Alexandre Julliard : ntdll: Don't touch the top of the 32-bit thread stack.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 26163c10bb3e1053d4f1b3d78c2d2d65d96c43d1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/26163c10bb3e1053d4f1b3d78c2d2d6...

Author: Alexandre Julliard 
Date:   Wed Mar  8 17:48:23 2023 +0100

ntdll: Don't touch the top of the 32-bit thread stack.

---

dlls/ntdll/unix/signal_x86_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/unix/signal_x86_64.c b/dlls/ntdll/unix/signal_x86_64.c
index 07ffb269d19..2152b5e1a77 100644
--- a/dlls/ntdll/unix/signal_x86_64.c
+++ b/dlls/ntdll/unix/signal_x86_64.c
@@ -97,7 +97,7 @@ __ASM_GLOBAL_FUNC( alloc_fs_sel,
                    "pushq %rdi\n\t"
                    "movq %rsp,%rdi\n\t"
                    "movl 0x4(%rdx),%esp\n\t"  /* Tib.StackBase */
-                   "subl $0x10,%esp\n\t"
+                   "subl $0x20,%esp\n\t"
                    /* setup modify_ldt struct on 32-bit stack */
                    "movl %ecx,(%rsp)\n\t"     /* entry_number */
                    "movl %edx,4(%rsp)\n\t"    /* base */