linux-kernel - Re: [PATCH] udf: Use kvzalloc() in udf_sb_alloc

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Message-ID: <741486db-29e8-e24e-32c1-9559e3a76a06@linux.com>
Date:   Thu, 27 Aug 2020 18:28:35 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     Jan Kara <jack@...e.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] udf: Use kvzalloc() in udf_sb_alloc_bitmap()


> @@ -1013,10 +1013,7 @@ static struct udf_bitmap *udf_sb_alloc_bitmap(struct super_block *sb, u32 index)
>  	size = sizeof(struct udf_bitmap) +
>  		(sizeof(struct buffer_head *) * nr_groups);

I missed that this size is a good place to use struct_size for
overflow checking. I will send v2 instead.