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nfsd4: fix discarded security labels on setattr 

Security labels in setattr calls are currently ignored because we forget
to set label->len.

Cc: stable@vger.kernel.org
Reported-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2013-11-01 10:42:15 -04:00
parent 8217d146ab
commit 3378b7f40d
1 changed files with 1 additions and 0 deletions
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1
fs/nfsd/nfs4xdr.c
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@ -411,6 +411,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval,
label->data = kzalloc(dummy32 + 1, GFP_KERNEL);
if (!label->data)
return nfserr_jukebox;
label->len = dummy32;
defer_free(argp, kfree, label->data);
memcpy(label->data, buf, dummy32);
}