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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m3-20020a632603000000b00513cdc43ecfsi21576pgm.332.2023.03.31.08.44.37; Fri, 31 Mar 2023 08:44:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230495AbjCaPmZ (ORCPT + 99 others); Fri, 31 Mar 2023 11:42:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229967AbjCaPmY (ORCPT ); Fri, 31 Mar 2023 11:42:24 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 413C61E72D for ; Fri, 31 Mar 2023 08:42:23 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id i3-20020a6b5403000000b0075c881c4ddeso7868493iob.13 for ; Fri, 31 Mar 2023 08:42:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680277342; x=1682869342; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=aJYq+ZywDnRhStLXmh3DG5Chtbh5S+arEYAqRS8jFIw=; b=HCGlMBEOh9J/Df3V0/cSXKb9pUE6WoWcMwqNnpLjDTAtG9B82nRl0xJyTi9uLaRToE KMUy4xPdJmIOw6RvmR4ar8FrLulrlJptlg7Um+z+jqJOF2gqsl43MgYUY6AVZKZyz8oH OHe4Gq3rbQ+77DPk9NLeIiKLruIyVA91jX9HJlk/gP6smQPvxIJ5LtiXqQEDEhtq2jui p7ijU2014CutN/1apAG4A59y+0WaFlCiHkrQwHlEQs0tXjwo6iZOLQPaKWXRnS5TLQlC QXdrXzjeEcJVeE3t4r/dmnCUoY3txwen2sFmXqhT4Fpq+zRdt5exmplgsp8PluH49d2q qqTA== X-Gm-Message-State: AAQBX9d4T2Vslk06uO90ZYzLpgw6j5WjFYMN7/kwPjUtx+C4Q0x1Hw9U LqFh+RX9v6+dr/JzRSnzt5QaI6N8bO4kYa66Yt8nz4Gn7/52 MIME-Version: 1.0 X-Received: by 2002:a92:3005:0:b0:326:17ae:47b9 with SMTP id x5-20020a923005000000b0032617ae47b9mr8063319ile.1.1680277342571; Fri, 31 Mar 2023 08:42:22 -0700 (PDT) Date: Fri, 31 Mar 2023 08:42:22 -0700 In-Reply-To: <000000000000a5c9be05ed85b31b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000020d46805f8340e6b@google.com> Subject: Re: [syzbot] [block?] KASAN: use-after-free Read in netdev_core_pick_tx From: syzbot To: axboe@kernel.dk, gakula@marvell.com, hdanton@sina.com, jiasheng@iscas.ac.cn, justin@coraid.com, kuba@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, michal.swiatkowski@linux.intel.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=3.1 required=5.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: *** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit f038f3917baf04835ba2b7bcf2a04ac93fbf8a9c Author: Jiasheng Jiang Date: Fri Mar 17 06:43:37 2023 +0000 octeontx2-vf: Add missing free for alloc_percpu bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=133a3d2ec80000 start commit: 42226c989789 Linux 5.18-rc7 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=d84df8e1a4c4d5a4 dashboard link: https://syzkaller.appspot.com/bug?extid=10a7a8ca6e94600110ec syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11ed1369f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=166b22cef00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: octeontx2-vf: Add missing free for alloc_percpu For information about bisection process see: https://goo.gl/tpsmEJ#bisection