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Merge pull request #12319 from akallabeth/grow-reasonable

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[allocations] fix growth of preallocated buffers
This commit is contained in:
akallabeth
2026-02-17 15:23:17 +01:00
committed by GitHub
parent 50eafef1d7 118afc0b95
commit 1b744c15fe
28 changed files with 154 additions and 105 deletions
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2
channels/drive/client/drive_file.c
View File

@@ -1052,7 +1052,7 @@ BOOL drive_file_query_directory(DRIVE_FILE* file, UINT32 FsInformationClass, BYT
else if (!FindNextFileW(file->find_handle, &file->find_data))
goto out_fail;
length = _wcslen(file->find_data.cFileName) * 2;
length = _wcslen(file->find_data.cFileName) * sizeof(WCHAR);
switch (FsInformationClass)
{

2
channels/remdesk/common/remdesk_common.c
View File

@@ -36,7 +36,7 @@ UINT remdesk_write_channel_header(wStream* s, const REMDESK_CHANNEL_HEADER* head
}
const size_t ChannelNameLen =
(strnlen(header->ChannelName, sizeof(header->ChannelName)) + 1) * 2;
(strnlen(header->ChannelName, sizeof(header->ChannelName)) + 1) * sizeof(WCHAR);
WINPR_ASSERT(ChannelNameLen <= ARRAYSIZE(header->ChannelName));
Stream_Write_UINT32(s, (UINT32)ChannelNameLen); /* ChannelNameLen (4 bytes) */

4
channels/remdesk/server/remdesk_main.c
View File

@@ -185,7 +185,7 @@ static UINT remdesk_recv_ctl_remote_control_desktop_pdu(RemdeskServerContext* co
return ERROR_INVALID_DATA;
cchStringW++;
const size_t cbRaConnectionStringW = cchStringW * 2;
const size_t cbRaConnectionStringW = cchStringW * sizeof(WCHAR);
pdu.raConnectionString =
ConvertWCharNToUtf8Alloc(raConnectionStringW, cbRaConnectionStringW / sizeof(WCHAR), NULL);
if (!pdu.raConnectionString)
@@ -240,7 +240,7 @@ static UINT remdesk_recv_ctl_authenticate_pdu(WINPR_ATTR_UNUSED RemdeskServerCon
return ERROR_INVALID_DATA;
cchStringW++;
const size_t cbExpertBlobW = cchStringW * 2;
const size_t cbExpertBlobW = cchStringW * sizeof(WCHAR);
pdu.raConnectionString =
ConvertWCharNToUtf8Alloc(raConnectionStringW, cbRaConnectionStringW / sizeof(WCHAR), NULL);
if (!pdu.raConnectionString)

4
channels/tsmf/client/ffmpeg/tsmf_ffmpeg.c
View File

@@ -488,12 +488,12 @@ static BOOL tsmf_ffmpeg_decode_audio(ITSMFDecoder* decoder, const BYTE* data, UI
if (mdecoder->decoded_size_max - mdecoder->decoded_size < MAX_AUDIO_FRAME_SIZE)
{
BYTE* tmp_data = NULL;
tmp_data = realloc(mdecoder->decoded_data, mdecoder->decoded_size_max * 2 + 16);
tmp_data = realloc(mdecoder->decoded_data, mdecoder->decoded_size_max * 2ull + 16ull);
if (!tmp_data)
return FALSE;
mdecoder->decoded_size_max = mdecoder->decoded_size_max * 2 + 16;
mdecoder->decoded_size_max = mdecoder->decoded_size_max * 2ull + 16ull;
mdecoder->decoded_data = tmp_data;
dst = (BYTE*)(((uintptr_t)mdecoder->decoded_data + 15) & ~0x0F);

2
channels/tsmf/client/tsmf_media.c
View File

@@ -387,7 +387,7 @@ static char* guid_to_string(const BYTE* guid, char* str, size_t len)
TSMF_PRESENTATION* tsmf_presentation_find_by_id(const BYTE* guid)
{
BOOL found = FALSE;
char guid_str[GUID_SIZE * 2 + 1] = { 0 };
char guid_str[GUID_SIZE * 2ull + 1] = { 0 };
TSMF_PRESENTATION* presentation = NULL;
ArrayList_Lock(presentation_list);
const size_t count = ArrayList_Count(presentation_list);

