On Sat, 30 Nov 2024 13:06:41 +0300, Dan Carpenter wrote:
> In the expression "cmd.wqe_size * cmd.wr_count", both variables are u32
> values that come from the user so the multiplication can lead to integer
> wrapping. Then we pass the result to uverbs_request_next_ptr() which also
> could potentially wrap. The "cmd.sge_count * sizeof(struct ib_uverbs_sge)"
> multiplication can also overflow on 32bit systems although it's fine on
> 64bit systems.
>
> [...]
Applied, thanks!
[1/1] RDMA/uverbs: Prevent integer overflow issue
https://git.kernel.org/rdma/rdma/c/d0257e089d1bbd
Best regards,
--
Leon Romanovsky <leon@xxxxxxxxxx>
