Description: tcp: add sanity checks to rx zerocopy
References:
Notes:
 carnil> Introduced in 93ab6cc69162 ("tcp: implement mmap() for zero copy receive").
 carnil> Vulnerable versions: 4.18-rc1.
Bugs:
upstream: released (6.8-rc3) [577e4432f3ac810049cb7e6b71f4d96ec7c6e894]
6.7-upstream-stable: released (6.7.4) [1b8adcc0e2c584fec778add7777fe28e20781e60]
6.6-upstream-stable: released (6.6.16) [d15cc0f66884ef2bed28c7ccbb11c102aa3a0760]
6.1-upstream-stable: released (6.1.77) [b383d4ea272fe5795877506dcce5aad1f6330e5e]
5.10-upstream-stable: released (5.10.210) [f48bf9a83b1666d934247cb58a9887d7b3127b6f]
4.19-upstream-stable: needed
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: needed