[PATCH AUTOSEL 4.18 001/100] xfrm: Validate address prefix lengths in the xfrm selector.

From: Steffen Klassert [ Upstream commit 07bf7908950a8b14e81aa1807e3c667eab39287a ] We don't validate the address prefix lengths in the xfrm selector we got from userspace. This can lead to undefined behaviour in the address matching functions if the prefix is too big for the given address

[PATCH AUTOSEL 4.18 001/100] xfrm: Validate address prefix lengths in the xfrm selector.

From: Steffen Klassert [ Upstream commit 07bf7908950a8b14e81aa1807e3c667eab39287a ] We don't validate the address prefix lengths in the xfrm selector we got from userspace. This can lead to undefined behaviour in the address matching functions if the prefix is too big for the given address