[PATCH 0/1] MR4129: ntdll: Get the right ImageBase on wow64

[André Zwing (＠AndreRH)]

ImageBase might be 64-bit wide or 32-bit wide

[PATCH 1/1] ntdll: Get the right ImageBase on wow64

[André Zwing]

From: André Zwing

---
 dlls/ntdll/loader.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/loader.c b/dlls/ntdll/loader.c
index 1a87f4d1f5e..db7303a1a1b 100644
--- a/dlls/ntdll/loader.c
+++ b/dlls/ntdll/loader.c
@@ -2034,7 +2034,11 @@ static NTSTATUS perform_relocations( void *module, IMAGE_NT_HEADERS *nt, SIZE_T
     INT_PTR delta;
     ULONG protect_old[96], i;

-    base = (char *)nt->OptionalHeader.ImageBase;
+    if (nt->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
+        base = (char *)((const IMAGE_NT_HEADERS64 *)nt)->OptionalHeader.ImageBase;
+    else
+        base = (char *)((const IMAGE_NT_HEADERS32 *)nt)->OptionalHeader.ImageBase;
+
     if (module == base) return STATUS_SUCCESS;  /* nothing to do */

/* no relocations are performed on non page-aligned binaries */

[Alexandre Julliard (＠julliard)]

This was fixed by a1830c03a50ad38ec3f857a2a8b88498d1bf5e54 and should no longer happen. If you still see this, please explain how to reproduce it.

[André Zwing (＠AndreRH)]

On Wed Oct 18 19:12:44 2023 +0000, Alexandre Julliard wrote:
> This was fixed by a1830c03a50ad38ec3f857a2a8b88498d1bf5e54 and should no
> longer happen. If you still see this, please explain how to reproduce it.

ok, likely a some patches we need for Hangover rn, sry

[PATCH 0/1] MR4129: ntdll: Get the right ImageBase on wow64 - closed

[André Zwing (＠AndreRH)]

This merge request was closed by André Zwing.