Description: bpf: Fix accesses to uninit stack slots
References:
Notes:
 carnil> Introduced with 01f810ace9ed3 ("bpf: Allow variable-offset
 carnil> stack access") in 5.12-rc1 (and backported to 5.10.33)
Bugs:
upstream: released (6.8-rc1) [6b4a64bafd107e521c01eec3453ce94a3fb38529]
6.1-upstream-stable: needed
5.10-upstream-stable: needed
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.6.15-1)
6.1-bookworm-security: needed
5.10-bullseye-security: needed
4.19-buster-security: N/A "Vulnerable code not present"