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[ADVAPI32] Avoid excessive allocation in CheckTokenMembership. CORE-16094

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Michael Maltsev 2019-06-03 12:35:58 +03:00 committed by Thomas Faber
parent 17bc3d69f9
commit a303932803
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GPG key ID: 076E7C3D44720826
1 changed files with 2 additions and 2 deletions
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4
dll/win32/advapi32/token/token.c
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@ -100,7 +100,7 @@ CheckTokenMembership(IN HANDLE ExistingTokenHandle,
0,
sizeof(SECURITY_DESCRIPTOR) +
sizeof(ACL) + SidLen +
sizeof(ACCESS_ALLOWED_ACE));
FIELD_OFFSET(ACCESS_ALLOWED_ACE, SidStart));
if (SecurityDescriptor == NULL)
{
Status = STATUS_INSUFFICIENT_RESOURCES;
@ -134,7 +134,7 @@ CheckTokenMembership(IN HANDLE ExistingTokenHandle,
/* create the DACL */
Dacl = (PACL)(SecurityDescriptor + 1);
Status = RtlCreateAcl(Dacl,
sizeof(ACL) + SidLen + sizeof(ACCESS_ALLOWED_ACE),
sizeof(ACL) + SidLen + FIELD_OFFSET(ACCESS_ALLOWED_ACE, SidStart),
ACL_REVISION);
if (!NT_SUCCESS(Status))
{