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From: Jeff Layton <jlayton@kernel.org>
To: Trond Myklebust <trondmy@kernel.org>,
	Anna Schumaker <anna@kernel.org>,
	 Chuck Lever <chuck.lever@oracle.com>,
	NeilBrown <neil@brown.name>,
	 Olga Kornievskaia <okorniev@redhat.com>,
	Dai Ngo <Dai.Ngo@oracle.com>,  Tom Talpey <tom@talpey.com>,
	"David S. Miller" <davem@davemloft.net>,
	 Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	 Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
	 Christian Brauner <brauner@kernel.org>,
	 Benjamin Coddington <bcodding@redhat.com>,
	 Donald Hunter <donald.hunter@gmail.com>,
	 Lorenzo Bianconi <lorenzo@kernel.org>,
	Qi Zheng <qi.zheng@linux.dev>,
	 Andrew Morton <akpm@linux-foundation.org>,
	 Muchun Song <muchun.song@linux.dev>
Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
	 netdev@vger.kernel.org, Jeff Layton <jlayton@kernel.org>
Subject: [PATCH 09/19] nfsd: remove premature NFS4_OO_CONFIRMED in CLAIM_PREVIOUS path
Date: Tue, 09 Jun 2026 13:47:30 -0400	[thread overview]
Message-ID: <20260609-nfsd-testing-v1-9-e83acead2ae8@kernel.org> (raw)
In-Reply-To: <20260609-nfsd-testing-v1-0-e83acead2ae8@kernel.org>

nfsd4_open() sets NFS4_OO_CONFIRMED on the openowner before calling
do_open_fhandle(), which can fail. If it fails, the openowner stays
permanently confirmed despite the OPEN failing. The correct
success-path setter already exists in init_open_stateid().

Remove the premature setter. NFSv4.1+ is unaffected as sessions
always confirm at creation time.

Fixes: a525825df152 ("[PATCH] nfsd4: handle replays of failed open reclaims")
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/nfsd/nfs4proc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 69fee481581d..4fe46996c8ed 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -643,7 +643,6 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 		status = nfs4_check_open_reclaim(cstate->clp);
 		if (status)
 			goto out;
-		open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED;
 		reclaim = true;
 		fallthrough;
 	case NFS4_OPEN_CLAIM_FH:

-- 
2.54.0


  parent reply	other threads:[~2026-06-09 17:48 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-09 17:47 [PATCH 00/19] nfsd: more bugfixes Jeff Layton
2026-06-09 17:47 ` [PATCH 01/19] nfs/localio: fix nfsd_file ref leak on nfs_local_doio() init failure Jeff Layton
2026-06-09 17:47 ` [PATCH 02/19] nfsd: clear opcnt on compound arg release to prevent OOB read Jeff Layton
2026-06-09 17:47 ` [PATCH 03/19] nfsd: add missing read barrier to rpc_status_get dumpit seqcount retry Jeff Layton
2026-06-09 17:47 ` [PATCH 04/19] nfsd: fix netlink dumpit error handling for rpc_status_get Jeff Layton
2026-06-09 17:47 ` [PATCH 05/19] sunrpc: defer rq_argp and rq_resp free until after RCU grace period Jeff Layton
2026-06-09 17:47 ` [PATCH 06/19] nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create() Jeff Layton
2026-06-09 17:47 ` [PATCH 07/19] nfsd: add filehandle match check to nfsd4_delegreturn() Jeff Layton
2026-06-09 17:47 ` [PATCH 08/19] nfsd: validate nseconds in TIME_DELEG decode paths Jeff Layton
2026-06-09 17:47 ` Jeff Layton [this message]
2026-06-09 17:47 ` [PATCH 10/19] nfsd: fix version mismatch loops in nfsd_acl_init_request() Jeff Layton
2026-06-09 17:47 ` [PATCH 11/19] nfsd: fix FL_SLEEP being set unconditionally for all LOCK types Jeff Layton
2026-06-09 17:47 ` [PATCH 12/19] nfsd: add fh_want_write() for early-verified SETATTR in nfsd_proc_setattr() Jeff Layton
2026-06-09 17:47 ` [PATCH 13/19] nfsd: fix clock domain mismatch in clients_still_reclaiming() Jeff Layton
2026-06-09 17:47 ` [PATCH 14/19] nfsd: use test_and_clear_bit for somebody_reclaimed to prevent lost update Jeff Layton
2026-06-09 17:47 ` [PATCH 15/19] nfsd: reject reclaim LOCK after RECLAIM_COMPLETE Jeff Layton
2026-06-09 17:47 ` [PATCH 16/19] nfsd: validate sockaddr length per family in listener_set Jeff Layton
2026-06-09 17:47 ` [PATCH 17/19] lockd, nfsd: RCU-protect nlmsvc_ops dispatch Jeff Layton
2026-06-09 17:47 ` [PATCH 18/19] nfsd: move nfsd_debugfs_init() after nfsd4_init_slabs() in init_nfsd() Jeff Layton
2026-06-09 17:47 ` [PATCH 19/19] nfsd: initialize DRC hash table before registering shrinker Jeff Layton

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