From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C76E1334367; Fri, 21 Nov 2025 13:27:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763731629; cv=none; b=V7Y0jKj4vzG5ivf2M2rxEVMMr9mD1lIOSliWA7Kp07ARBvftwqNfD3naBBvtVTU87fJW4vF7vfxcjiAkR46pHDst+27MtDb9lmfsJNXwhEWk0vUb+X47As7wwu/HHEmMkCsnQU3vgVeCyLpExcO8ETHJ3x7P44ik+AJ7Kpc9EKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763731629; c=relaxed/simple; bh=HYrUEAVXZqgCx8jMSR2Ifk2lGrFkl5+1qyfhMtMgrYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qslb59IGjk7lbRmMV2KbWBlwDYEMYlmSXu64DwiDyQ8bz/i5touyBAXbNfsm7xk+NWvjgaiH/jt9lIQCygymV0RTLUaVY2/fu13rom83cX2zUWq2poGOpJnfL83pPXhlGVfU3y5ijAh0henZD2deW2hdb/V4odhAOmW2/qzriIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PdmIdmQX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="PdmIdmQX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4B9ADC4CEF1; Fri, 21 Nov 2025 13:27:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763731629; bh=HYrUEAVXZqgCx8jMSR2Ifk2lGrFkl5+1qyfhMtMgrYg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PdmIdmQXEKbKEmHRIBmdbSVR6w+1sx0y5dW1qWzdaq8xRjr8W/IpTiPKlghY+1WiR oB07MnjMb8hTHZrlOAPwwCXZaAvFtATL6Pw4ro3J9Rld0fOGFkkFXZunWBSIsWgme4 RqIWehqUf4fMf3hp4SwULC2mxSTqoOPv4Vtxnx0k= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, ChenXiaoSong , ZhangGuoDong , Namjae Jeon , Steve French , Sasha Levin Subject: [PATCH 6.12 027/185] smb/server: fix possible refcount leak in smb2_sess_setup() Date: Fri, 21 Nov 2025 14:10:54 +0100 Message-ID: <20251121130144.854410706@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251121130143.857798067@linuxfoundation.org> References: <20251121130143.857798067@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: ZhangGuoDong [ Upstream commit 379510a815cb2e64eb0a379cb62295d6ade65df0 ] Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put(). Co-developed-by: ChenXiaoSong Signed-off-by: ChenXiaoSong Signed-off-by: ZhangGuoDong Acked-by: Namjae Jeon Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/smb/server/smb2pdu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index 67021dc6dfd81..cd42d25812661 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -1798,6 +1798,7 @@ int smb2_sess_setup(struct ksmbd_work *work) if (ksmbd_conn_need_reconnect(conn)) { rc = -EFAULT; + ksmbd_user_session_put(sess); sess = NULL; goto out_err; } -- 2.51.0