From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 39BFE18A6AC for ; Mon, 6 Jan 2025 17:42:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736185328; cv=none; b=Mi4kfrHVAinx0HoHPqjPIXUljiFxyTiUSDX4Jr5MPf2oU9t80eNGFl+aKN5Rqitiq2FMlPAGO0Ui5navHzLMdfhn9IhPLcSF3XpGF+VOHmMEmDOj11G+ByJ69atB90UJoh8ccJ6n+mYwGPMCqp8uAKnsca2rVyZ4Yw5CZIReSfE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736185328; c=relaxed/simple; bh=qDoZS3NKdSeE+nCo/Q27/As6lKC0AXdtcZdMKhSej3Y=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=hEyK3TR8I0/oio/l1AJVRZJTJpdUypFlvhC89dJBJrrPPzWzm83xDDq3PanCpS8osMqB0UZjCdrNk3V8Alqb7ST3nonkGx7IFtG0gT6WAjEaT6vcNLjKjpW0rNUofGhm5yQsSD7R/jstrZ7nElUe/afgzBR2M1jNVqM+KAbF06I= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3a81357cdc7so142959915ab.1 for ; Mon, 06 Jan 2025 09:42:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736185325; x=1736790125; 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=GNENMpa70ZFUxpC/qH5uyHnJyYbgF2N+67wGvKH0tJY=; b=f6gGjet4gQA042eohiW76ogCOPyPbIOucDGfOxr78j/97akb+cXZz79F+Aafo1vIWM B+U8V5MIe8eOyLOozJ1ATKjHdtmh7jUq5tH+f8yINHAzYXKVqPSIHtoakqbXsoQOl+2W jz8FZTqtfHrmkJ2kRcIiNqcunGFiB2rAffD9Ujw0bHempvRU62UwkcMXdbYfWTdiv7pH g9KUsbNeMFEEGiF5T8ev0ynz/TFHx/JqFgzE/hD6+4nAb/FtT3j9vxMtCcOXdGZx/1AR 3KGYLYrFwHKtJr14HMrXozhkTayxC/nxi/FxTaOeLAlf7N2J9FFoJtIsM/vmJeUENUJw eWhg== X-Forwarded-Encrypted: i=1; AJvYcCUa3RL0C9utz55XO5zfvhovw9FZHecaLVVfaumZhwlEz2AH7ajpkpwM7eBT8Y+90hBINqeCj6QBBD5o4Zh8@vger.kernel.org X-Gm-Message-State: AOJu0YymcTU4smjFQ3t63gtpMGbRdy4APbiQrGjJI7JMQqdh86Dl4Y33 6GRHVRiwATtYd7YjTLXqgmZmOImsKRfwXwTpY9fQvlkl8C4cJqtr1bW/iBrVqS3Yzh1IiSnzbtX CXnz7tz32aamyuMOV1ZuaEcB2pOWmKSYebnGubPdGviH/cYlwVz3tvLY= X-Google-Smtp-Source: AGHT+IH2sA1PHDte7MnFAI5UDFyl6+57MyFTp+jr53IHp24CXdnaVcc7eiEp40FSRBdicfxfzHzbowsbHGx/11z9/QdsFQIlNKjo Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1808:b0:3a7:e956:13fc with SMTP id e9e14a558f8ab-3ce31d3c1c3mr1609715ab.5.1736185325499; Mon, 06 Jan 2025 09:42:05 -0800 (PST) Date: Mon, 06 Jan 2025 09:42:05 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <677c15ed.050a0220.3b3668.0016.GAE@google.com> Subject: Re: [syzbot] [fuse?] KASAN: slab-use-after-free Read in iov_iter_revert From: syzbot To: dhowells@redhat.com, jlayton@kernel.org, joannelkoong@gmail.com, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, mszeredi@redhat.com, netfs@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+2625ce08c2659fb9961a@syzkaller.appspotmail.com Tested-by: syzbot+2625ce08c2659fb9961a@syzkaller.appspotmail.com Tested on: commit: 78f2560f fuse: Set *nbytesp=0 in fuse_get_user_pages o.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next console output: https://syzkaller.appspot.com/x/log.txt?x=16eeb418580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a0669984e46cc674 dashboard link: https://syzkaller.appspot.com/bug?extid=2625ce08c2659fb9961a compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.