system/wine
system/wine
1
0
Fork 0
mirror of https://github.com/wine-mirror/wine synced 2024-06-29 06:14:34 +00:00
Code Issues Projects Releases Wiki Activity

server: Mark block as writable in mark_block_uninitialized.

Browse Source 
Before writing to it, it may have been marked as noaccess before
in free_shared_object.
This commit is contained in:
Rémi Bernon 2024-06-21 01:06:05 +02:00 committed by Alexandre Julliard
parent c77a217d34
commit 33a9097bb4
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
server/object.c
View File

@ -116,6 +116,11 @@ void mark_block_noaccess( void *ptr, size_t size )
/* mark a block of memory as uninitialized for debugging purposes */
void mark_block_uninitialized( void *ptr, size_t size )
{
#if defined(VALGRIND_MAKE_MEM_UNDEFINED)
VALGRIND_DISCARD( VALGRIND_MAKE_MEM_UNDEFINED( ptr, size ));
#elif defined(VALGRIND_MAKE_WRITABLE)
VALGRIND_DISCARD( VALGRIND_MAKE_WRITABLE( ptr, size ));
#endif
memset( ptr, 0x55, size );
#if defined(VALGRIND_MAKE_MEM_UNDEFINED)
VALGRIND_DISCARD( VALGRIND_MAKE_MEM_UNDEFINED( ptr, size ));