Sven Baars : ntdll: Test against the correct limit in get_extended_params().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 235e3e522e8776791e54541c7cdb2be1482424db
URL:    https://gitlab.winehq.org/wine/wine/-/commit/235e3e522e8776791e54541c7cdb2be...

Author: Sven Baars 
Date:   Tue Jul 11 15:21:08 2023 +0200

ntdll: Test against the correct limit in get_extended_params().

---

dlls/ntdll/unix/virtual.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c
index 21b4e9b4dba..392ac4d9966 100644
--- a/dlls/ntdll/unix/virtual.c
+++ b/dlls/ntdll/unix/virtual.c
@@ -4353,6 +4353,10 @@ static NTSTATUS get_extended_params( const MEM_EXTENDED_PARAMETER *parameters, U
         case MemExtendedParameterAddressRequirements:
         {
             MEM_ADDRESS_REQUIREMENTS *r = parameters[i].Pointer;
+            ULONG_PTR limit;
+
+            if (is_wow64()) limit = (ULONG_PTR)get_wow_user_space_limit();
+            else limit = (ULONG_PTR)user_space_limit;

if (r->Alignment)
             {
@@ -4366,7 +4370,7 @@ static NTSTATUS get_extended_params( const MEM_EXTENDED_PARAMETER *parameters, U
             if (r->LowestStartingAddress)
             {
                 *limit_low = (ULONG_PTR)r->LowestStartingAddress;
-                if (*limit_low >= (ULONG_PTR)user_space_limit || (*limit_low & granularity_mask))
+                if (*limit_low >= limit || (*limit_low & granularity_mask))
                 {
                     WARN( "Invalid limit %p.\n", r->LowestStartingAddress );
                     return STATUS_INVALID_PARAMETER;
@@ -4375,7 +4379,7 @@ static NTSTATUS get_extended_params( const MEM_EXTENDED_PARAMETER *parameters, U
             if (r->HighestEndingAddress)
             {
                 *limit_high = (ULONG_PTR)r->HighestEndingAddress;
-                if (*limit_high > (ULONG_PTR)user_space_limit ||
+                if (*limit_high > limit ||
                     *limit_high <= *limit_low ||
                     ((*limit_high + 1) & (page_mask - 1)))
                 {