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 45DE7D506 for ; Sun, 22 Oct 2023 11:52:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-oa1-f71.google.com (mail-oa1-f71.google.com [209.85.160.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7DB9F7 for ; Sun, 22 Oct 2023 04:52:31 -0700 (PDT) Received: by mail-oa1-f71.google.com with SMTP id 586e51a60fabf-1e1cba2da07so3549384fac.1 for ; Sun, 22 Oct 2023 04:52:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697975551; x=1698580351; 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=IXk6ipW0WGEi096jxXY2WBNHGYG5TkCETUVTeM32tA0=; b=wa2gTn+hGDEaF+SeJ5YmO6gxOAdRYOgF5aRSktOyLL69jkXDYplwr9daUISokTQka5 qWF8fgZEZckprF49Dtb38H2W26l01xw9iWDGAHKYvErHf3Y1GODA0QJwk2qcKTqOfMi6 FYR/++Ts6hVHhTm1hFrNzaHYJsTk3U4JpYHUwdao9/OHOttwc3Y9NO+JkGVkHNikd5FN TNMpSiamC0G3dYR+biRPLZRDjJKRYhFf7bIoAGaFo95FiyolvWj4MmROMJEqaXnzKKZo fgqURo6G2MqlbCP2V7gyjFlY2mvXG7W1bkUXdspVrHfcccZkxaqbdlxmnfkvvs9+1zUZ aAuA== X-Gm-Message-State: AOJu0YzWfjMJl4oamnlju15KCQvum6cOcC72JmqFqu4QpuBy3Vb20yJl Eihl5KC57wvwskBxyFEMxEeCHdpZ1LtnlHdXM0qbKsESY/UD X-Google-Smtp-Source: AGHT+IEvMT+swEq07R5cFoGX9zXWQzPjIfXPkahPbW7Kk4Q7RWNC6vbYiKNsJ9CIG1L3psFE+kMdNeFhLTSurFuYmMgxx1r9D47G Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6871:3308:b0:1e9:e1dd:b953 with SMTP id nf8-20020a056871330800b001e9e1ddb953mr2956608oac.1.1697975551329; Sun, 22 Oct 2023 04:52:31 -0700 (PDT) Date: Sun, 22 Oct 2023 04:52:31 -0700 In-Reply-To: <000000000000438c4a06031aff8b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000930e6f06084cbd43@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in schedule (6) From: syzbot To: davem@davemloft.net, edumazet@google.com, hdanton@sina.com, jiri@nvidia.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit c2368b19807affd7621f7c4638cd2e17fec13021 Author: Jiri Pirko Date: Fri Jul 29 07:10:35 2022 +0000 net: devlink: introduce "unregistering" mark and use it during devlinks iteration bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12ed7a99680000 start commit: a785fd28d31f Merge tag 'for-6.5-rc5-tag' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11ed7a99680000 console output: https://syzkaller.appspot.com/x/log.txt?x=16ed7a99680000 kernel config: https://syzkaller.appspot.com/x/.config?x=3e670757e16affb dashboard link: https://syzkaller.appspot.com/bug?extid=77195ae75047f1438785 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ec36ada80000 Reported-by: syzbot+77195ae75047f1438785@syzkaller.appspotmail.com Fixes: c2368b19807a ("net: devlink: introduce "unregistering" mark and use it during devlinks iteration") For information about bisection process see: https://goo.gl/tpsmEJ#bisection