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authorOlga Kornievskaia <okorniev@redhat.com>2025-03-21 20:13:04 -0400
committerChuck Lever <chuck.lever@oracle.com>2025-05-11 19:48:25 -0400
commit0813c5f01249dbc32ccbc68d27a24fde5bf2901c (patch)
tree8f237cd47566a1b71376eaa2dece34dfadc4f037
parentc447d2ac987bb5e155ed817a61db29978e684339 (diff)
nfsd: fix access checking for NLM under XPRTSEC policies
When an export policy with xprtsec policy is set with "tls" and/or "mtls", but an NFS client is doing a v3 xprtsec=tls mount, then NLM locking calls fail with an error because there is currently no support for NLM with TLS. Until such support is added, allow NLM calls under TLS-secured policy. Fixes: 4cc9b9f2bf4d ("nfsd: refine and rename NFSD_MAY_LOCK") Cc: stable@vger.kernel.org Signed-off-by: Olga Kornievskaia <okorniev@redhat.com> Reviewed-by: NeilBrown <neil@brown.name> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
-rw-r--r--fs/nfsd/export.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 0363720280d4..88ae410b4113 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -1124,7 +1124,8 @@ __be32 check_nfsd_access(struct svc_export *exp, struct svc_rqst *rqstp,
test_bit(XPT_PEER_AUTH, &xprt->xpt_flags))
goto ok;
}
- goto denied;
+ if (!may_bypass_gss)
+ goto denied;
ok:
/* legacy gss-only clients are always OK: */