From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 8556919C568 for ; Mon, 2 Sep 2024 12:45:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725281155; cv=none; b=bY1BajyS/0GHQChey1TIEkQJWFlSG+oSEXEL1KaElQZKUabi4qC7m9cdsl5eGbMtiw/wetkqoE6azaP10eVvYaDA6DCN56C/cvstE8BalBRCZkUg7nGrzgxI8DAtcfPzRNNS6WfZSxex3TDorQCcrzOeBEOpvKW2aq4CQpEZY1Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725281155; c=relaxed/simple; bh=uYsHxLuHJZIJr56L0Vvtawi4qoB2c+phHDBrTKbc0Sc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TduSjH1UHYmQcJSzVFP8dQdknzENx0JaJeSw9ZRYQPUnqz2cxcVgfdN2CzhoSN8QMdFy0vyEjvnd/UunV0LnKWWtSVNBlS5JCqZ8opzFdh2IS8eH1jCrMVVmWo8DDnQ8LK0Ib7K1+tsbofluQ7jzaRrOW1xKgJMULreWYEe3EWw= 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=209.85.166.70 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-f70.google.com with SMTP id ca18e2360f4ac-82a22983440so409195939f.1 for ; Mon, 02 Sep 2024 05:45:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725281153; x=1725885953; 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=uo+4GfjsR8tsHvCztE0nGkiZJOcVLBMdCgATtyGJMj0=; b=QI3BrbO+IMpa5nBU5pB+tLqHU7kgBjFNzztxfI2FQd+Zw9HinyMIHeAwAvYZBxpdam NTAABR0wySiAxoOmgg0QwAUJhfWGgQyxdkjZh8Zv0X9+r6QUsHaUspwRUE8VMqib7Iik EViW9IFiZpDHpBMsKtEiwVRFgDAsjVuGi2MM4BhQaM39XgYTRVp5BD4u1XDsR1xcvhDU BQhszVXWrgLxj7o9neS8JAyDG/ZoWgsR/3WyXYKJH27k6b3IUkAeO86yGfTBUPylBzre W10aImf10S1MaeEPC6y6rg6bUN7T2Jiz2YoAS2TEh1enwgz+D5hdaThWTOx71wtpRLjJ bmBA== X-Gm-Message-State: AOJu0YzHDj/CUMzML8KaeIm1jjN+tzPkCgH96c3oQio6zdRP4hC7SeXy Ig7n8GN85BonnUoHjs9CEE0GrIx6Xxi0VtYObBVb/7udtsqVsbQWB4gdF6RzQ23GfqMA3YwTS5n ZVC3Kj/CfLhP7eVeXZCv127IrG2L+VCSTJPQOJzqSgjNJ68eB0tIleas= X-Google-Smtp-Source: AGHT+IGGKQCsC5it4jGPvOvcSEK8hyGQ+y1qWAC5ruV0DIWkq8SavWn7oVniZOfuCPWHSo/RgHMgE7CV2ayoX9AnLJge/ia0VJoZ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:359f:b0:4be:d44b:de24 with SMTP id 8926c6da1cb9f-4d017d9e5fcmr355270173.2.1725281153668; Mon, 02 Sep 2024 05:45:53 -0700 (PDT) Date: Mon, 02 Sep 2024 05:45:53 -0700 In-Reply-To: <000000000000acfa76061fcca330@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004d698e0621225251@google.com> Subject: Re: [syzbot] possible fix 2 (upstream) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: possible fix 2 (upstream) Author: almaz.alexandrovich@paragon-software.com #syz test: upstream master diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index 128d49512f5d..c08bbacc0030 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -125,8 +125,9 @@ void ntfs_inode_printk(struct inode *inode, const char *fmt, ...) if (de) { spin_lock(&de->d_lock); - snprintf(name, sizeof(s_name_buf), " \"%s\"", - de->d_name.name); + if (snprintf(name, sizeof(s_name_buf), " \"%s\"", + de->d_name.name) >= sizeof(s_name_buf)) + name[sizeof(s_name_buf) - 1] = 0; spin_unlock(&de->d_lock); } else { name[0] = 0;