CVE-2026-90299 bpf: Fix sleepable check for tracing/lsm prog

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix sleepable check for tracing/lsm prog When CONFIGFUNCTIONERRORINJECTION is disabled, a sleepable tracing prog is allowed to attach to 'x64'-alike prefix symbols. It is because the verifier does not verify whether the symb...