4
channels/urbdrc/client/libusb/libusb_udevice.c
View File

@@ -917,10 +917,10 @@ static UINT32 libusb_udev_control_query_device_text(IUDEVICE* idev, UINT32 TextT
* So also check the string length returned as server side does
* not honor strings with multi '\0' characters well.
*/
const size_t rchar = _wcsnlen((WCHAR*)&data[2], sizeof(data) / 2);
const size_t rchar = _wcsnlen((WCHAR*)&data[2], sizeof(data) / sizeof(WCHAR));
len = MIN((BYTE)ret - 2, slen);
len = MIN(len, inSize);
len = MIN(len, rchar * 2 + sizeof(WCHAR));
len = MIN(len, rchar * sizeof(WCHAR) + sizeof(WCHAR));
memcpy(Buffer, &data[2], len);
/* Just as above, the returned WCHAR string should be '\0'

14
client/Android/Studio/freeRDPCore/src/main/cpp/android_event.c
View File

@@ -28,10 +28,16 @@ BOOL android_push_event(freerdp* inst, ANDROID_EVENT* event)
if (aCtx->event_queue->count >= aCtx->event_queue->size)
{
int new_size;
void* new_events;
new_size = aCtx->event_queue->size * 2;
new_events = realloc((void*)aCtx->event_queue->events, sizeof(ANDROID_EVENT*) * new_size);
size_t new_size = aCtx->event_queue->size;
do
{
if (new_size >= SIZE_MAX - 128ull)
return FALSE;
new_size += 128ull;
} while (new_size <= aCtx->event_queue->count);
void* new_events =
realloc((void*)aCtx->event_queue->events, sizeof(ANDROID_EVENT*) * new_size);
if (!new_events)
return FALSE;

11
client/Windows/wf_cliprdr.c
View File

@@ -1122,10 +1122,13 @@ static void map_ensure_capacity(wfClipboard* clipboard)
if (clipboard->map_size >= clipboard->map_capacity)
{
size_t new_size;
formatMapping* new_map;
new_size = clipboard->map_capacity * 2;
new_map =
size_t new_size = clipboard->map_capacity;
do
{
WINPR_ASSERT(new_size <= SIZE_MAX - 128ull);
new_size += 128ull;
} while (new_size <= clipboard->map_size);
formatMapping* new_map =
(formatMapping*)realloc(clipboard->format_mappings, sizeof(formatMapping) * new_size);
if (!new_map)

6
client/X11/xf_event.c
View File

@@ -894,10 +894,8 @@ static BOOL xf_event_ConfigureNotify(xfContext* xfc, const XConfigureEvent* even
if (freerdp_settings_get_bool(settings, FreeRDP_DynamicResolutionUpdate))
{
int alignedWidth = 0;
int alignedHeight = 0;
alignedWidth = (xfc->window->width / 2) * 2;
alignedHeight = (xfc->window->height / 2) * 2;
const int alignedWidth = (xfc->window->width / 2) * 2;
const int alignedHeight = (xfc->window->height / 2) * 2;
/* ask the server to resize using the display channel */
xf_disp_handle_configureNotify(xfc, alignedWidth, alignedHeight);
}

3
libfreerdp/core/gcc.c
View File

@@ -1999,7 +1999,8 @@ BOOL gcc_write_server_network_data(wStream* s, const rdpMcs* mcs)
{
WINPR_ASSERT(s);
WINPR_ASSERT(mcs);
const size_t payloadLen = 8 + mcs->channelCount * 2 + (mcs->channelCount % 2 == 1 ? 2 : 0);
const size_t payloadLen =
8ull + mcs->channelCount * 2ull + (mcs->channelCount % 2 == 1 ? 2ull : 0ull);
WINPR_ASSERT(payloadLen <= UINT16_MAX);
if (!gcc_write_user_data_header(s, SC_NET, (UINT16)payloadLen))

