Rebase against fa97cbdf14883fb301dcc0a5264369f8ed184182

This commit is contained in:
Alistair Leslie-Hughes 2019-12-28 09:32:05 +11:00
parent d729a7b132
commit c675804204
5 changed files with 10 additions and 207 deletions

View File

@ -1,165 +0,0 @@
From 19635dea9206b1606ad0ac53c99205d48bc2ee41 Mon Sep 17 00:00:00 2001
From: Paul Gofman <gofmanp@gmail.com>
Date: Thu, 24 Oct 2019 20:17:36 +0300
Subject: [PATCH] ntdll: Fix free area search outside of reserved area in
map_view() for non-zero bitmask.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Patch includes logic changes suggested and edited by Rémi Bernon.
---
dlls/ntdll/virtual.c | 90 ++++++++++++++++++++++++++++++++------------
1 file changed, 66 insertions(+), 24 deletions(-)
diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 72ee2cade3..25fbe3b0b1 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -543,6 +543,24 @@ static struct file_view *find_view_range( const void *addr, size_t size )
return NULL;
}
+/***********************************************************************
+ * try_map_free_area
+ *
+ * Try mmaping some expected free memory region, and return whether it
+ * succeeded as expected.
+ */
+static BOOL try_map_free_area( void *start, size_t size, int unix_prot )
+{
+ void *map_ptr;
+
+ if ((map_ptr = wine_anon_mmap(start, size, unix_prot, 0)) == start)
+ return TRUE;
+
+ if (map_ptr != (void *)-1)
+ munmap(map_ptr, size);
+
+ return FALSE;
+}
/***********************************************************************
* find_free_area
@@ -550,7 +568,7 @@ static struct file_view *find_view_range( const void *addr, size_t size )
* Find a free area between views inside the specified range.
* The csVirtual section must be held by caller.
*/
-static void *find_free_area( void *base, void *end, size_t size, size_t mask, int top_down )
+static void *find_free_area( void *base, void *end, size_t size, size_t mask, int top_down, BOOL map, int unix_prot )
{
struct wine_rb_entry *first = NULL, *ptr = views_tree.root;
void *start;
@@ -579,33 +597,53 @@ static void *find_free_area( void *base, void *end, size_t size, size_t mask, in
if (top_down)
{
start = ROUND_ADDR( (char *)end - size, mask );
- if (start >= end || start < base) return NULL;
- while (first)
+ for (;;)
{
- struct file_view *view = WINE_RB_ENTRY_VALUE( first, struct file_view, entry );
+ if (start >= end || start < base) return NULL;
+
+ while (first)
+ {
+ struct file_view *view = WINE_RB_ENTRY_VALUE( first, struct file_view, entry );
+
+ if ((char *)view->base + view->size <= (char *)start) break;
+ start = ROUND_ADDR( (char *)view->base - size, mask );
+ /* stop if remaining space is not large enough */
+ if (!start || start >= end || start < base) return NULL;
+ first = wine_rb_prev( first );
+ }
- if ((char *)view->base + view->size <= (char *)start) break;
- start = ROUND_ADDR( (char *)view->base - size, mask );
- /* stop if remaining space is not large enough */
- if (!start || start >= end || start < base) return NULL;
- first = wine_rb_prev( first );
+ if (!map || try_map_free_area(start, size, unix_prot))
+ break;
+
+ TRACE("Found free area is already mapped, start %p.\n", start);
+ start = ROUND_ADDR((char *)start - 1, mask);
}
}
else
{
start = ROUND_ADDR( (char *)base + mask, mask );
- if (!start || start >= end || (char *)end - (char *)start < size) return NULL;
- while (first)
+ for (;;)
{
- struct file_view *view = WINE_RB_ENTRY_VALUE( first, struct file_view, entry );
-
- if ((char *)view->base >= (char *)start + size) break;
- start = ROUND_ADDR( (char *)view->base + view->size + mask, mask );
- /* stop if remaining space is not large enough */
if (!start || start >= end || (char *)end - (char *)start < size) return NULL;
- first = wine_rb_next( first );
+
+ while (first)
+ {
+ struct file_view *view = WINE_RB_ENTRY_VALUE( first, struct file_view, entry );
+
+ if ((char *)view->base >= (char *)start + size) break;
+ start = ROUND_ADDR( (char *)view->base + view->size + mask, mask );
+ /* stop if remaining space is not large enough */
+ if (!start || start >= end || (char *)end - (char *)start < size) return NULL;
+ first = wine_rb_next( first );
+ }
+
+ if (!map || try_map_free_area(start, size, unix_prot))
+ break;
+
+ TRACE("Found free area is already mapped, start %p.\n", start);
+ start = (char *)start + mask + 1;
}
}
return start;
@@ -1101,13 +1139,13 @@ static int alloc_reserved_area_callback( void *start, size_t size, void *arg )
{
/* range is split in two by the preloader reservation, try first part */
if ((alloc->result = find_free_area( start, preload_reserve_start, alloc->size,
- alloc->mask, alloc->top_down )))
+ alloc->mask, alloc->top_down, FALSE, 0 )))
return 1;
/* then fall through to try second part */
start = preload_reserve_end;
}
}
- if ((alloc->result = find_free_area( start, end, alloc->size, alloc->mask, alloc->top_down )))
+ if ((alloc->result = find_free_area( start, end, alloc->size, alloc->mask, alloc->top_down, FALSE, 0 )))
return 1;
return 0;
@@ -1210,14 +1248,18 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
goto done;
}
- for (;;)
+ if (zero_bits_64)
{
- if (!zero_bits_64)
- ptr = NULL;
- else if (!(ptr = find_free_area( (void*)0, alloc.limit, view_size, mask, top_down )))
+ if (!(ptr = find_free_area(address_space_start, alloc.limit, size,
+ mask, top_down, TRUE, VIRTUAL_GetUnixProt(vprot))))
return STATUS_NO_MEMORY;
+ TRACE( "got mem with find_free_area %p-%p\n", ptr, (char *)ptr + size );
+ goto done;
+ }
- if ((ptr = wine_anon_mmap( ptr, view_size, VIRTUAL_GetUnixProt(vprot), ptr ? MAP_FIXED : 0 )) == (void *)-1)
+ for (;;)
+ {
+ if ((ptr = wine_anon_mmap(NULL, view_size, VIRTUAL_GetUnixProt(vprot), 0 )) == (void *)-1)
{
if (errno == ENOMEM) return STATUS_NO_MEMORY;
return STATUS_INVALID_PARAMETER;
--
2.23.0

