From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 2239A1BEF69 for ; Fri, 3 Jan 2025 23:20:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735946437; cv=none; b=PRjjok6rNZf2rZiI2Gv8MbRNtTWOyqnh9uxv3IRUcs5s3qmGSoKRp0Vyd5CFK6jB8NAxX3wYnkycib9XdeUMD/ufOESWgRW7ItoXFtnZ3LhlE/m6WdZdp2SHwqQSLst1DDViHFhH3kM6Hi6CdQT0stxfxvpgpHrXZ37mFNwuI98= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735946437; c=relaxed/simple; bh=3W4IvzMIr0xQBWC38MKeqTujA6CjHjjvg/i9qTVqI7E=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=A4K2qgFMXoKqdCFSFxcN4lLRoZexsfK1hpEkb4y/PfY+UIx4uW+xSQDxZexzdBO5V4WC+jDgdRk6gosNv7Kezdce1b9BEjfUNSitAzH56xWKJj0gdUpkQtXuFwJOZk0dqgvmIiOmNr8gaDjbggegA3TrzZxOOevryS9BVggMrxE= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-844cfac2578so2098235539f.2 for ; Fri, 03 Jan 2025 15:20:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735946435; x=1736551235; h=content-transfer-encoding:cc: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=3W4IvzMIr0xQBWC38MKeqTujA6CjHjjvg/i9qTVqI7E=; b=PdU/8Hix+k/T7etbk+zYgt6c8KFdJ5rnK5XFkO143XHwvMrNZaqlKKKnG/mGuyuj2U WSejjp67dHp7ZFSffPjuwGVoop73U9gRVxaA6OU9/yUhCKwEqVnVuU5Rl/roiRJEJoT2 W/YFKRL5MTGh5Qnm278Mw9KTq/9MSbkJbbK16zhNjG62VSJasOIThNdW6otx0GjK8rfw dBo9h2fZTAURbPFQcaQ1mrLx2YVUePlZY1qKSZCY5YlVE1ebt++Ssdh1aPNKyy3Kkh3R lBHsy/z+WF+hjAU9cS8GK/Kiru1QRyOOt8aMyie62EMyws1owyP2LnXH1oI775VJrXUb o3ow== X-Forwarded-Encrypted: i=1; AJvYcCUVDDHuyM3o6fEC/NLXaCZUgkCX/gaMDXUwdEUmMZyeDY0WZ6+nPhY3I2NcXkwi0VnUB9+oYWasSLnhQK4=@vger.kernel.org X-Gm-Message-State: AOJu0YwOrbljlH1EdLVQkwVAqevwFRTI4Z43TdRh+TwXZ3kZUr8Q+nDe SMAMb14U+Ct0BwODNVes77z5lyq4G/3sgmj0cmNpg/ariyWO56OKKUlqFPRuRZ89fXydVMnMdY9 AKeXy8P6YTlujrHzHcr7YThaE/Kf9lrwJHrknVWyQ9bNLlNEo+t2GRGE= X-Google-Smtp-Source: AGHT+IEvWnW6oRM+vgCHfNwa24VSQVfBs3jfJK1qg6plgc5PIBRpIhZkcYU/J/vcoboVr9JogOoa1tw5Leo0QrhbzdZ7P2dDUsS+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2481:b0:3a7:2204:c83e with SMTP id e9e14a558f8ab-3c2d2782867mr531960805ab.10.1735946435406; Fri, 03 Jan 2025 15:20:35 -0800 (PST) Date: Fri, 03 Jan 2025 15:20:35 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <677870c3.050a0220.2a3c1.001d.GAE@google.com> Subject: Re: [syzbot] [netfs?] KASAN: slab-use-after-free Read in iov_iter_revert From: syzbot To: joannelkoong@gmail.com Cc: 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" Content-Transfer-Encoding: quoted-printable > On Fri, Jan 3, 2025 at 3:11=E2=80=AFPM syzbot < > syzbot+2625ce08c2659fb9961a@syzkaller.appspotmail.com> wrote: >> >> > On Thu, Jan 2, 2025 at 12:19=E2=80=AFPM syzbot >> > wrote: >> >> >> >> > #syz test git:// > git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git >> >> >> >> want either no args or 2 args (repo, branch), got 1 >> >> >> >> > 7a4f5418 >> > >> > Sorry for the late reply on this Miklos, didn't realize this was >> > related to my "convert direct io to use folios" change. >> > >> > I think Bernd's fix in 78f2560fc ("fuse: Set *nbytesp=3D0 in >> > fuse_get_user_pages on allocation failure") should have fixed this? >> > >> > #syz test git:// > git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git >> >> want either no args or 2 args (repo, branch), got 1 >> >> > for-next > > #syz test git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git want either no args or 2 args (repo, branch), got 1 > for-next