Description: bpf: Fix masking negation logic upon negative dst register
References:
Notes:
 carnil> Introduced in 979d63d50c0c ("bpf: prevent out of bounds speculation on pointer
 carnil> arithmetic"). Vulnerable versions: 4.14.113 4.19.19 4.20.6 5.0-rc1.
Bugs:
upstream: released (5.13-rc1) [b9b34ddbe2076ade359cd5ce7537d5ed019e9807]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.35) [2cfa537674cd1051a3b8111536d77d0558f33d5d]
4.19-upstream-stable: released (4.19.190) [0e2dfdc74a7f4036127356d42ea59388f153f42c]
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: released (4.19.194-1)