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[NTOS:OB] Acquire the lock before setting directory's session ID

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George Bișoc 2021-09-23 18:11:02 +02:00
parent 0b4763f1b1
commit 19cdb521d2
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1 changed files with 9 additions and 1 deletions
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10
ntoskrnl/ob/oblife.c
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@ -1849,9 +1849,17 @@ NtSetInformationObject(IN HANDLE ObjectHandle,
NULL); NULL);
if (NT_SUCCESS(Status)) if (NT_SUCCESS(Status))
{ {
/* FIXME: Missng locks */ /* Setup a lookup context */
OBP_LOOKUP_CONTEXT LookupContext;
ObpInitializeLookupContext(&LookupContext);
/* Set its session ID */ /* Set its session ID */
ObpAcquireDirectoryLockExclusive(Directory, &LookupContext);
Directory->SessionId = PsGetCurrentProcessSessionId(); Directory->SessionId = PsGetCurrentProcessSessionId();
ObpReleaseDirectoryLock(Directory, &LookupContext);
/* We're done, release the context and dereference the directory */
ObpReleaseLookupContext(&LookupContext);
ObDereferenceObject(Directory); ObDereferenceObject(Directory);
} }
} }