ntdll: Initialize dbg_offset and dbg_size (valgrind).

Syscall param writev(vector[...]) points to uninitialised byte(s) at 0x4189DA3: writev (writev.c:26) by 0x46A5A0B: send_request (server.c:213) by 0x46A5A0B: server_call_unlocked (server.c:273) by 0x46A5B4F: wine_server_call (server.c:289) by 0x46C996A: virtual_create_builtin_view (virtual.c:2524) by 0x4692CB4: dlopen_dll (loader.c:1133) by 0x46931CA: open_builtin_file (loader.c:1373) by 0x46931CA: open_builtin_file (loader.c:1354) by 0x4694559: load_builtin_dll (loader.c:1457) by 0x7BC375F2: load_builtin_dll (loader.c:2348) by 0x7BC38369: load_dll (loader.c:2705) by 0x7BC39E46: import_dll (loader.c:782) by 0x7BC36CEC: fixup_imports (loader.c:1138) by 0x7BC3BE4B: LdrInitializeThunk (loader.c:3454) Address 0x32e390 is on thread 1's stack in frame #5, created by open_builtin_file (loader.c:1357) Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Initialize dbg_offset and dbg_size (valgrind).
c3c4d0c3 · Rémi Bernon · Alexandre Julliard · 99088fe1 · c3c4d0c3
Commit c3c4d0c3 authored Mar 08, 2021 by Rémi Bernon Committed by Alexandre Julliard Mar 09, 2021
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loader.c dlls/ntdll/unix/loader.c +2 -0

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--- a/dlls/ntdll/unix/loader.c
+++ b/dlls/ntdll/unix/loader.c
@@ -1068,6 +1068,8 @@ static void fill_builtin_image_info( void *module, pe_image_info_t *info )
    info->header_size     = nt->OptionalHeader.SizeOfHeaders;
    info->file_size       = nt->OptionalHeader.SizeOfImage;
    info->checksum        = nt->OptionalHeader.CheckSum;
+    info->dbg_offset      = 0;
+    info->dbg_size        = 0;
    info->cpu             = client_cpu;
    info->__pad           = 0;
 }