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 0E5EFC433EF for ; Thu, 13 Jan 2022 03:20:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232033AbiAMDUF (ORCPT ); Wed, 12 Jan 2022 22:20:05 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:53095 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232024AbiAMDT6 (ORCPT ); Wed, 12 Jan 2022 22:19:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1642043998; h=from:from:reply-to:subject:subject: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=jm5clb8xIHCpD5vaQkgGsXDJRBF8humGdGQtxPy4P88=; b=W0eKP+y9m2GdIMWAdG0B8hUIAwN4IedRtDidcUte/1NA4s4mqY6QrwuJDigLhXphaRePAS +BzYi9Q0b00u4jn2rSqB3gZK3/ZRstK8kSsNFlf+xKGutODPE9WAZworATYA/URBH4GZcl gYcnUY7RUrFlmJp8mHYE+QNrhCRM90A= Received: from mail-lf1-f70.google.com (mail-lf1-f70.google.com [209.85.167.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-139-F9LhNR4aPn-T4J0iLrswjA-1; Wed, 12 Jan 2022 22:19:56 -0500 X-MC-Unique: F9LhNR4aPn-T4J0iLrswjA-1 Received: by mail-lf1-f70.google.com with SMTP id b7-20020ac25e87000000b0042ce6d38b71so3023407lfq.10 for ; Wed, 12 Jan 2022 19:19:56 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=jm5clb8xIHCpD5vaQkgGsXDJRBF8humGdGQtxPy4P88=; b=Xi8eukaEaCjpPGzyC7rakxzpGWE1UW06q2psw8ImR/mNTSxVpGwt7tmr+fJs7sA1+T NxWJN0ro0qOXiuzCsT2Ijo9I6VffRXrdi5eUkgWFo7rTFHxSIFeTv9uNlW76gjN1gG8I SGqUUJ1gD4gSxq/xbT6kddeDykZqzV+S+R/jvVcLnjhUXul9tvgHhIDcG1akMF6t9xC7 fderVcLxul8xVt73AhsOm5PsauSdWEOW00VIR41NuXAl/D38sxdA+63mIIYLZAmHemRz S56HYPdnejdXaNkLvR0GI8LvGYyM5wS0l5PTuops8UqfIxKFvAi3w0blr38Mku98CzeV a9EQ== X-Gm-Message-State: AOAM533C1L8EBK1xKIf3Y3QCNHtFllB/VYcixvPoZY2hu3XiriezFknv Qv/+UiRenvVq52ur9hzPnS8RJZqnBsMPc3ccZNL6Fq/W/x1DWHXK8BPFMKFHG/DVrh4Pql4LFZ8 76eXsKnnUGwBCX7TCJ1uL9ogMH9SrPOMbvh/5Uoyz X-Received: by 2002:a2e:947:: with SMTP id 68mr1793927ljj.300.1642043995217; Wed, 12 Jan 2022 19:19:55 -0800 (PST) X-Google-Smtp-Source: ABdhPJw5cHa/DU7QyIA+QmQtXpznmnfrd2+vdQCDxWpWS7tHq+wUGhwbB0Mc8Mc7keQjtAIC037LniGxAkqy5XbXWaM= X-Received: by 2002:a2e:947:: with SMTP id 68mr1793905ljj.300.1642043994973; Wed, 12 Jan 2022 19:19:54 -0800 (PST) MIME-Version: 1.0 References: <00000000000081b56205d54c6667@google.com> In-Reply-To: <00000000000081b56205d54c6667@google.com> From: Ming Lei Date: Thu, 13 Jan 2022 11:19:44 +0800 Message-ID: Subject: Re: [syzbot] KASAN: use-after-free Read in srcu_invoke_callbacks To: syzbot Cc: andrii@kernel.org, ast@kernel.org, Jens Axboe , bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, linux-block , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 11, 2022 at 7:03 PM syzbot wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 3770333b3f8c Add linux-next specific files for 20220106 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=171aa4e3b00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=f9eb40d9f910b474 > dashboard link: https://syzkaller.appspot.com/bug?extid=4f789823c1abc5accf13 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12b08f53b00000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+4f789823c1abc5accf13@syzkaller.appspotmail.com BTW, the report should be addressed by the patch: https://lore.kernel.org/linux-block/20220111123401.520192-1-ming.lei@redhat.com/T/#u Thanks, Ming