Re: [PATCH net] chelsio/chtls: prevent potential integer overflow on 32bit

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On Fri, Dec 13, 2024 at 12:47:27PM +0300, Dan Carpenter wrote:
> The "gl->tot_len" variable is controlled by the user.  It comes from
> process_responses().  On 32bit systems, the "gl->tot_len +
> sizeof(struct cpl_pass_accept_req) + sizeof(struct rss_header)" addition
> could have an integer wrapping bug.  Use size_add() to prevent this.
> 
> Fixes: a08943947873 ("crypto: chtls - Register chtls with net tls")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> I fixed a similar bug earlier:
> https://lore.kernel.org/all/86b404e1-4a75-4a35-a34e-e3054fa554c7@stanley.mountain

Thanks Dan,

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>




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