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NFSD: callback request does not use correct credential for AUTH_SYS

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[ Upstream commit 7de82c2f36 ]

Currently callback request does not use the credential specified in
CREATE_SESSION if the security flavor for the back channel is AUTH_SYS.

Problem was discovered by pynfs 4.1 DELEG5 and DELEG7 test with error:
DELEG5   st_delegation.testCBSecParms     : FAILURE
           expected callback with uid, gid == 17, 19, got 0, 0

Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Fixes: 8276c902bb ("SUNRPC: remove uid and gid from struct auth_cred")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dai Ngo 2023-04-01 13:22:08 -07:00 • committed by Greg Kroah-Hartman
commit 07216da8fb
1 changed files with 2 additions and 2 deletions
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4
fs/nfsd/nfs4callback.c
View file

@ -875,8 +875,8 @@ static const struct cred *get_backchannel_cred(struct nfs4_client *clp, struct r
if (!kcred)
return NULL;
kcred->uid = ses->se_cb_sec.uid;
kcred->gid = ses->se_cb_sec.gid;
kcred->fsuid = ses->se_cb_sec.uid;
kcred->fsgid = ses->se_cb_sec.gid;
return kcred;
}
}