From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 C50CB2F2E for ; Sun, 28 Sep 2025 01:01:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759021265; cv=none; b=X5pt16Ax8SbJC6DTF/2qPPJQFGizjOxcFgcOCGM0c2dmq13cpbZeQYCp9qde/WKh2MoCiOI1NaF4eMvnXJwKAY3WKGEDsq+eVg+WzDJi/jgCEdL/irRlkFmTQlhTXt8OrMRkPB66WWBK6qaVC3tE+YguQBjlWgmZId2M3hk4X14= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759021265; c=relaxed/simple; bh=0tMqG3BeknP/OcKpYvRLR22b5v0FdTcZyFvQMirNY/o=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TuQ9ygdKbhP03242SCs2aL7Pcx6H+QDLe1FTK6msLxsr0UDlo0jA1UMXCjAp27jR0Ux9ig4h42Y+8wvZ7aAhZP9Np7Od5f5ATj+KuS+zpLlKQZADURSU8csdlOBe2PD3V6fhRLzSeF8NiMS4t6JKHJadeR3YtGthfbpq7B0Kt0A= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-42af09092b9so3953715ab.3 for ; Sat, 27 Sep 2025 18:01:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759021263; x=1759626063; 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=eePJd/KpRWZej3ed6w1IGjX51UIwmLdtMgmlSOGgm7U=; b=OX5aw0Hocu83kg2au+bnzym2aEV+7c829EbBDZMwrVgY8Vsu2x2yHs8x5lVgpRyZez rSbpar4X0EPLpiCLP0MJia2qTaIv8uNdDuoAo3QKQ7pNXqxnsRY7U5uWn73/f2n7kpRh Zv7BZGbnG8jMlu678+e5jdjgCvKqcO33DFmgIx9of57diczYw8Gx4F1HHPMVFsw9X+BE VDFoknMW5bZdmf765ddSfRlM0GT7f8hZHAKLacIOHl9pLGZ4fsLtzv+juswVzVMWlgRZ XXgac4ipMDpAXow7POpxelXzVeJZEuN7WNM/tJYBffAr/zzkkZr2y25dfIqu0qMlByX3 lclQ== X-Gm-Message-State: AOJu0YzKu+OupBTW2uUFrOoNd3e6nZE9ra4KQOOsIK6nK7RA+FRY7b3H 3CgSBuqXa/r3fkqU4wSzeHo0XbwZmrVGcQe3JEdWfjjXs1t7RwcXAFpMqUK/yfQlttCtj9/ME7u HVHbZ2Gcol1nH3xKoyUN33apHWn6StFD+8QTGaNwLABessZ9sdx8jlnTlyss= X-Google-Smtp-Source: AGHT+IGSRG0/4a5UG5oMoKFqPS3MvmRkf0uzT3yOx44IDv6zzg2KsUpr+ukdbFqvjBR+06MBrmukSpJvij/SogsmprjLk9ZtxOH8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3805:b0:426:9b42:2a06 with SMTP id e9e14a558f8ab-4269b422a6cmr149391725ab.3.1759021263037; Sat, 27 Sep 2025 18:01:03 -0700 (PDT) Date: Sat, 27 Sep 2025 18:01:03 -0700 In-Reply-To: <87ikh39zw1.fsf@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68d888cf.050a0220.25d7ab.0432.GAE@google.com> Subject: Re: [syzbot] [comedi?] UBSAN: shift-out-of-bounds in aio_iiro_16_attach From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, xandfury@gmail.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+f1bb7e4ea47ea12b535c@syzkaller.appspotmail.com Tested-by: syzbot+f1bb7e4ea47ea12b535c@syzkaller.appspotmail.com Tested on: commit: 66acb158 comedi: aio_iiro_16: Fix bit shift out of bou.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=156472e2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=14a96f8b241aaa26 dashboard link: https://syzkaller.appspot.com/bug?extid=f1bb7e4ea47ea12b535c compiler: gcc (Debian 12.2.0-14+deb12u1) 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.