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 A25F918595A for ; Mon, 2 Sep 2024 12:44:08 +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=1725281050; cv=none; b=i8k2/nOcvBIQIVCB42BBPWH0Xv8PUgfzZWA14jXaixdPnVkYYQgw8YIPVT0YAOPJG5ExNhYRp7OyOWJzpLQbzoR/QuTFut/cvXchCQAAn7zW90lhdYjI2p4biN/OeXt7j0gSV1r5omlf0SrJXGYEr/o0iiI/ykUWqj4bnWIbUnY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725281050; c=relaxed/simple; bh=L9YjJdt5qVTpKb9hlKOMIDsT11P8UqN48zp8cgv5cvo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dcdmcfJohg1s0ZpWnyk154MFwCBxw69v8GkzRMdZqEE2BoA554+d1I81v5gGM/foUSELrFFKK7MmIvDJv5peHqZ8ka/Ld6ap7NxdZy7Ln1u7n1V1ShJnnacSdtcal97x/qA7mE8dC0nO65b4fjaTUSHh4L/7Raq1XUnV+1KEd30= 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-39d465cd6ccso47210955ab.1 for ; Mon, 02 Sep 2024 05:44:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725281047; x=1725885847; 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=zUjA9cwVlwiFdbkB5vcCY21opGMvCeBFa3O1hEtR/6I=; b=dDV6LCRPPUBm4BuKWHbHsMTLWVmoWOMo/aYTY6rzBR7fxZrDpwyCWwvwjjSG0xQFoP 4alAuIFRvNj9/EAeyEGIzKeFjEfXgjJ4bku99uj928Uj+3Ja8dTSyTp2gBDs23kOeY+h yJ+NcAbW3ziDCfyCXDT1y/qzX+g4u9d672XkK5IU0XChZIV7H1av6QFNNb0vIUpbrOYt Y2VNkfUrFV/eEJdvM9ZFiP9O9dp1S2R2LDVUm5WIViSdqikDBD+HtUZtCVekLYN4V1Pb jaLnAziA/QMC6qEf3jfjhDJu27anaDRp57iflwZneg46CIWjESIkl6AkmBj6b7hPYeZU ZbLw== X-Gm-Message-State: AOJu0YxWJc7FbPXRVM2V8oOTtWoNFoLF+2dWZVUV6cFUIw42QZ9OYxcA DIlxjNbSJkFyxuhsHJK7jQydnwRpiR2PGnt2gNibuRXIj5/IhJz/hBSz9V+QGW71HZjEw6LGeLN 4ZAA5Lu4w80sw65JsWYXSgW5y7zKRuJGmGVv0kuUP6yM5PL9GriJVYzs= X-Google-Smtp-Source: AGHT+IEeSO75reI9+XG6FmKTuAudSWK6vCVeqPMlIqteFW2EDKVJibn7EWH0pLFLUjkcpC1UjkABjftdYPkTHO+YF+NW7vhq3S0J Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1fcb:b0:398:d1fe:9868 with SMTP id e9e14a558f8ab-39f4108b271mr7269995ab.4.1725281047719; Mon, 02 Sep 2024 05:44:07 -0700 (PDT) Date: Mon, 02 Sep 2024 05:44:07 -0700 In-Reply-To: <000000000000acfa76061fcca330@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000fcbfb30621224b65@google.com> Subject: Re: [syzbot] possible fix 2 (linux-ntfs3) 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 (linux-ntfs3) Author: almaz.alexandrovich@paragon-software.com #syz test: https://github.com/Paragon-Software-Group/linux-ntfs3.git 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;