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 9F572EB64D9 for ; Mon, 26 Jun 2023 21:55:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231491AbjFZVz2 (ORCPT ); Mon, 26 Jun 2023 17:55:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231809AbjFZVyc (ORCPT ); Mon, 26 Jun 2023 17:54:32 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 03CDF2D42; Mon, 26 Jun 2023 14:52:13 -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 BD84460F7C; Mon, 26 Jun 2023 21:51:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 086DFC433CC; Mon, 26 Jun 2023 21:51:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1687816293; bh=vOHhUrqa/Nk0P/voSrPZnhsuDPDSkMt7hNCfAlpuevw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VsrIWJIMCmJ0/VbX1a7kiH0s/pwdUSidbH3T7xaSchKRkv6w1VNTfMx3t3AZbvchT YIKnFDPZrEHI8gLHRm9jN9YHZPDNEE7bT67Vas2FyIIBiB/DU6yNhqWIKyquM7MPLH wGi3PAjH7tRpQQzbyqBpqwlqE4BMFMxZiM8TPXjprlKR2BH7zUsn6WKAjJgxEgYimr r/8h1PrCPqjjEz9Q4133vg2MBGeR+xBs1uNltCXpTsEhP+bEtN6CHDvSUdSevzyJB9 sUc+0NzWe0eGtYHOQDhCYeo6X+lVTVz7goxFzu8+nuY+J2JpKxWQ+DPdg6HSnCUCKy 6bzhezj/ugsiQ== 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 4.14 3/5] sctp: handle invalid error codes without calling BUG() Date: Mon, 26 Jun 2023 17:51:28 -0400 Message-Id: <20230626215130.179740-3-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230626215130.179740-1-sashal@kernel.org> References: <20230626215130.179740-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 4.14.319 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-sctp@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 169819263c0bb..87822421b99db 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1235,7 +1235,10 @@ static int sctp_side_effects(enum sctp_event 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