From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 2D849199244 for ; Sat, 30 Nov 2024 14:44:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732977845; cv=none; b=XwtpdsNL18YcNv1YMfREW02UABK5Qk00wftSoWXGgKlPiVMaQo9U+Zuaz25X8whx4YGeCZbhPRvMXC7b5zFOGU0glKeUOpNHhsITf1RzHbNoGn2Yb1s54tr27xxSXU0Dlg7D3ZZ1V4DHWCQ+IgY6vhSuJKhL4gZGuURlOsW6IEc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732977845; c=relaxed/simple; bh=/2me3GlS88an3RLsz+gmPqqJsjFVKRchDVf0XYxw0yA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=aaO0A48CPT/ET77ihaBYNMJvgHTeqGj6OXzTHPUEiUDv8s9cIt41ded7blnQhDP5FaxbCmDhziBFFjCbZIjEGhuHPZUG934G6Gr/MBJE99OJ3qeYys7pBlvHYCsI8nyo7mZqq3ErK3e/nrh27bz7jJ9fmThgyhNttBcvN8Bx5gM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 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 Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3a7a5031e75so28248355ab.3 for ; Sat, 30 Nov 2024 06:44:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732977843; x=1733582643; 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=NLpCxVWUm+FLHYgY6UmUs8QAXQBwFoHMQc5QOpBkoP4=; b=c9sDk32bxnYyBRl14ojXsaOIt/MZvM0c0v90S6xJ0InAOCCDtBSVk0la3S1uGgSn8R fbdgS6NrOSfiHAoxKVvbuBU08KD6P2Apmv+OJbyF+KP3He9bQwMk6z+97e2U1A+Lfj2h bGnHDoqqWhB7kV6JhYaZfW3YTc6SQMKMyVMGBz95IxUJzESjBCzc6BNl1nBDhSgGVclx y7y4y1i+r+P0KtUPMvR0qqyDdi9rqS9nRqSq5y0k9nQSi/ON4yNiJiRpx7gpPlQdfvbI +KUlUwKc/vpSUILN9fvu27yizt1bjmaLlChZ3KwkfqzbqULuv3jSbd9cg6XeTBqcw2/d z3BA== X-Forwarded-Encrypted: i=1; AJvYcCXfW8slm0RDS9cqpYhTY03/Ys0CK4unAX1adMt21rBK+y7Pl4jMnPR2bol2m59D7yb2stP7DFJs2LwjRNQ=@vger.kernel.org X-Gm-Message-State: AOJu0YxPpE407RQ9rNE9l+xY/+/MwGotx0EsctQff3QbbQaDDyCDTduS xUaYl6jbheg7nurlQWgaCeBe1Fjg+qlCsWTefN2+dWAIYlkQJ5yiTeiYRzWx5RPWtd9F5iqu9FZ z++Xz9oD2hD0fNHIivOGFFjqM0vcqrZmsGdKVd0zcn+KKCjTfpcFkJgg= X-Google-Smtp-Source: AGHT+IGKM3IQM8HG3HSI7urzSPpJKTU55OY0Q6Z5kYb4DXB4yN+jXJMypP7rSsTOQ4NnPvpsotgixPfEKNRfhZjHxhSEQLvvMk5g Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4405:10b0:3a7:c5ff:e698 with SMTP id e9e14a558f8ab-3a7c5ffe892mr96045695ab.0.1732977843441; Sat, 30 Nov 2024 06:44:03 -0800 (PST) Date: Sat, 30 Nov 2024 06:44:03 -0800 In-Reply-To: <67238110.050a0220.35b515.015e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674b24b3.050a0220.253251.00dd.GAE@google.com> Subject: Re: [syzbot] [netfs?] kernel BUG in iov_iter_revert (2) From: syzbot To: dhowells@redhat.com, dmantipov@yandex.ru, jlayton@kernel.org, joannelkoong@gmail.com, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, lvc-project@linuxtesting.org, miklos@szeredi.hu, mszeredi@redhat.com, netfs@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 3b97c3652d9128ab7f8c9b8adec6108611fdb153 Author: Joanne Koong Date: Thu Oct 24 17:18:08 2024 +0000 fuse: convert direct io to use folios bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13e29f78580000 start commit: f486c8aa16b8 Add linux-next specific files for 20241128 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=10129f78580000 console output: https://syzkaller.appspot.com/x/log.txt?x=17e29f78580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e348a4873516af92 dashboard link: https://syzkaller.appspot.com/bug?extid=404b4b745080b6210c6c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=131f71e8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12bc200f980000 Reported-by: syzbot+404b4b745080b6210c6c@syzkaller.appspotmail.com Fixes: 3b97c3652d91 ("fuse: convert direct io to use folios") For information about bisection process see: https://goo.gl/tpsmEJ#bisection