View File

@ -1,2 +0,0 @@
Fixes: [47974] X Rebirth: NtVirtualAlloc() does not find available memory with nonzero bitmask

View File

@ -1,4 +1,4 @@
From 54b9382fdda1798216b23db8273c79aaf649f8ff Mon Sep 17 00:00:00 2001
From 83230b22cd21e6d055401fa0da1e543cbe80bbef Mon Sep 17 00:00:00 2001
From: Paul Gofman <gofmanp@gmail.com>
Date: Mon, 25 Nov 2019 12:19:20 +0300
Subject: [PATCH] ntdll: Force bottom up allocation order for 64 bit arch
@ -11,10 +11,10 @@ Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46568
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 9666e2051e..23acca6378 100644
index 8b515fcbce3..2d0cbf652a9 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -1231,14 +1231,20 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
@@ -1266,14 +1266,20 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
}
else
{
@ -36,16 +36,16 @@ index 9666e2051e..23acca6378 100644
if (wine_mmap_enum_reserved_areas( alloc_reserved_area_callback, &alloc, top_down ))
{
ptr = alloc.result;
@@ -1248,7 +1254,7 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
@@ -1283,7 +1289,7 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
goto done;
}
- if (zero_bits_64)
+ if (is_win64 || zero_bits_64)
{
if (!(ptr = find_free_area(address_space_start, alloc.limit, size,
mask, top_down, TRUE, VIRTUAL_GetUnixProt(vprot))))
@@ -1257,6 +1263,8 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
if (!(ptr = map_free_area( address_space_start, alloc.limit, size, mask, top_down, VIRTUAL_GetUnixProt(vprot) )))
return STATUS_NO_MEMORY;
@@ -1291,6 +1297,8 @@ static NTSTATUS map_view( struct file_view **view_ret, void *base, size_t size,
goto done;
}
@ -53,7 +53,7 @@ index 9666e2051e..23acca6378 100644
+
for (;;)
{
if ((ptr = wine_anon_mmap(NULL, view_size, VIRTUAL_GetUnixProt(vprot), 0 )) == (void *)-1)
if ((ptr = wine_anon_mmap( NULL, view_size, VIRTUAL_GetUnixProt(vprot), 0 )) == (void *)-1)
--
2.23.0
2.24.0

