From nobody Mon Feb 9 09:35:11 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 46D011AC44D; Mon, 26 Jan 2026 02:10:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769393459; cv=none; b=jXPHk5MEg/p2Y7INhoH/pMndjq//G4ESs4+UB7skMJVf9qoqGT7hGgwDFP8rD4RQ4eaLvgyTmvRDJ+MmfKXsDaetudjnIR100qxFPq2pt+zZ5h3pMlCW3+v+tKQKqMCL+zRwKsRH1GbJ6lZuYNvlgERs8ylE9XqeTlQcSxhD2rA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769393459; c=relaxed/simple; bh=kONB/iYaRl0XbyXiSod9ipd+ztmVUUWg295pQet6IYE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=VjkLr6RG1so/BDeHe3lxNtygJJ/We+Xrv5hHqut7HClQN6RczdjZEXczFaKz76S3DGGotjIN+0I02TwNvksr9plwl8/fZIH/11mzLBw8VirBSON1aqdPUliaxA9tE2YhrTLsyXOeBSwpY0FzMbstWzxqRQYCRq7A8QjWN867gGI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.223]) by APP-01 (Coremail) with SMTP id qwCowACHMm4nzXZpURdABg--.35965S2; Mon, 26 Jan 2026 10:10:48 +0800 (CST) From: Haoxiang Li To: trondmy@kernel.org, anna@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, llfamsec@gmail.com, simo@redhat.com, bfields@fieldses.org Cc: linux-nfs@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] sunrpc: fix a resource leak in gss_proxy_save_rsc() Date: Mon, 26 Jan 2026 10:10:47 +0800 Message-Id: <20260126021047.2478741-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowACHMm4nzXZpURdABg--.35965S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKw48Xr47Aw4xKr1UAr1rXrb_yoWfuwb_WF 9rWFs8Xr4fu3W7Zw43JwnIvrWxG345JF18Gr9xKFyayr45tF1vyaykurn8Jr1Dury8Cws3 Jr1kZr9Iqwn7KjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb3xFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxa n2IY04v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4 AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE 17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMI IF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4l IxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvf C2KfnxnUUI43ZEXa7VUbGQ6JUUUUU== X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiDAgTE2l2MUTgkAABsf Content-Type: text/plain; charset="utf-8" In gss_proxy_save_rsc(), if gss_import_sec_context() fails, call gss_mech_put() to release the reources acquired by gss_mech_get_by_OID(). Fixes: 030d794bf498 ("SUNRPC: Use gssproxy upcall for server RPCGSS authent= ication.") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- net/sunrpc/auth_gss/svcauth_gss.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcaut= h_gss.c index a8ec30759a18..cdae1f23adfc 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1268,8 +1268,10 @@ static int gss_proxy_save_rsc(struct cache_detail *c= d, ud->out_handle.len, gm, &rsci.mechctx, &expiry, GFP_KERNEL); - if (status) + if (status) { + gss_mech_put(gm); goto out; + } =20 getboottime64(&boot); expiry -=3D boot.tv_sec; --=20 2.25.1