From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFDCFFC1E for ; Thu, 4 May 2023 16:48:03 +0000 (UTC) Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE4EA4C37 for ; Thu, 4 May 2023 09:47:41 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-760ebd1bc25so45783539f.0 for ; Thu, 04 May 2023 09:47:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683218849; x=1685810849; 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=qWpjF4Bamr/uAlbk5+thvSEr3uGSTELUNEl8xA/w3zM=; b=ElBetEQOr4AWDMJrc5gcewDjeO4eJjWFeE117uqdgfHR8l1YejmPvNE9ubL57gqgsQ FbFayyV3EpYJSTL6c+IKjfR19n/CtjPLNNQ6EMxPH5s3dCJVmoQfPBscx/5f0Bbk5d69 6FQGQEuZM4sNYS8hH+FkVp+bts44Hhxc/67wSRVsyIxf/JunRKUy/TFXu6yfybBFpm9A 2hZzuDQ+mccsQB8WpB3o1d3BgiRnft6TaJQ4B3AP7p46wAd5ES1XYCLnrmvIp5/Aoc6+ X82i1FVG33HFbdLT2at7N58f2pvV18SA/1AUzg56I/jvZ5aKnv3yvflrlLIl6tqajK7S Sn3g== X-Gm-Message-State: AC+VfDyXvyUmwEG1mk/6JX/Lj8RvtrqI8iKwvsYfBNeHacur7WJ/xcq4 6gmXbl4IxRf48eqqFn2rfVf/GGVcX+Xfflp90pWoUT0OQA3n X-Google-Smtp-Source: ACHHUZ5SZU2SmCOWlboo7Uh+rQCO1f6NOtN2Ip3jDJiWe24VB/gKcB7g4seQWvUIw+UP8Xp7S1XBVelINmQdFvYroY2s3raHckvZ Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a5d:9f4a:0:b0:760:ebc0:c396 with SMTP id u10-20020a5d9f4a000000b00760ebc0c396mr118960iot.3.1683218848919; Thu, 04 May 2023 09:47:28 -0700 (PDT) Date: Thu, 04 May 2023 09:47:28 -0700 In-Reply-To: <000000000000951c2505d8a0a8e5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000091b72905fae0eda2@google.com> Subject: Re: [syzbot] [can?] WARNING in j1939_session_deactivate_activate_next From: syzbot To: davem@davemloft.net, edumazet@google.com, kernel@pengutronix.de, kuba@kernel.org, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, mkl@pengutronix.de, netdev@vger.kernel.org, o.rempel@pengutronix.de, pabeni@redhat.com, robin@protonic.nl, socketcan@hartkopp.net, syzkaller-bugs@googlegroups.com, william.xuanziyang@huawei.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net syzbot suspects this issue was fixed by commit: commit d0553680f94c49bbe0e39eb50d033ba563b4212d Author: Ziyang Xuan Date: Mon Sep 6 09:42:00 2021 +0000 can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10cf0990280000 start commit: fa182ea26ff0 net: phy: micrel: Fixes FIELD_GET assertion git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=796b7c2847a6866a dashboard link: https://syzkaller.appspot.com/bug?extid=3d2eaacbc2b94537c6c5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1455e3b2880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10296e7c880000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: can: j1939: fix errant WARN_ON_ONCE in j1939_session_deactivate For information about bisection process see: https://goo.gl/tpsmEJ#bisection