View File

@ -1,4 +1,3 @@
Fixes: [48175] AION (64 bit) - crashes in crysystem.dll.CryFree() due to high memory pointers allocated
Fixes: [46568] 64-bit msxml6.dll from Microsoft Core XML Services 6.0 redist package fails to load (Wine doesn't respect 44-bit user-mode VA limitation from Windows < 8.1)
Depends: ntdll-BitmaskAllocAreaSearch

View File

@ -52,7 +52,7 @@ usage()
# Get the upstream commit sha
upstream_commit()
{
echo "6dd84c53b55ecfa2e2735a914cb126fa0c4b23a5"
echo "fa97cbdf14883fb301dcc0a5264369f8ed184182"
}
# Show version information
@ -182,7 +182,6 @@ patch_enable_all ()
enable_ntdll_APC_Performance="$1"
enable_ntdll_Activation_Context="$1"
enable_ntdll_ApiSetMap="$1"
enable_ntdll_BitmaskAllocAreaSearch="$1"
enable_ntdll_Builtin_Prot="$1"
enable_ntdll_CriticalSection="$1"
enable_ntdll_DOS_Attributes="$1"
@ -680,9 +679,6 @@ patch_enable ()
ntdll-ApiSetMap)
enable_ntdll_ApiSetMap="$2"
;;
ntdll-BitmaskAllocAreaSearch)
enable_ntdll_BitmaskAllocAreaSearch="$2"
;;
ntdll-Builtin_Prot)
enable_ntdll_Builtin_Prot="$2"
;;
@ -1864,13 +1860,6 @@ if test "$enable_ntdll_HashLinks" -eq 1; then
enable_ntdll_LDR_MODULE=1
fi
if test "$enable_ntdll_ForceBottomUpAlloc" -eq 1; then
if test "$enable_ntdll_BitmaskAllocAreaSearch" -gt 1; then
abort "Patchset ntdll-BitmaskAllocAreaSearch disabled, but ntdll-ForceBottomUpAlloc depends on that."
fi
enable_ntdll_BitmaskAllocAreaSearch=1
fi
if test "$enable_ntdll_DOS_Attributes" -eq 1; then
if test "$enable_ntdll_Junction_Points" -gt 1; then
abort "Patchset ntdll-Junction_Points disabled, but ntdll-DOS_Attributes depends on that."
@ -4687,21 +4676,6 @@ if test "$enable_ntdll_ApiSetMap" -eq 1; then
) >> "$patchlist"
fi
# Patchset ntdll-BitmaskAllocAreaSearch
# |
# | This patchset fixes the following Wine bugs:
# | * [#47974] X Rebirth: NtVirtualAlloc() does not find available memory with nonzero bitmask
# |
# | Modified files:
# | * dlls/ntdll/virtual.c
# |
if test "$enable_ntdll_BitmaskAllocAreaSearch" -eq 1; then
patch_apply ntdll-BitmaskAllocAreaSearch/0001-ntdll-Fix-free-area-search-outside-of-reserved-area-.patch
(
printf '%s\n' '+ { "Paul Gofman", "ntdll: Fix free area search outside of reserved area in map_view() for non-zero bitmask.", 1 },';
) >> "$patchlist"
fi
# Patchset ntdll-Builtin_Prot
# |
# | This patchset has the following (direct or indirect) dependencies:
@ -4844,9 +4818,6 @@ fi
# Patchset ntdll-ForceBottomUpAlloc
# |
# | This patchset has the following (direct or indirect) dependencies:
# | * ntdll-BitmaskAllocAreaSearch
# |
# | This patchset fixes the following Wine bugs:
# | * [#48175] AION (64 bit) - crashes in crysystem.dll.CryFree() due to high memory pointers allocated
# | * [#46568] 64-bit msxml6.dll from Microsoft Core XML Services 6.0 redist package fails to load (Wine doesn't respect