Re: [PATCH v2] accel/qaic: Fix integer overflow in qaic_validate_req()

From: Jeff Hugo
Date: Fri Mar 14 2025 - 12:46:35 EST


On 3/7/2025 1:41 AM, Dan Carpenter wrote:
These are u64 variables that come from the user via
qaic_attach_slice_bo_ioctl(). Use check_add_overflow() to ensure that
the math doesn't have an integer wrapping bug.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: ff13be830333 ("accel/qaic: Add datapath")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Thanks!

Reviewed-by: Jeff Hugo <jeff.hugo@xxxxxxxxxxxxxxxx>