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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E666AECAAD4 for ; Fri, 26 Aug 2022 15:18:45 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3EF3B1638; Fri, 26 Aug 2022 17:17:53 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3EF3B1638 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1661527123; bh=W42WV79mmqEcdmuuU7Lv0abeEpnU345rgLyU8X96y9k=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=k/ua/WnoQe2qQVlmo2aPGeEYMUockuQ1TeVwa75TX/n5EZV1g88+H7jCjTmoX6pJl h+8tP/Ypcypt3aDkBhMCA2Zq9et5C6OXKOmEB+0MROnBokB5EHXm3bPh+FJTWUYA9p tejYllmHpd+Wn0XZHcixGiZwK6Qvup/6XgvgA26Y= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id B7A2AF8014B; Fri, 26 Aug 2022 17:17:52 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 24298F80238; Fri, 26 Aug 2022 17:17:51 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C660CF80134 for ; Fri, 26 Aug 2022 17:17:48 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C660CF80134 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="hF+SENHi"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="G4eVjVk+" Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 0A8B41F903; Fri, 26 Aug 2022 15:17:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1661527068; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=t62tbGexI8f9MlpVvJKO853Emf2nNEYBL8SKFN8R5wI=; b=hF+SENHi0EMkWf+mhY22HFekbjiRjBm6BekyB6SeVYiLfC4nziZet5ZowpGhqJl0RCOqQ9 IBom7CeKzi8cxLAfwTYdD4xHN3a21Sog555hFBcraQCfe/lTE1nyGDxwt81JWZKs1oOg+0 RYx9lQFgp0NE1G2Ll06IV1YmqMGA4ec= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1661527068; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=t62tbGexI8f9MlpVvJKO853Emf2nNEYBL8SKFN8R5wI=; b=G4eVjVk+FioQ+1EzQwITq2y8MUc7J1kiFzDC1qpCysa+TsphL5YOpAcW5CEJqJzDAYhQ2u KowZbbaAt++2CcBA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id CC39E13A7E; Fri, 26 Aug 2022 15:17:47 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id j3oPMRvkCGO3WAAAMHmgww (envelope-from ); Fri, 26 Aug 2022 15:17:47 +0000 Date: Fri, 26 Aug 2022 17:17:47 +0200 Message-ID: <87sfljjap0.wl-tiwai@suse.de> From: Takashi Iwai To: Dan Carpenter Subject: Re: [PATCH] ALSA: control: Re-order bounds checking in get_ctl_id_hash() In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Cc: alsa-devel@alsa-project.org, Zheyu Ma , kernel-janitors@vger.kernel.org, Takashi Iwai X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Fri, 26 Aug 2022 17:01:10 +0200, Dan Carpenter wrote: > > These two checks are in the reverse order so it might read one element > beyond the end of the array. First check if the "i" is within bounds > before using it. > > Fixes: 6ab55ec0a938 ("ALSA: control: Fix an out-of-bounds bug in get_ctl_id_hash()") > Signed-off-by: Dan Carpenter Thanks, applied. Takashi 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 2AE32ECAAD4 for ; Fri, 26 Aug 2022 15:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344563AbiHZPYX (ORCPT ); Fri, 26 Aug 2022 11:24:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344582AbiHZPX6 (ORCPT ); Fri, 26 Aug 2022 11:23:58 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51429DDABE for ; Fri, 26 Aug 2022 08:17:49 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 0A8B41F903; Fri, 26 Aug 2022 15:17:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1661527068; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=t62tbGexI8f9MlpVvJKO853Emf2nNEYBL8SKFN8R5wI=; b=hF+SENHi0EMkWf+mhY22HFekbjiRjBm6BekyB6SeVYiLfC4nziZet5ZowpGhqJl0RCOqQ9 IBom7CeKzi8cxLAfwTYdD4xHN3a21Sog555hFBcraQCfe/lTE1nyGDxwt81JWZKs1oOg+0 RYx9lQFgp0NE1G2Ll06IV1YmqMGA4ec= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1661527068; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=t62tbGexI8f9MlpVvJKO853Emf2nNEYBL8SKFN8R5wI=; b=G4eVjVk+FioQ+1EzQwITq2y8MUc7J1kiFzDC1qpCysa+TsphL5YOpAcW5CEJqJzDAYhQ2u KowZbbaAt++2CcBA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id CC39E13A7E; Fri, 26 Aug 2022 15:17:47 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id j3oPMRvkCGO3WAAAMHmgww (envelope-from ); Fri, 26 Aug 2022 15:17:47 +0000 Date: Fri, 26 Aug 2022 17:17:47 +0200 Message-ID: <87sfljjap0.wl-tiwai@suse.de> From: Takashi Iwai To: Dan Carpenter Cc: Jaroslav Kysela , Zheyu Ma , Takashi Iwai , alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH] ALSA: control: Re-order bounds checking in get_ctl_id_hash() In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: kernel-janitors@vger.kernel.org On Fri, 26 Aug 2022 17:01:10 +0200, Dan Carpenter wrote: > > These two checks are in the reverse order so it might read one element > beyond the end of the array. First check if the "i" is within bounds > before using it. > > Fixes: 6ab55ec0a938 ("ALSA: control: Fix an out-of-bounds bug in get_ctl_id_hash()") > Signed-off-by: Dan Carpenter Thanks, applied. Takashi