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Fix formatting and remove redundant size calculation #1229

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Merged
merged 4 commits into from
Nov 29, 2025
Merged

Fix formatting and remove redundant size calculation #1229

merged 4 commits into from
Nov 29, 2025

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@MacroModel MacroModel commented Nov 28, 2025

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MacroModel commented Nov 28, 2025

等我加一个wasi-thread功能

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MacroModel commented Nov 28, 2025

asan炸了

[ 73%]: path_rename_wasm64/unit ...................................... failed 0.187s
stderr: =================================================================
==1716==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x1183734a0938 at pc 0x7ffc630ea0fb bp 0x004a557fbae0 sp 0x004a557fbb28
READ of size 42 at 0x1183734a0938 thread T0
    #0 0x7ffc630ea0fa in __asan_memcpy (D:\a\_temp\msys64\clang64\bin\libclang_rt.asan_dynamic-x86_64.dll+0x18004a0fa)
    #1 0x7ff620f5abab in fast_io::freestanding::my_memcpy(void*, void const*, unsigned long long) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_core_impl/freestanding/algorithm.h:258:3
    #2 0x7ff620fae3c9 in void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)::operator()(void*, fast_io::win32::nt::unicode_string const*) const D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:712:4
    #3 0x7ff620faec54 in auto fast_io::win32::nt::details::nt_call_invoke_with_directory_handle_impl<char16_t, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)>(void*, char16_t const*, unsigned long long, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/platforms/nt/nt_path.h:122:10
    #4 0x7ff620fadee9 in auto fast_io::win32::nt::details::nt_call_callback<char16_t, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)>(void*, char16_t const*, unsigned long long, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/platforms/nt/nt_path.h:200:9
    #5 0x7ff620fadd75 in auto fast_io::win32::nt::details::nt_call_determine_kernel_callback<char16_t, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)>(void*, char16_t const*, unsigned long long, bool, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/platforms/nt/nt_path.h:259:10
    #6 0x7ff620fadb63 in void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:695:2
    #7 0x7ff620fad8c1 in auto fast_io::win32::nt::details::nt22_api_dispatcher<false, (fast_io::details::posix_api_22)0, bool>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:883:3
    #8 0x7ff620fad842 in auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:974:23
    #9 0x7ff620fad3cb in auto fast_io::details::nt_api_common_code_cvt_impl<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, char8_t, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const::'lambda'(char16_t const*, unsigned long long)>(T0 const*, unsigned long long, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:16:10
    #10 0x7ff620fad20d in auto fast_io::nt_api_common<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, fast_io::containers::basic_cstring_view<char8_t>, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const::'lambda'(char16_t const*, unsigned long long)>(T0 const&, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:86:11
    #11 0x7ff620fad026 in auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:972:16
    #12 0x7ff620facc5b in auto fast_io::details::nt_api_common_code_cvt_impl<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, char8_t, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)>(T0 const*, unsigned long long, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:16:10
    #13 0x7ff620facaa3 in auto fast_io::nt_api_common<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)>(T0 const&, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:86:11
    #14 0x7ff620fac8c6 in auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:970:9
    #15 0x7ff620f6a92a in void fast_io::native_renameat<fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, fast_io::containers::basic_cstring_view<char8_t>&>(fast_io::nt_at_entry, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, fast_io::nt_at_entry, fast_io::containers::basic_cstring_view<char8_t>&) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:1405:2
    #16 0x7ff620f49f51 in uwvm2::imported::wasi::wasip1::func::path_rename_wasm64(uwvm2::imported::wasi::wasip1::environment::wasip1_environment<uwvm2::object::memory::linear::mmap_memory_t>&, int, unsigned long long, unsigned long long, int, unsigned long long, unsigned long long) D:/a/uwvm2/uwvm2/src/uwvm2/imported/wasi/wasip1/func/path_rename_wasm64.h:805:37
    #17 0x7ff620f4279a in main D:/a/uwvm2/uwvm2/test\0008.imported\wasi\wasip1\func/path_rename_wasm64.cc:206:26
    #18 0x7ff620f410fd in __tmainCRTStartup D:/W/B/src/mingw-w64/mingw-w64-crt/crt/crtexe.c:236:11
    #19 0x7ff620f413b5 in .l_start D:/W/B/src/mingw-w64/mingw-w64-crt/crt/crtexe.c:122:9
    #20 0x7ffc8c80e8d6  (C:\Windows\System32\KERNEL32.DLL+0x18002e8d6)
    #21 0x7ffc8dc8c53b  (C:\Windows\SYSTEM32\ntdll.dll+0x18008c53b)
0x1183734a0938 is located 0 bytes after 40-byte region [0x1183734a0910,0x1183734a0938)
allocated by thread T0 here:
    #0 0x7ffc630eb7c1 in malloc (D:\a\_temp\msys64\clang64\bin\libclang_rt.asan_dynamic-x86_64.dll+0x18004b7c1)
    #1 0x7ff620f4c7a3 in fast_io::c_malloc_allocator::allocate(unsigned long long) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_core_impl/allocation/c_malloc.h:43:4
    #2 0x7ff620f4c772 in fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>::allocate(unsigned long long) requires !fast_io::generic_allocator_adapter::has_status D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_core_impl/allocation/adapters.h:123:12
    #3 0x7ff620fa88d2 in fast_io::generic_allocator_adapter<fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>::allocate(unsigned long long) requires !fast_io::generic_allocator_adapter::has_status D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_core_impl/allocation/adapters.h:123:12
    #4 0x7ff620fa87cc in fast_io::typed_generic_allocator_adapter<fast_io::generic_allocator_adapter<fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, char16_t>::allocate(unsigned long long) requires !fast_io::typed_generic_allocator_adapter::has_status D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_core_impl/allocation/adapters.h:1164:28
