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| author | J. Bruce Fields <bfields@redhat.com> | 2014-03-12 01:58:57 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-05-31 01:31:59 +0400 |
| commit | 89ff884ebbd0a667253dd61ade8a0e70b787c84a (patch) | |
| tree | 83e49e034c99c8821fafa064e033837c46c15f82 /fs/nfsd | |
| parent | 6ff9897d2bcf4036dfd139caeddd6f0a51c9ca06 (diff) | |
| download | linux-89ff884ebbd0a667253dd61ade8a0e70b787c84a.tar.xz | |
nfsd4: nfsd4_check_resp_size should check against whole buffer
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 8ce6c8d5ee8a..0eeba2199c8c 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -3762,7 +3762,6 @@ __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *resp, u32 respsize) { struct xdr_buf *buf = &resp->rqstp->rq_res; struct nfsd4_session *session = resp->cstate.session; - int slack_bytes = (char *)resp->xdr.end - (char *)resp->xdr.p; if (nfsd4_has_session(&resp->cstate)) { struct nfsd4_slot *slot = resp->cstate.slot; @@ -3775,7 +3774,7 @@ __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *resp, u32 respsize) return nfserr_rep_too_big_to_cache; } - if (respsize > slack_bytes) { + if (buf->len + respsize > buf->buflen) { WARN_ON_ONCE(nfsd4_has_session(&resp->cstate)); return nfserr_resource; } |