bpf, btf: Enforce destructor kfunc type with CFI

Ensure that registered destructor kfuncs have the same type
as btf_dtor_kfunc_t to avoid a kernel panic on systems with
CONFIG_CFI enabled.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20260110082548.113748-10-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Sami Tolvanen 2026-01-10 08:25:53 +00:00 • committed by Alexei Starovoitov
commit 99fde4d062