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unpoison memory-mapped files

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This commit is contained in:
Nikita Smith
2025-06-25 10:53:24 -07:00
committed by Ryan Fleury
parent 790c95fc80
commit 153d78ec6a
1 changed files with 2 additions and 0 deletions
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src/linker/lnk_io.c
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@@ -224,6 +224,8 @@ THREAD_POOL_TASK_FUNC(lnk_memory_map_file_task)
GetFileSizeEx(file_handle, &file_size); GetFileSizeEx(file_handle, &file_size);
void *file_data = MapViewOfFile(mapping_handle, FILE_MAP_COPY, 0, 0, file_size.QuadPart); void *file_data = MapViewOfFile(mapping_handle, FILE_MAP_COPY, 0, 0, file_size.QuadPart);
if (file_data) { if (file_data) {
// asan crashes for an unknown reason on memory-mapped files, even though the allocation is perfectly fine
AsanUnpoisonMemoryRegion(file_data, file_size.QuadPart);
task->data_arr.v[task_id] = str8(file_data, file_size.QuadPart); task->data_arr.v[task_id] = str8(file_data, file_size.QuadPart);
} }
CloseHandle(mapping_handle); CloseHandle(mapping_handle);