linux-kernel - Re: [PATCH] hfs: Fix uninitialized value issue in hfs

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Message-ID: <e43ec7eb-6acf-41e3-b7f9-f0391bf4cb65@gmail.com>
Date: Fri, 15 Nov 2024 21:22:31 +0530
From: Suraj Sonawane <surajsonawane0215@...il.com>
To: linux-fsdevel@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
 syzbot+18dd03a3fcf0ffe27da0@...kaller.appspotmail.com
Subject: Re: [PATCH] hfs: Fix uninitialized value issue in hfs_iget

On 23/09/24 23:30, SurajSonawane2415 wrote:
> Fix uninitialized value issue in hfs_iget by initializing the hfs_cat_rec
> structure in hfs_lookup.
> 
> Reported-by: syzbot+18dd03a3fcf0ffe27da0@...kaller.appspotmail.com
> Closes: https://syzkaller.appspot.com/bug?extid=18dd03a3fcf0ffe27da0
> Tested-by: syzbot+18dd03a3fcf0ffe27da0@...kaller.appspotmail.com
> Signed-off-by: SurajSonawane2415 <surajsonawane0215@...il.com>
> ---
>   fs/hfs/dir.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
> index b75c26045df4..3b880b3e4b4c 100644
> --- a/fs/hfs/dir.c
> +++ b/fs/hfs/dir.c
> @@ -20,7 +20,7 @@
>   static struct dentry *hfs_lookup(struct inode *dir, struct dentry *dentry,
>   				 unsigned int flags)
>   {
> -	hfs_cat_rec rec;
> +	hfs_cat_rec rec = {0};
>   	struct hfs_find_data fd;
>   	struct inode *inode = NULL;
>   	int res;

I wanted to follow up on the patch I submitted. I was wondering if you 
had a chance to review it and if there are any comments or feedback.

Thank you for your time and consideration. I look forward to your response.

Best regards,
Suraj Sonawane