2
libfreerdp/core/orders.c
View File

@@ -3302,7 +3302,7 @@ size_t update_approximate_create_offscreen_bitmap_order(
deleteList = &(create_offscreen_bitmap->deleteList);
WINPR_ASSERT(deleteList);
return 32 + deleteList->cIndices * 2;
return 32ull + deleteList->cIndices * 2ull;
}
BOOL update_write_create_offscreen_bitmap_order(

2
libfreerdp/core/proxy.c
View File

@@ -597,7 +597,7 @@ static BOOL http_proxy_connect(rdpContext* context, BIO* bufferedBio, const char
hostLen = strlen(hostname);
portLen = strnlen(port_str, sizeof(port_str));
reserveSize = strlen(connect) + (hostLen + 1 + portLen) * 2 + strlen(httpheader);
reserveSize = strlen(connect) + (hostLen + 1ull + portLen) * 2ull + strlen(httpheader);
s = Stream_New(NULL, reserveSize);
if (!s)
goto fail;

2
libfreerdp/crypto/base64.c
View File

@@ -313,7 +313,7 @@ static inline char* base64_encode_ex(const BYTE* WINPR_RESTRICT alphabet,
if (crLf)
{
size_t nCrLf = (outLen + lineSize - 1) / lineSize;
extra = nCrLf * 2;
extra = nCrLf * 2ull;
}
size_t outCounter = 0;

2
winpr/libwinpr/clipboard/synthetic_file.c
View File

@@ -759,7 +759,7 @@ static void* convert_filedescriptors_to_file_list(wClipboard* clipboard, UINT32
alloc += ARRAYSIZE(dsc->cFileName) *
8; /* Overallocate, just take the biggest value the result path can have */
/* # (1 char) -> %23 (3 chars) , the first char is replaced inplace */
alloc += count_special_chars(dsc->cFileName) * 2;
alloc += count_special_chars(dsc->cFileName) * sizeof(WCHAR);
alloc += decoration_len;
}
}

2
winpr/libwinpr/crt/buffer.c
View File

@@ -39,7 +39,7 @@ errno_t memmove_s(void* dest, size_t numberOfElements, const void* src, size_t c
errno_t wmemmove_s(WCHAR* dest, size_t numberOfElements, const WCHAR* src, size_t count)
{
if (count * 2 > numberOfElements)
if (count * sizeof(WCHAR) > numberOfElements)
return -1;
memmove(dest, src, count * 2);

