From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 676E1849C for ; Sat, 30 Nov 2024 00:21:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732926064; cv=none; b=pUdKtX5AvCrLhsXd6PR3h93yCu/2umG25V1ToJyJ6K7Q+kpOTyVyrg35vpdmC3wqdq6qobHKr7OJ2WhJ4U/1n0q3RStm0j+spHCYdUofmepVUyjSkjK1FuDkW8C5rn4SzKC7eUhCsVZ1RT6sJwB4zBxxWVYWaDyATRFltJRslb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732926064; c=relaxed/simple; bh=0EV1a/PEqgBijVEwNPL6KCylvy2Zu2KPS5sJdNJ8kBQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=C2FVUByXlAZ2tvLN47+KDBNjCSvfqxkhLnvvweg2GkAJ/hzP0u7TO2knwaF/LSw1xOoReNWp9dk8WR5WWDStY857t1n+iwO7L/BLiyCpLFkS+gW3riMyQ61qqHucv1Y6EGE+Bg1UhJqYYzlxnjRC/Fj48bvbrjzJQ3mB+/y8VTM= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a7cff77f99so20959555ab.3 for ; Fri, 29 Nov 2024 16:21:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732926062; x=1733530862; 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=FVfJflQw+zqDYWm6LdH2mWrvKmzl57FI/2or0aBkVqE=; b=mGrKjZVHS3pw6Vaf9e6PO+xkuTd0tyifXTx6eJ74urlZbaQjJp8TF4cfdF/ZF65Le7 EiM3Ianmv1PoSjOUSkQudlM/LzxZMkuOWNe0El3Jc48ViddhYjQYwwk799qrtuZaa9ha yidPJAnXkSnypjyjZJCrJ5oUeUsXVvUS5u/bdBmEHEtHUf42YQENSpEfrwF2g5Ggde0p Kd7t1E/WF/xtZgQ2f1RvnNRhlv7Et7Xztt35sTj5Ac/X9Kk1wTB/qAuH5lCc1LkPuBn6 MuJwHFRbip88YU9JWuiiHuxRwiXxYJd7ZKYSSmW3b1XgYYdSgnb2oQqEKYKkzRMueZ+M hRDQ== X-Forwarded-Encrypted: i=1; AJvYcCUyoZAyf15uV5/LCKk1HmNoMrRQBkj5w8fWX9SqXE1pqKsGiizT4z5b9wetygWYQxzGO8EFgg==@lists.linux.dev X-Gm-Message-State: AOJu0YzKDjQf7GggOgDFQHyuyPTYNpd6r7Eg9DyomlASZWbcSE3nUEK0 nVVJE2228sycuFd9PZVAIZMN9HM9UmwYr8xrZMNMIwcrDRdkHSXrsE9IARW8Vrg5gXCKvkOs+ei rpPUgEI9kEexmp2hI03cYGvxEcvP6I9mFFqncD1MDUcFWR0ex+P7tZSs= X-Google-Smtp-Source: AGHT+IFVKCt77VV9eIgoBFjrQ5FGd4u7RB7QruWUYFiSaKsKMQCsCEdI8hJAH/havveNDzJ2pYVF2QA5tIzx5GFl6ti8PZAgyMCD Precedence: bulk X-Mailing-List: netfs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aaf:b0:3a7:2b14:add8 with SMTP id e9e14a558f8ab-3a7c55da135mr159559955ab.18.1732926062688; Fri, 29 Nov 2024 16:21:02 -0800 (PST) Date: Fri, 29 Nov 2024 16:21:02 -0800 In-Reply-To: <66ed861b.050a0220.2abe4d.0016.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674a5a6e.050a0220.253251.00d3.GAE@google.com> Subject: Re: [syzbot] [netfs?] 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" 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