    #5 0x7ff620faeaef in auto fast_io::win32::nt::details::nt_call_invoke_with_directory_handle_impl<char16_t, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)>(void*, char16_t const*, unsigned long long, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/platforms/nt/nt_path.h:108:29
    #6 0x7ff620fadee9 in auto fast_io::win32::nt::details::nt_call_callback<char16_t, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)>(void*, char16_t const*, unsigned long long, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/platforms/nt/nt_path.h:200:9
    #7 0x7ff620fadd75 in auto fast_io::win32::nt::details::nt_call_determine_kernel_callback<char16_t, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)>(void*, char16_t const*, unsigned long long, bool, void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool)::'lambda'(void*, fast_io::win32::nt::unicode_string const*)) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/platforms/nt/nt_path.h:259:10
    #8 0x7ff620fadb63 in void fast_io::win32::nt::details::nt_renameat_impl<false>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:695:2
    #9 0x7ff620fad8c1 in auto fast_io::win32::nt::details::nt22_api_dispatcher<false, (fast_io::details::posix_api_22)0, bool>(void*, char16_t const*, unsigned long long, void*, char16_t const*, unsigned long long, bool) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:883:3
    #10 0x7ff620fad842 in auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:974:23
    #11 0x7ff620fad3cb in auto fast_io::details::nt_api_common_code_cvt_impl<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, char8_t, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const::'lambda'(char16_t const*, unsigned long long)>(T0 const*, unsigned long long, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:16:10
    #12 0x7ff620fad20d in auto fast_io::nt_api_common<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, fast_io::containers::basic_cstring_view<char8_t>, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const::'lambda'(char16_t const*, unsigned long long)>(T0 const&, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:86:11
    #13 0x7ff620fad026 in auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)::operator()(char16_t const*, unsigned long long) const D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:972:16
    #14 0x7ff620facc5b in auto fast_io::details::nt_api_common_code_cvt_impl<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, char8_t, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)>(T0 const*, unsigned long long, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:16:10
    #15 0x7ff620facaa3 in auto fast_io::nt_api_common<fast_io::generic_allocator_adapter<fast_io::nt_rtlallocateheap_allocator>, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool)::'lambda'(char16_t const*, unsigned long long)>(T0 const&, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/api_encoding_converter/win32.h:86:11
    #16 0x7ff620fac8c6 in auto fast_io::win32::nt::details::nt_deal_with22<(fast_io::nt_family)18, (fast_io::details::posix_api_22)0, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>>, fast_io::containers::basic_cstring_view<char8_t>, bool>(void*, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, void*, fast_io::containers::basic_cstring_view<char8_t> const&, bool) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:970:9
    #17 0x7ff620f6a92a in void fast_io::native_renameat<fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, fast_io::containers::basic_cstring_view<char8_t>&>(fast_io::nt_at_entry, fast_io::containers::basic_string<char8_t, fast_io::generic_allocator_adapter<fast_io::c_malloc_allocator>> const&, fast_io::nt_at_entry, fast_io::containers::basic_cstring_view<char8_t>&) D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_hosted/filesystem/nt_at.h:1405:2
    #18 0x7ff620f49f51 in uwvm2::imported::wasi::wasip1::func::path_rename_wasm64(uwvm2::imported::wasi::wasip1::environment::wasip1_environment<uwvm2::object::memory::linear::mmap_memory_t>&, int, unsigned long long, unsigned long long, int, unsigned long long, unsigned long long) D:/a/uwvm2/uwvm2/src/uwvm2/imported/wasi/wasip1/func/path_rename_wasm64.h:805:37
    #19 0x7ff620f4279a in main D:/a/uwvm2/uwvm2/test\0008.imported\wasi\wasip1\func/path_rename_wasm64.cc:206:26
    #20 0x7ff620f410fd in __tmainCRTStartup D:/W/B/src/mingw-w64/mingw-w64-crt/crt/crtexe.c:236:11
    #21 0x7ff620f413b5 in .l_start D:/W/B/src/mingw-w64/mingw-w64-crt/crt/crtexe.c:122:9
    #22 0x7ffc8c80e8d6  (C:\Windows\System32\KERNEL32.DLL+0x18002e8d6)
    #23 0x7ffc8dc8c53b  (C:\Windows\SYSTEM32\ntdll.dll+0x18008c53b)
SUMMARY: AddressSanitizer: heap-buffer-overflow D:/a/uwvm2/uwvm2/third-parties\fast_io\include/fast_io_core_impl/freestanding/algorithm.h:258:3 in fast_io::freestanding::my_memcpy(void*, void const*, unsigned long long)
Shadow bytes around the buggy address:
  0x1183734a0680: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
  0x1183734a0700: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
  0x1183734a0780: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
  0x1183734a0800: fa fa 00 00 00 00 00 fa fa fa 00 00 00 00 00 fa
  0x1183734a0880: fa fa 00 00 00 00 00 fa fa fa fd fd fd fd fd fa
=>0x1183734a0900: fa fa 00 00 00 00 00[fa]fa fa fa fa fa fa fa fa
  0x1183734a0980: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1183734a0a00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1183734a0a80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1183734a0b00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x1183734a0b80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==1716==ABORTING

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MacroModel commented Nov 28, 2025

fixed

@MacroModel
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MacroModel commented Nov 28, 2025

@trcrsired merge plz

@MacroModel
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MacroModel commented Nov 28, 2025

passed UlteSoft/uwvm2#135

@trcrsired trcrsired merged commit 4b814dd into cppfastio:next Nov 29, 2025
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@MacroModel @trcrsired