From: "J. Bruce Fields" <[email protected]> If the client uses a special stateid then we'll pass a NULL file to vfs_llseek.
Fixes: 24bab491220f " NFSD: Implement SEEK" Cc: Anna Schumaker <[email protected]> Cc: [email protected] Reported-by: Christoph Hellwig <[email protected]> Signed-off-by: J. Bruce Fields <[email protected]> --- fs/nfsd/nfs4proc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index d0848fc6529e..4a8314f08a0e 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1071,6 +1071,8 @@ nfsd4_seek(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, dprintk("NFSD: nfsd4_seek: couldn't process stateid!\n"); return status; } + if (!file) + return nfserr_bad_stateid; switch (seek->seek_whence) { case NFS4_CONTENT_DATA: -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
