175
    #1 0x2d22367 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #2 0x2d2223d in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #3 0x2d21d37 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const::'lambda0'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #4 0x2d21bca in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const::'lambda'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #5 0x2d20f8f in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const::'lambda0'()::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #6 0x2d20e13 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&)::$_0::operator()() const xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #7 0x2d20d06 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&) xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:303
    #8 0x2d226b7 in torch::executor::native::quantized_embedding_byte_dtype_out(executorch::runtime::KernelRuntimeContext&, executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, long, long, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::ScalarType>, executorch::runtime::etensor::Tensor&) xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:329
    #9 0x2d09bef in torch::executor::function::(anonymous namespace)::$_7::operator()(executorch::runtime::KernelRuntimeContext&, executorch::runtime::EValue**) const buck-out/v2/gen/fbsource/ff19a7e6cb17a7b1/xplat/executorch/kernels/quantized/__generated_lib_combined__/out/RegisterCodegenUnboxedKernelsEverything.cpp:322
    #10 0x2d09a70 in torch::executor::function::(anonymous namespace)::$_7::__invoke(executorch::runtime::KernelRuntimeContext&, executorch::runtime::EValue**) buck-out/v2/gen/fbsource/ff19a7e6cb17a7b1/xplat/executorch/kernels/quantized/__generated_lib_combined__/out/RegisterCodegenUnboxedKernelsEverything.cpp:297
    #11 0x27d769b in executorch::runtime::Method::execute_instruction() xplat/executorch/runtime/executor/method.cpp:1306
    #12 0x27d8c55 in executorch::runtime::Method::execute() xplat/executorch/runtime/executor/method.cpp:1550
    #13 0x27b1e25 in executorch::extension::Module::execute(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, std::vector<executorch::runtime::EValue, std::allocator<executorch::runtime::EValue>> const&) xplat/executorch/extension/module/module.cpp:261
    #14 0x27afe43 in executorch::extension::Module::forward(std::vector<executorch::runtime::EValue, std::allocator<executorch::runtime::EValue>> const&) xplat/executorch/extension/module/module.h:340
    #15 0x27e0519 in executorch::extension::llm::LlmBackboneRunner::run(std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&) xplat/executorch/examples/models/fb/llama4/runner/llm_backbone_runner.cpp:58
    #16 0x27a35c9 in executorch::extension::llm::Llama4Runner::prefill_tokens(std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&, std::shared_ptr<executorch::runtime::etensor::Tensor> const&) xplat/executorch/examples/models/fb/llama4/runner/llama4_runner.cpp:133
    #17 0x885774 in main (/data/users/larryliu/fbsource/buck-out/v2/gen/fbsource/ff19a7e6cb17a7b1/xplat/cria/benchmark/llama4/__generation_main__/generation_main+0x885774)
    #18 0x7fce2122c656 in __libc_start_call_main /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #19 0x7fce2122c717 in __libc_start_main@GLIBC_2.2.5 /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../csu/libc-start.c:409:3
    #20 0x884c20 in _start /home/engshare/third-party2/glibc/2.34/src/glibc-2.34/csu/../sysdeps/x86_64/start.S:116

AddressSanitizer can not provide additional info.
AddressSanitizer: SEGV xplat/executorch/kernels/quantized/cpu/op_embedding.cpp:175 in void torch::executor::native::(anonymous namespace)::embedding_byte_per_channel<signed char, c10::Half, float>(executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor const&, std::optional<executorch::runtime::etensor::Tensor> const&, executorch::runtime::etensor::Tensor const&, executorch::runtime::etensor::Tensor&)
==3544359==ABORTING
```


Test Plan:
Imported from GitHub, without a `Test Plan:` line.

Rollback Plan:

Reviewed By: Gasoonjia

Differential Revision: D75982682

Pulled By: larryliu0820
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This pull request was exported from Phabricator. Differential Revision: D75982682

@facebook-github-bot facebook-github-bot merged commit 6467251 into main Jun 5, 2025
96 of 98 checks passed
@facebook-github-bot facebook-github-bot deleted the export-D75982682 branch June 5, 2025 17:16
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