Description: openvswitch: fix OOB access in reserve_sfa_size()
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2084479
Notes:
Bugs:
upstream: released (5.18-rc4) [cefa91b2332d7009bc0be5d951d6cbbf349f90f8]
5.10-upstream-stable: released (5.10.113) [0837ff17d052b7d755d5086208c3445867aaff82]
4.19-upstream-stable: released (4.19.240) [bbbf059337f9a74285c1cf088ff85ee92d149e64]
sid: released (5.17.6-1)
5.10-bullseye-security: released (5.10.113-1)
4.19-buster-security: released (4.19.249-1)