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Windows: AFSProcessUserFsRequest NULL dereference

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Protect against an Irp with a NULL FsContext2 field.
These represent Irps that are not intended for our device
since they do not have an AFSCcb associated with it.

Change-Id: I2cf6b60e022df5074482544ef3142374149e38d6
Reviewed-on: http://gerrit.openafs.org/7971
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
This commit is contained in:
Jeffrey Altman 2012-08-13 17:56:02 -04:00
parent 165c9e7465
commit aaa1844b8f
1 changed files with 1 additions and 0 deletions
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src/WINNT/afsrdr/kernel/lib/AFSFSControl.cpp
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@ -172,6 +172,7 @@ AFSProcessUserFsRequest( IN PIRP Irp)
pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2; pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
if( pFcb == NULL || if( pFcb == NULL ||
pCcb == NULL ||
pCcb->DirectoryCB == NULL) pCcb->DirectoryCB == NULL)
{ {