Re: [PATCH] i2c: mux: harden i2c_mux_alloc() against integer overflows

Wolfram Sang
2022-09-21T20:13:33Z

[-- Attachment #1: Type: text/plain, Size: 583 bytes --]

On Thu, Sep 15, 2022 at 02:30:58PM +0300, Dan Carpenter wrote:
> A couple years back we went through the kernel an automatically
> converted size calculations to use struct_size() instead. The
> struct_size() calculation is protected against integer overflows.
>
> However it does not make sense to use the result from struct_size()
> for additional math operations as that would negate any safeness.
>
> Fixes: 1f3b69b6b939 ("i2c: mux: Use struct_size() in devm_kzalloc()")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied to for-current, thanks!

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]