Linux kernel bug fix: bpf: Enforce expected_attach_type for tailcall compatibility
Subsystem: bpf (kernel/bpf/core.c)
Bug type: null-deref, severity: unknown
Keywords: null pointer;uninitialized
Files changed: include/linux/bpf.h;kernel/bpf/core.c
Introduced by Andrey Ignatov on 2018-03-31 02:14:44 +0200; fixed by Daniel Borkmann on 2025-09-27 06:24:27 -0700 (lifetime: 2737 days)