Module: wine Branch: master Commit: 36d32eb8fa2035559f0ce552348de9ece2dbc99d URL: https://source.winehq.org/git/wine.git/?a=commit;h=36d32eb8fa2035559f0ce5523...
Author: Rémi Bernon rbernon@codeweavers.com Date: Mon May 30 22:28:28 2022 +0200
ntdll: Call mark_block_tail outside of initialize_block.
Signed-off-by: Rémi Bernon rbernon@codeweavers.com
---
dlls/ntdll/heap.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c index f03d0ad4a53..aec7bdc420c 100644 --- a/dlls/ntdll/heap.c +++ b/dlls/ntdll/heap.c @@ -360,7 +360,7 @@ static inline void mark_block_tail( void *ptr, SIZE_T size, DWORD flags ) }
/* initialize contents of a newly created block of memory */ -static inline void initialize_block( void *ptr, SIZE_T size, SIZE_T unused, DWORD flags ) +static inline void initialize_block( void *ptr, SIZE_T size, DWORD flags ) { if (flags & HEAP_ZERO_MEMORY) { @@ -372,8 +372,6 @@ static inline void initialize_block( void *ptr, SIZE_T size, SIZE_T unused, DWOR valgrind_make_writable( ptr, size ); memset( ptr, ARENA_INUSE_FILLER, size ); } - - mark_block_tail( (char *)ptr + size, unused, flags ); }
/* notify that a new block of memory has been allocated for debugging purposes */ @@ -833,7 +831,7 @@ static void *realloc_large_block( HEAP *heap, DWORD flags, void *ptr, SIZE_T siz { /* FIXME: we could remap zero-pages instead */ valgrind_notify_resize( arena + 1, old_size, size ); - if (size > old_size) initialize_block( (char *)ptr + old_size, size - old_size, 0, flags ); + if (size > old_size) initialize_block( (char *)ptr + old_size, size - old_size, flags ); arena->data_size = size; valgrind_make_noaccess( (char *)arena + sizeof(*arena) + arena->data_size, arena->block_size - sizeof(*arena) - arena->data_size ); @@ -1494,7 +1492,8 @@ static NTSTATUS heap_allocate( HEAP *heap, ULONG flags, SIZE_T size, void **ret
block_set_type( block, ARENA_INUSE_MAGIC ); shrink_used_block( subheap, block, 0, old_block_size, block_size, size ); - initialize_block( block + 1, size, block->unused_bytes, flags ); + initialize_block( block + 1, size, flags ); + mark_block_tail( (char *)(block + 1) + size, block->unused_bytes, flags );
*ret = block + 1; return STATUS_SUCCESS; @@ -1614,8 +1613,8 @@ static NTSTATUS heap_reallocate( HEAP *heap, ULONG flags, void *ptr, SIZE_T size valgrind_notify_resize( block + 1, old_size, size ); shrink_used_block( subheap, block, block_get_flags( block ), old_block_size, block_size, size );
- if (size <= old_size) mark_block_tail( (char *)(block + 1) + size, block->unused_bytes, flags ); - else initialize_block( (char *)(block + 1) + old_size, size - old_size, block->unused_bytes, flags ); + if (size > old_size) initialize_block( (char *)(block + 1) + old_size, size - old_size, flags ); + mark_block_tail( (char *)(block + 1) + size, block->unused_bytes, flags );
/* Return the new arena */