Module: wine Branch: stable Commit: f1bb5e6a5d09a4c1990f4cd2f95b856c24852f60 URL: https://source.winehq.org/git/wine.git/?a=commit;h=f1bb5e6a5d09a4c1990f4cd2f...
Author: Brendan Shanks bshanks@codeweavers.com Date: Fri Aug 7 11:40:52 2020 -0700
ntdll: Pad HEAP structure so 'flags' offset matches recent Windows.
Needed for Red Dead Redemption 2 to pass anti-debugger checks, it accesses 'flags' and 'force_flags' at a fixed offset of the ProcessHeap.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49666 Signed-off-by: Brendan Shanks bshanks@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org (cherry picked from commit fd80e0300cbec55fe637714d3b02128616cdd570) Signed-off-by: Michael Stefaniuc mstefani@winehq.org
---
dlls/ntdll/heap.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c index d7232b47d66..2d6b6d3aac0 100644 --- a/dlls/ntdll/heap.c +++ b/dlls/ntdll/heap.c @@ -151,7 +151,13 @@ typedef struct tagSUBHEAP typedef struct tagHEAP { DWORD_PTR unknown1[2]; - DWORD unknown2; + DWORD unknown2[2]; + DWORD_PTR unknown3[4]; + DWORD unknown4; + DWORD_PTR unknown5[2]; + DWORD unknown6[3]; + DWORD_PTR unknown7[2]; + /* For Vista through 10, 'flags' is at offset 0x40 (x86) / 0x70 (x64) */ DWORD flags; /* Heap flags */ DWORD force_flags; /* Forced heap flags for debugging */ SUBHEAP subheap; /* First sub-heap */