Linux kernel bug fix: bpf: fix kallsyms handling for subprogs
Subsystem: bpf (kernel/bpf/verifier.c)
Bug type: use-after-free, severity: trivial
Keywords: refcount;use after free
Files changed: kernel/bpf/syscall.c;kernel/bpf/verifier.c
Introduced by Alexei Starovoitov on 2017-12-17 20:34:36 +0100; fixed by Daniel Borkmann on 2017-12-20 18:09:40 -0800 (lifetime: 2 days)