Alexandre Julliard : server: Leave some free space between modules in ASLR mode.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d96864eb4fbdbd384094b2c7754fc45a3a41d708
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d96864eb4fbdbd384094b2c7754fc45...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Mon Dec 11 17:49:15 2023 +0100

server: Leave some free space between modules in ASLR mode.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55993

---

 server/mapping.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/server/mapping.c b/server/mapping.c
index b5684c484d2..a101110c76c 100644
--- a/server/mapping.c
+++ b/server/mapping.c
@@ -1165,6 +1165,8 @@ static client_ptr_t assign_map_address( struct mapping *mapping )
 
     if ((ret = get_fd_map_address( mapping->fd ))) return ret;
 
+    size += granularity_mask + 1;  /* leave some free space between mappings */
+
     for (i = 0; i < range->count; i++)
     {
         if (range->free[i].size < size) continue;