77
winpr/libwinpr/environment/environment.c
View File

@@ -30,6 +30,10 @@
#include <winpr/environment.h>
#include "../log.h"
#define TAG WINPR_TAG("environment")
#ifndef _WIN32
#include <errno.h>
@@ -100,19 +104,19 @@ DWORD GetCurrentDirectoryA(DWORD nBufferLength, LPSTR lpBuffer)
DWORD GetCurrentDirectoryW(WINPR_ATTR_UNUSED DWORD nBufferLength, WINPR_ATTR_UNUSED LPWSTR lpBuffer)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return 0;
}
BOOL SetCurrentDirectoryA(WINPR_ATTR_UNUSED LPCSTR lpPathName)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return TRUE;
}
BOOL SetCurrentDirectoryW(WINPR_ATTR_UNUSED LPCWSTR lpPathName)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return TRUE;
}
@@ -120,7 +124,7 @@ DWORD SearchPathA(WINPR_ATTR_UNUSED LPCSTR lpPath, WINPR_ATTR_UNUSED LPCSTR lpFi
WINPR_ATTR_UNUSED LPCSTR lpExtension, WINPR_ATTR_UNUSED DWORD nBufferLength,
WINPR_ATTR_UNUSED LPSTR lpBuffer, WINPR_ATTR_UNUSED LPSTR* lpFilePart)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return 0;
}
@@ -128,31 +132,31 @@ DWORD SearchPathW(WINPR_ATTR_UNUSED LPCWSTR lpPath, WINPR_ATTR_UNUSED LPCWSTR lp
WINPR_ATTR_UNUSED LPCWSTR lpExtension, WINPR_ATTR_UNUSED DWORD nBufferLength,
WINPR_ATTR_UNUSED LPWSTR lpBuffer, WINPR_ATTR_UNUSED LPWSTR* lpFilePart)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return 0;
}
LPSTR GetCommandLineA(VOID)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return NULL;
}
LPWSTR GetCommandLineW(VOID)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return NULL;
}
BOOL NeedCurrentDirectoryForExePathA(WINPR_ATTR_UNUSED LPCSTR ExeName)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return TRUE;
}
BOOL NeedCurrentDirectoryForExePathW(WINPR_ATTR_UNUSED LPCWSTR ExeName)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return TRUE;
}
@@ -192,7 +196,7 @@ DWORD GetEnvironmentVariableA(LPCSTR lpName, LPSTR lpBuffer, DWORD nSize)
DWORD GetEnvironmentVariableW(WINPR_ATTR_UNUSED LPCWSTR lpName, WINPR_ATTR_UNUSED LPWSTR lpBuffer,
WINPR_ATTR_UNUSED DWORD nSize)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
SetLastError(ERROR_ENVVAR_NOT_FOUND);
return 0;
}
@@ -224,7 +228,7 @@ BOOL SetEnvironmentVariableA(LPCSTR lpName, LPCSTR lpValue)
BOOL SetEnvironmentVariableW(WINPR_ATTR_UNUSED LPCWSTR lpName, WINPR_ATTR_UNUSED LPCWSTR lpValue)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return FALSE;
}
@@ -249,32 +253,35 @@ extern char** environ;
LPCH GetEnvironmentStringsA(VOID)
{
#if !defined(_UWP)
char* p = NULL;
size_t offset = 0;
size_t length = 0;
char** envp = NULL;
DWORD cchEnvironmentBlock = 0;
LPCH lpszEnvironmentBlock = NULL;
char** envp = environ;
const size_t blocksize = 128;
size_t cchEnvironmentBlock = blocksize;
LPCH lpszEnvironmentBlock = (LPCH)calloc(cchEnvironmentBlock, sizeof(CHAR));
offset = 0;
envp = environ;
cchEnvironmentBlock = 128;
lpszEnvironmentBlock = (LPCH)calloc(cchEnvironmentBlock, sizeof(CHAR));
if (!lpszEnvironmentBlock)
return NULL;
while (*envp)
{
length = strlen(*envp);
while ((offset + length + 8) > cchEnvironmentBlock)
const size_t length = strlen(*envp);
const size_t required = offset + length + 8ull;
if (required > UINT32_MAX)
{
DWORD new_size = 0;
LPCH new_blk = NULL;
WLog_ERR(TAG, "Environment block too large: %" PRIuz, required);
new_size = cchEnvironmentBlock * 2;
new_blk = (LPCH)realloc(lpszEnvironmentBlock, new_size * sizeof(CHAR));
free(lpszEnvironmentBlock);
return NULL;
}
if (required > cchEnvironmentBlock)
{
size_t new_size = cchEnvironmentBlock;
do
{
new_size += blocksize;
} while (new_size <= required);
LPCH new_blk = (LPCH)realloc(lpszEnvironmentBlock, new_size * sizeof(CHAR));
if (!new_blk)
{
free(lpszEnvironmentBlock);
@@ -285,12 +292,12 @@ LPCH GetEnvironmentStringsA(VOID)
cchEnvironmentBlock = new_size;
}
p = &(lpszEnvironmentBlock[offset]);
char* p = &(lpszEnvironmentBlock[offset]);
CopyMemory(p, *envp, length * sizeof(CHAR));
p[length] = '\0';
offset += (length + 1);
offset += (length + 1ull);
envp++;
}
@@ -304,33 +311,33 @@ LPCH GetEnvironmentStringsA(VOID)
LPWCH GetEnvironmentStringsW(VOID)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return NULL;
}
BOOL SetEnvironmentStringsA(WINPR_ATTR_UNUSED LPCH NewEnvironment)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return TRUE;
}
BOOL SetEnvironmentStringsW(WINPR_ATTR_UNUSED LPWCH NewEnvironment)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return TRUE;
}
DWORD ExpandEnvironmentStringsA(WINPR_ATTR_UNUSED LPCSTR lpSrc, WINPR_ATTR_UNUSED LPSTR lpDst,
WINPR_ATTR_UNUSED DWORD nSize)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return 0;
}
DWORD ExpandEnvironmentStringsW(WINPR_ATTR_UNUSED LPCWSTR lpSrc, WINPR_ATTR_UNUSED LPWSTR lpDst,
WINPR_ATTR_UNUSED DWORD nSize)
{
WLog_ERR("TODO", "TODO: not implemented");
WLog_ERR(TAG, "TODO: not implemented");
return 0;
}

