From: Gen Zhang <[email protected]> Date: Fri, 24 May 2019 11:24:26 +0800
> In function ip_ra_control(), the pointer new_ra is allocated a memory > space via kmalloc(). And it is used in the following codes. However, > when there is a memory allocation error, kmalloc() fails. Thus null > pointer dereference may happen. And it will cause the kernel to crash. > Therefore, we should check the return value and handle the error. > > Signed-off-by: Gen Zhang <[email protected]> Applied.
