bpf: Allow void global functions in the verifier

Browse source

Global subprogs are currently not allowed to return void. Adjust
verifier logic to allow global functions with a void return type.

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/r/20260228184759.108145-5-emil@etsalapatis.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

This commit is contained in:

Emil Tsalapatis 2026-02-28 13:47:58 -05:00 • committed by Alexei Starovoitov

parent 69ca55e631

commit 8446ded1e1

4 changed files with 60 additions and 12 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

7

kernel/bpf/btf.c

View file

61

kernel/bpf/verifier.c

View file

2

tools/testing/selftests/bpf/progs/exceptions_fail.c

View file

2

tools/testing/selftests/bpf/progs/test_global_func7.c

View file