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 DE256EB64DD for ; Fri, 23 Jun 2023 11:08:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231433AbjFWLIh (ORCPT ); Fri, 23 Jun 2023 07:08:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229830AbjFWLIf (ORCPT ); Fri, 23 Jun 2023 07:08:35 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D120A10F4; Fri, 23 Jun 2023 04:08:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:To:From:Subject:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=7YE9sah6m6BOooMB9JhCskJMQwa//8HJtLtELm3K1WQ=; t=1687518514; x=1688728114; b=iz9mOAa8fO4rth4sQlnfHl3X6lG1c2OSvIHAUc5uSMEywZh bH9vfi07vUPVhRV2KW4j33GXvBC6PIDMIq4AlwQ4vEmG+CY+ApEs+zUHfI95KBUuLur2t/OGRSQmr kvA2VXx43sowZrpjd8O57fb7Nz9bVqS4+iCukULdDB2hMYGo/KSizTZZVPQnPYtiCpDJ1NCoTbFTQ Qqunrm7F0lqeiJq4WEpD2pWg5lo6vYKQSVCMJGz5ix4yILfWqFnzB7gLq/7dy0S2LyHtwT9gyvVUK kdJkMoY8kQAsSGuH46IFok8XCOTQfb4WjOzcq5dz8vHONsdOVQDb/hcnwzuqlscQ==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1qCeeO-00FhOU-2T; Fri, 23 Jun 2023 13:08:24 +0200 Message-ID: Subject: Re: [syzbot] [wireless?] [reiserfs?] general protection fault in __iterate_interfaces From: Johannes Berg To: syzbot , davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, reiserfs-devel@vger.kernel.org, syzkaller-bugs@googlegroups.com Date: Fri, 23 Jun 2023 13:08:23 +0200 In-Reply-To: <000000000000302fb805fd180f4a@google.com> References: <000000000000302fb805fd180f4a@google.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.48.3 (3.48.3-1.fc38) MIME-Version: 1.0 X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Thu, 2023-06-01 at 14:24 -0700, syzbot wrote: > Hello, >=20 > syzbot found the following issue on: >=20 > HEAD commit: 715abedee4cd Add linux-next specific files for 20230515 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=3D13c9672528000= 0 > kernel config: https://syzkaller.appspot.com/x/.config?x=3D6a2745d066dda= 0ec > dashboard link: https://syzkaller.appspot.com/bug?extid=3D1c54f0eff457978= ad5f9 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binuti= ls for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D1588e999280= 000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D1013cbc128000= 0 >=20 Looking at the reproducers, there's basically nothing happening in wifi. So seems likely it's just some really bad memory corruption issue in reiserfs? johannes