From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DEC2EB64D7 for ; Mon, 26 Jun 2023 21:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231681AbjFZVyT (ORCPT ); Mon, 26 Jun 2023 17:54:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231665AbjFZVxc (ORCPT ); Mon, 26 Jun 2023 17:53:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B17D273F; Mon, 26 Jun 2023 14:51:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9C0BD60F70; Mon, 26 Jun 2023 21:51:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E337FC43391; Mon, 26 Jun 2023 21:51:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687816279; bh=sBkglsaDnwOkcI2kCnoA34AtBWoZOKhM/qzwWI3FR7o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XnKWxHjdjLND0VkvcDvk3cb5fZU/dUXgUcQDgGIM0MfkUbQ4BvjyNTKYYKPXF2GDA FvxDzRjFCw2IQw5jfn6VpZDaFaZGa3MetHQaUSCqaIndEmvct0lxK5PUmYVhkWj3fI SZsH6+ALSpHllbcKt7bQpPvGINYnAKC4B788SgfuxYrzEItCSR/p4pg5ErBVNkb5oM v2qWxUAJ48TFG9qRJw8gB5+xFhjL4nxZqnJ5g3tqyTn4O8HwZtDxR6GC5tzxU3IdfX F38nWkdQsnX12eboDdRXLPsYF9xyKkPVWs75zC2tlBA97Jk+if8WwIKVTEHph/lMds hTE/O058lWU+w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dan Carpenter , "David S . Miller" , Sasha Levin , marcelo.leitner@gmail.com, lucien.xin@gmail.com, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-sctp@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 3/6] sctp: handle invalid error codes without calling BUG() Date: Mon, 26 Jun 2023 17:51:13 -0400 Message-Id: <20230626215116.179581-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230626215116.179581-1-sashal@kernel.org> References: <20230626215116.179581-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.4.248 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dan Carpenter [ Upstream commit a0067dfcd9418fd3b0632bc59210d120d038a9c6 ] The sctp_sf_eat_auth() function is supposed to return enum sctp_disposition values but if the call to sctp_ulpevent_make_authkey() fails, it returns -ENOMEM. This results in calling BUG() inside the sctp_side_effects() function. Calling BUG() is an over reaction and not helpful. Call WARN_ON_ONCE() instead. This code predates git. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- net/sctp/sm_sideeffect.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 8d32229199b96..c964e7ca6f7e5 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1240,7 +1240,10 @@ static int sctp_side_effects(enum sctp_event_type event_type, default: pr_err("impossible disposition %d in state %d, event_type %d, event_id %d\n", status, state, event_type, subtype.chunk); - BUG(); + error = status; + if (error >= 0) + error = -EINVAL; + WARN_ON_ONCE(1); break; } -- 2.39.2