2
winpr/libwinpr/file/file.c
View File

@@ -1403,7 +1403,7 @@ DWORD GetFullPathNameA(LPCSTR lpFileName, DWORD nBufferLength, LPSTR lpBuffer, L
free(lpFileNameW);
free(lpBufferW);
return dwStatus * 2;
return WINPR_ASSERTING_INT_CAST(DWORD, dwStatus * sizeof(WCHAR));
}
BOOL GetDiskFreeSpaceA(LPCSTR lpRootPathName, LPDWORD lpSectorsPerCluster, LPDWORD lpBytesPerSector,

4
winpr/libwinpr/ncrypt/ncrypt.c
View File

@@ -120,7 +120,7 @@ SECURITY_STATUS NCryptEnumStorageProviders(DWORD* wProviderCount,
#ifdef WITH_PKCS11
*wProviderCount += 1;
stringAllocSize += (_wcslen(MS_SCARD_PROV) + 1) * 2;
stringAllocSize += (_wcslen(MS_SCARD_PROV) + 1) * sizeof(WCHAR);
stringAllocSize += sizeof(emptyComment);
#endif
@@ -135,7 +135,7 @@ SECURITY_STATUS NCryptEnumStorageProviders(DWORD* wProviderCount,
strPtr = (LPWSTR)(ret + *wProviderCount);
ret->pszName = strPtr;
copyAmount = (_wcslen(MS_SCARD_PROV) + 1) * 2;
copyAmount = (_wcslen(MS_SCARD_PROV) + 1) * sizeof(WCHAR);
memcpy(strPtr, MS_SCARD_PROV, copyAmount);
strPtr += copyAmount / 2;

7
winpr/libwinpr/ncrypt/ncrypt_pkcs11.c
View File

@@ -821,11 +821,12 @@ static SECURITY_STATUS NCryptP11EnumKeys(NCRYPT_PROV_HANDLE hProvider, LPCWSTR p
{
/* sizeof keyName struct + "\<slotId>\<certId>" + keyName->pszAlgid */
DWORD algoSz = 0;
size_t KEYNAME_SZ =
(1 + (sizeof(key->slotId) * 2) /*slotId*/ + 1 + (key->idLen * 2) + 1) * 2;
size_t KEYNAME_SZ = (1ull + (sizeof(key->slotId) * 2ull) /*slotId*/ + 1ull +
(key->idLen * 2ull) + 1ull) *
sizeof(WCHAR);
convertKeyType(key->keyType, NULL, 0, &algoSz);
KEYNAME_SZ += (1ULL + algoSz) * 2ULL;
KEYNAME_SZ += (1ULL + algoSz) * sizeof(WCHAR);
keyName = calloc(1, sizeof(*keyName) + KEYNAME_SZ);
if (!keyName)

