Description: bpf: Remove MTU check in __bpf_skb_max_len
References:
 https://source.android.com/security/bulletin/pixel/2021-10-01
Notes:
Bugs:
upstream: released (5.12-rc1) [6306c1189e77a513bf02720450bb43bd4ba5d8ae]
5.10-upstream-stable: released (5.10.28) [fd38d4e6757b6b99f60314f67f44a286f0ab7fc0]
4.19-upstream-stable: released (4.19.185) [8c1a77ae15ce70a72f26f4bb83c50f769011220c]
4.9-upstream-stable: released (4.9.265) [1636af9e8a8840f5696ad2c01130832411986af4]
sid: released (5.10.28-1)
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: released (4.19.194-1)
4.9-stretch-security: released (4.9.272-1)