nfsd4: disallow SEEK with special stateids

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If the client uses a special stateid then we'll pass a NULL file to
vfs_llseek.

Fixes: 24bab49122 " NFSD: Implement SEEK"
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: stable@vger.kernel.org
Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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J. Bruce Fields 2015-04-21 15:25:39 -04:00

parent 5ba4a25ab7

commit 980608fb50

1 changed files with 2 additions and 0 deletions

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fs/nfsd/nfs4proc.c

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