From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 007B3CA6C for ; Fri, 20 Oct 2023 07:10:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: by mail-ot1-f69.google.com with SMTP id 46e09a7af769-6ce27d056ceso734187a34.0 for ; Fri, 20 Oct 2023 00:10:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697785838; x=1698390638; 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=lWL0rNLl5jF/ivasCRcew47fQzuvd0OIJz60/b6FZdY=; b=fzKKTGQDGETGp6FO7ZohlGDqF9oEHzBH6F7RH0B9sARoDnbiDiNnqPr1lUqePQj6pr cWmI1hFdwvjO791E1rCjsjo/F4KhTXOUZ2f7qwVeG66uLX5lf1cXT6NCj1ve7eCxAepN EOxV/P10TSv4fLXVPvMgnAInJT2InohK8ktS2APn1+uWoVk1vUo0WLsxbql2dHIGGyIc f/VuczSr/bCwNqIHLe80ZTJ5OxJ3wurph7T8QfLucq4yDBc0vwrfFWeFQW+2lQdnzLif JSXKPcXclTx/kT/BKj8+4eJvaM2O3FmY5MgDpzRwGIihY1hpfuF3IU+mMzVdvdqiC81+ o68g== X-Gm-Message-State: AOJu0YzWq+FUINYODjq3RkF/7GAJN8T2WiC7LS5JVC/m/Bxi4qwl+fB1 pBuJmSldHMw2rrOhE2FzhcuTLbpfektCa9pAKq4MvYwf6fvW X-Google-Smtp-Source: AGHT+IGTxmGob7Dc/DPgC3p4zZRvObLuhFsv4iCL/svsCC2b2UrLxyCog5rpqjctEWdGkRbOPSHHWA/IV8941w7lnpeNC3TMVIqS Precedence: bulk X-Mailing-List: gfs2@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6870:c18c:b0:1e1:3367:1429 with SMTP id h12-20020a056870c18c00b001e133671429mr503641oad.10.1697785838117; Fri, 20 Oct 2023 00:10:38 -0700 (PDT) Date: Fri, 20 Oct 2023 00:10:38 -0700 In-Reply-To: <0000000000000c44b0060760bd00@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c92c0d06082091ee@google.com> Subject: Re: [syzbot] [gfs2?] WARNING: suspicious RCU usage in gfs2_permission From: syzbot To: agruenba@redhat.com, cluster-devel@redhat.com, gfs2@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, postmaster@duagon.onmicrosoft.com, rpeterso@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 0abd1557e21c617bd13fc18f7725fc6363c05913 Author: Al Viro Date: Mon Oct 2 02:33:44 2023 +0000 gfs2: fix an oops in gfs2_permission bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10b21c33680000 start commit: 2dac75696c6d Add linux-next specific files for 20231018 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=12b21c33680000 console output: https://syzkaller.appspot.com/x/log.txt?x=14b21c33680000 kernel config: https://syzkaller.appspot.com/x/.config?x=6f8545e1ef7a2b66 dashboard link: https://syzkaller.appspot.com/bug?extid=3e5130844b0c0e2b4948 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=101c8d09680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a07475680000 Reported-by: syzbot+3e5130844b0c0e2b4948@syzkaller.appspotmail.com Fixes: 0abd1557e21c ("gfs2: fix an oops in gfs2_permission") For information about bisection process see: https://goo.gl/tpsmEJ#bisection