Re: [PATCH net v3] ptp: Add a upper bound on max_vclocks

[Richard Cochran]

On Thu, Sep 25, 2025 at 09:29:08PM +0530, I Viswanath wrote:
> syzbot reported WARNING in max_vclocks_store.
> 
> This occurs when the argument max is too large for kcalloc to handle.
> 
> Extend the guard to guard against values that are too large for
> kcalloc
> 
> Reported-by: syzbot+94d20db923b9f51be0df@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=94d20db923b9f51be0df
> Tested-by: syzbot+94d20db923b9f51be0df@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: 73f37068d540 ("ptp: support ptp physical/virtual clocks conversion")
> Signed-off-by: I Viswanath <viswanathiyyappan@xxxxxxxxx>

Acked-by: Richard Cochran <richardcochran@xxxxxxxxx>