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ntdll: Don't check "info" for NULL in NtQuerySystemInformation(SystemModuleInformation). 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-10-26 18:40:06 -05:00 committed by Alexandre Julliard
parent 93107c08f5
commit 6257da8b42
1 changed files with 17 additions and 20 deletions
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37
dlls/ntdll/unix/system.c
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@ -2333,30 +2333,27 @@ NTSTATUS WINAPI NtQuerySystemInformation( SYSTEM_INFORMATION_CLASS class,
"\\SystemRoot\\system32\\drivers\\mountmgr.sys"
};
if (!info) ret = STATUS_ACCESS_VIOLATION;
else
{
ULONG i;
SYSTEM_MODULE_INFORMATION *smi = info;
ULONG i;
SYSTEM_MODULE_INFORMATION *smi = info;
len = offsetof( SYSTEM_MODULE_INFORMATION, Modules[ARRAY_SIZE(fake_modules)] );
if (len <= size)
len = offsetof( SYSTEM_MODULE_INFORMATION, Modules[ARRAY_SIZE(fake_modules)] );
if (len <= size)
{
memset( smi, 0, len );
for (i = 0; i < ARRAY_SIZE(fake_modules); i++)
{
memset( smi, 0, len );
for (i = 0; i < ARRAY_SIZE(fake_modules); i++)
{
SYSTEM_MODULE *sm = &smi->Modules[i];
sm->ImageBaseAddress = (char *)0x10000000 + 0x200000 * i;
sm->ImageSize = 0x200000;
sm->LoadOrderIndex = i;
sm->LoadCount = 1;
strcpy( (char *)sm->Name, fake_modules[i] );
sm->NameOffset = strrchr( fake_modules[i], '\\' ) - fake_modules[i] + 1;
}
smi->ModulesCount = i;
SYSTEM_MODULE *sm = &smi->Modules[i];
sm->ImageBaseAddress = (char *)0x10000000 + 0x200000 * i;
sm->ImageSize = 0x200000;
sm->LoadOrderIndex = i;
sm->LoadCount = 1;
strcpy( (char *)sm->Name, fake_modules[i] );
sm->NameOffset = strrchr( fake_modules[i], '\\' ) - fake_modules[i] + 1;
}
else ret = STATUS_INFO_LENGTH_MISMATCH;
smi->ModulesCount = i;
}
else ret = STATUS_INFO_LENGTH_MISMATCH;
break;
}