6
winpr/libwinpr/path/include/PathAllocCombine.h
View File

@@ -78,7 +78,7 @@ HRESULT PATH_ALLOC_COMBINE(PCWSTR pszPathIn, PCWSTR pszMore,
else
{
const size_t pszPathOutLength = pszPathInLength + pszMoreLength;
const size_t sizeOfBuffer = (pszPathOutLength + 1) * 2;
const size_t sizeOfBuffer = (pszPathOutLength + 1) * sizeof(WCHAR);
PWSTR pszPathOut = (PWSTR)calloc(sizeOfBuffer, 2);
if (!pszPathOut)
@@ -131,7 +131,7 @@ HRESULT PATH_ALLOC_COMBINE(PCSTR pszPathIn, PCSTR pszMore, WINPR_ATTR_UNUSED uns
if ((pszPathIn[1] == ':') && (pszPathIn[2] == CUR_PATH_SEPARATOR_CHR))
{
const size_t pszPathOutLength = 2 + pszMoreLength;
const size_t sizeOfBuffer = (pszPathOutLength + 1) * 2;
const size_t sizeOfBuffer = (pszPathOutLength + 1) * sizeof(WCHAR);
PSTR pszPathOut = calloc(sizeOfBuffer, 2);
if (!pszPathOut)
@@ -145,7 +145,7 @@ HRESULT PATH_ALLOC_COMBINE(PCSTR pszPathIn, PCSTR pszMore, WINPR_ATTR_UNUSED uns
else
{
const size_t pszPathOutLength = pszPathInLength + pszMoreLength;
const size_t sizeOfBuffer = (pszPathOutLength + 1) * 2;
const size_t sizeOfBuffer = (pszPathOutLength + 1) * sizeof(WCHAR);
PSTR pszPathOut = calloc(sizeOfBuffer, 2);
if (!pszPathOut)

4
winpr/libwinpr/sspi/NTLM/ntlm_message.c
View File

@@ -1285,11 +1285,11 @@ SECURITY_STATUS ntlm_write_AuthenticateMessage(NTLM_CONTEXT* context, SecBuffer*
if (credentials->identity.DomainLength > 0)
{
message->NegotiateFlags |= NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED;
message->DomainName.Len = (UINT16)credentials->identity.DomainLength * 2;
message->DomainName.Len = (UINT16)credentials->identity.DomainLength * sizeof(WCHAR);
message->DomainName.Buffer = (BYTE*)credentials->identity.Domain;
}
message->UserName.Len = (UINT16)credentials->identity.UserLength * 2;
message->UserName.Len = (UINT16)credentials->identity.UserLength * sizeof(WCHAR);
message->UserName.Buffer = (BYTE*)credentials->identity.User;
message->LmChallengeResponse.Len = (UINT16)context->LmChallengeResponse.cbBuffer;
message->LmChallengeResponse.Buffer = (BYTE*)context->LmChallengeResponse.pvBuffer;

15
winpr/libwinpr/utils/collections/BufferPool.c
View File

@@ -127,9 +127,20 @@ static BOOL BufferPool_ShiftUsed(wBufferPool* pool, SSIZE_T index, SSIZE_T count
{
if (count > 0)
{
if (pool->uSize + count > pool->uCapacity)
const SSIZE_T required = pool->uSize + count;
// check for overflow
if ((required < count) || (required < pool->uSize))
return FALSE;
if (required > pool->uCapacity)
{
SSIZE_T newUCapacity = pool->uCapacity * 2;
SSIZE_T newUCapacity = pool->uCapacity;
do
{
if (newUCapacity > SIZE_MAX - 128ull)
return FALSE;
newUCapacity += 128ull;
} while (newUCapacity <= required);
wBufferPoolItem* newUArray = NULL;
if (pool->alignment > 0)
newUArray = (wBufferPoolItem*)winpr_aligned_realloc(

19
winpr/libwinpr/utils/collections/MessageQueue.c
View File

@@ -96,16 +96,25 @@ static BOOL MessageQueue_EnsureCapacity(wMessageQueue* queue, size_t count)
{
WINPR_ASSERT(queue);
if (queue->size + count >= queue->capacity)
const size_t required = queue->size + count;
// check for overflow
if ((required < queue->size) || (required < count))
return FALSE;
if (required >= queue->capacity)
{
wMessage* new_arr = NULL;
size_t old_capacity = queue->capacity;
size_t new_capacity = queue->capacity * 2;
size_t new_capacity = queue->capacity;
if (new_capacity < queue->size + count)
if (new_capacity < required)
{
new_capacity = queue->size + count;
// check for overflow
if (new_capacity < old_capacity)
return FALSE;
}
new_arr = (wMessage*)realloc(queue->array, sizeof(wMessage) * new_capacity);
wMessage* new_arr = (wMessage*)realloc(queue->array, sizeof(wMessage) * new_capacity);
if (!new_arr)
return FALSE;
queue->array = new_arr;

