Re: [PATCH][next] io-wq: fix unintentional integer overflow on left shift

[Jens Axboe]

On 10/25/19 6:43 AM, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> Shifting the integer value 1U is evaluated with type unsigned int
> using 32-bit arithmetic and then used in an expression that expects
> a 64-bit value, so there is potentially an integer overflow. Fix this
> by using the BIT_ULL macro to perform the shift and avoid the overflow.

Good catch, that should indeed have been 1ULL. I'll fold in your
fix, thanks!

-- 
Jens Axboe