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 E7ABD187342 for ; Thu, 2 Jan 2025 20:18:17 +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=1735849099; cv=none; b=TkIO26MZjXyhLrK4gHlVMCZcgAgBWmmexUNheuTphVGfiSdnq0lGB7Mh546YiZAb9WuDOZBcwHNALv1OhthggdRXAKClFSaDiw1NIRz0Su9X479b+jS5SWUUlfJTl4N1mIzH2aqX9MH153+n1bL8lg0dxpXSSC9wdKG6Cp8zsPg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735849099; c=relaxed/simple; bh=u0ftigakl3TTVR2gSv10Aaoafz338ii3ic3mzHJiFUo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=J5uzclJrDWJsMUhqsyxVs/WvdlasM1iVsQ8NsIs0yzr9oLvFQLPrEp0WMEoHrOQ19h/6cfZ6CAvsGFKwrhZqJcw+QpPQGEtCj/nlcMc9syu1T6kQv4YCIDawl9FQjPjdNNhKDRPwpRCyBuTcTSmoRh8j/ZXGivab4/xkNm/Umk8= 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-3a9d075bdc3so208624065ab.3 for ; Thu, 02 Jan 2025 12:18:17 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1735849097; x=1736453897; h=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=Zyt1KqLVc0pramu9rGXFNwVyDBSM+pe2+vkEywK1yrE=; b=Go3C7NHiCuux0uVlv3xD2Slz/jFA504O5zRO8vhqFUyyg2XlAl4EI62sbxlwC7mJog QO2faXhryaQePZ6Y0teX8BbnmagiIc3joEDROk9q8ZUxeyl8KVeQcXP3ncVxhkIXmJao FgwNLOoaakwwc5pBk+QajXxG9V+ZfyU4m+8NUmzYUPkCcUlF1X6MEJOD031CRQlPL2A6 bMoQXilJhdWMqAS8lHxHq9VUcDFNAe5hjVitthYCFbysZlntRE217n6dqU+Y0Kh6Y9Ce zHOIBv49qnS7Pkg4+pIz9J9LpHmhTpunxpTpGAu4QAcip2QxKRtKAdGybMU2hYkg+K2x v9CQ== X-Forwarded-Encrypted: i=1; AJvYcCXzQR/ivz8+Yluex/EdFkPHp7GXpN5uq4beZiYFRty7Tkl458aGDT66rQSoolhib4U9Q7gAmHikaoy6s3I=@vger.kernel.org X-Gm-Message-State: AOJu0Yy++fEW5N6IlONgLOEyTZKysraOer/FDlWk20P4tI8u5bTs59Qn B2RHp453RL5RtpkmG3efSxo3H6tlBOlvx5X1GO4VJ5P9aOJEzQ5WwCmAYfcfFO/CA0SeajbBWNj re2qmJ8eJEZR0oN4Vs0TfAZCDZfWspC5CjUgYi5kHTCKLgW4Z/Lv21zc= X-Google-Smtp-Source: AGHT+IEow5vVrCoxJ0lCGkXlgJXpV+283139zHLDUjFC2pU4oYrUWU9RnAjC1G0X2pUKH78cVkuwEuG0RlLVFSgN4co8u8E0DJ47 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:2684:b0:3a3:b3f4:af42 with SMTP id e9e14a558f8ab-3c2d1f7576amr381704985ab.7.1735849097221; Thu, 02 Jan 2025 12:18:17 -0800 (PST) Date: Thu, 02 Jan 2025 12:18:17 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6776f489.050a0220.3a8527.004f.GAE@google.com> Subject: Re: [syzbot] [netfs?] KASAN: slab-use-after-free Read in iov_iter_revert From: syzbot To: miklos@szeredi.hu 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" > On Sat, 30 Nov 2024 at 01:21, syzbot > wrote: >> >> 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=1033bf5f980000 >> start commit: b86545e02e8c Merge tag 'acpi-6.13-rc1-2' of git://git.kern.. >> git tree: upstream >> final oops: https://syzkaller.appspot.com/x/report.txt?x=1233bf5f980000 >> console output: https://syzkaller.appspot.com/x/log.txt?x=1433bf5f980000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=5f0b9d4913852126 >> dashboard link: https://syzkaller.appspot.com/bug?extid=2625ce08c2659fb9961a >> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14534f78580000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10c3d3c0580000 >> >> Reported-by: syzbot+2625ce08c2659fb9961a@syzkaller.appspotmail.com >> Fixes: 3b97c3652d91 ("fuse: convert direct io to use folios") >> >> For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > #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 > 7a4f541873734f41f9645ec147cfae72ef3ffd00