15
winpr/libwinpr/utils/collections/ObjectPool.c
View File

@@ -92,13 +92,18 @@ void ObjectPool_Return(wObjectPool* pool, void* obj)
{
ObjectPool_Lock(pool);
if ((pool->size + 1) >= pool->capacity)
WINPR_ASSERT(pool->size < SIZE_MAX);
const size_t required = pool->size + 1ull;
if (required >= pool->capacity)
{
size_t new_cap = 0;
void** new_arr = NULL;
size_t new_cap = pool->capacity;
do
{
WINPR_ASSERT(new_cap <= SIZE_MAX - 128ull);
new_cap += 128ull;
} while (new_cap <= required);
new_cap = pool->capacity * 2;
new_arr = (void**)realloc((void*)pool->array, sizeof(void*) * new_cap);
void** new_arr = (void**)realloc((void*)pool->array, sizeof(void*) * new_cap);
if (!new_arr)
goto out;

18
winpr/libwinpr/utils/collections/PubSub.c
View File

@@ -94,13 +94,19 @@ void PubSub_AddEventTypes(wPubSub* pubSub, wEventType* events, size_t count)
if (pubSub->synchronized)
PubSub_Lock(pubSub);
while (pubSub->count + count >= pubSub->size)
{
size_t new_size = 0;
wEventType* new_event = NULL;
const size_t required = pubSub->count + count;
WINPR_ASSERT((required >= pubSub->count) && (required >= count));
new_size = pubSub->size * 2;
new_event = (wEventType*)realloc(pubSub->events, new_size * sizeof(wEventType));
if (required >= pubSub->size)
{
size_t new_size = pubSub->size;
do
{
WINPR_ASSERT(new_size <= SIZE_MAX - 128ull);
new_size += 128ull;
} while (new_size <= required);
wEventType* new_event = (wEventType*)realloc(pubSub->events, new_size * sizeof(wEventType));
if (!new_event)
goto fail;
pubSub->size = new_size;

10
winpr/libwinpr/utils/collections/Stack.c
View File

@@ -141,9 +141,15 @@ void Stack_Push(wStack* stack, void* obj)
if (stack->synchronized)
EnterCriticalSection(&stack->lock);
if ((stack->size + 1) >= stack->capacity)
WINPR_ASSERT(stack->size < SIZE_MAX);
if ((stack->size + 1ull) >= stack->capacity)
{
const size_t new_cap = stack->capacity * 2;
size_t new_cap = stack->capacity;
do
{
WINPR_ASSERT(new_cap <= SIZE_MAX - 128ull);
new_cap += 128ull;
} while (new_cap <= stack->size + 1ull);
void** new_arr = (void**)realloc((void*)stack->array, sizeof(void*) * new_cap);
if (!new_arr)

15
winpr/libwinpr/utils/stream.c
View File

@@ -46,20 +46,19 @@ BOOL Stream_EnsureCapacity(wStream* s, size_t size)
WINPR_ASSERT(s);
if (s->capacity < size)
{
size_t position = 0;
size_t old_capacity = 0;
size_t new_capacity = 0;
BYTE* new_buf = NULL;
old_capacity = s->capacity;
new_capacity = old_capacity;
size_t old_capacity = s->capacity;
size_t new_capacity = old_capacity;
do
{
new_capacity *= 2;
} while (new_capacity < size);
if (new_capacity > SIZE_MAX - 128ull)
return FALSE;
new_capacity += 128ull;
} while (new_capacity <= size);
position = Stream_GetPosition(s);
const size_t position = Stream_GetPosition(s);
if (!s->isOwner)
{

5
winpr/tools/makecert/makecert.c
View File

@@ -78,12 +78,9 @@ static char* makecert_read_str(BIO* bio, size_t* pOffset)
while (offset >= length)
{
size_t new_len = 0;
size_t readBytes = 0;
char* new_str = NULL;
new_len = length * 2;
if (new_len == 0)
new_len = 2048;
size_t new_len = length + 2048ull;
if (new_len > INT_MAX)
{