CVE-2024-35917 s390/bpf: Fix bpf_plt pointer arithmetic

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Fix bpfplt pointer arithmetic Kui-Feng Lee reported a crash on s390x triggered by the dummystops/dummyinitptrarg test 1: 0x2 bpfstructopstestrun+0x156/0x250 sysbpf+0xa1a/0xd00 s390xsysbpf+0x44/0x50 dosyscall+0x244/0x300...