Show precise rejected function when attaching fexit/fmod_ret to __noreturn functions. Add log for attaching tracing programs to functions in deny list. Add selftest for attaching tracing programs to functions in deny list. Migrate fexit_noreturns case into tracing_failure test suite.
changes: v3: - add tracing_deny case into existing files (Alexei) - migrate fexit_noreturns into tracing_failure - change SOB v2: - change verifier log message (Alexei) - add missing Suggested-by https://lore.kernel.org/bpf/20250714120408.1627128-1-mannka...@gmail.com/ v1: https://lore.kernel.org/all/20250710162717.3808020-1-mannka...@gmail.com/ --- KaFai Wan (4): bpf: Show precise rejected function when attaching fexit/fmod_ret to __noreturn functions bpf: Add log for attaching tracing programs to functions in deny list selftests/bpf: Add selftest for attaching tracing programs to functions in deny list selftests/bpf: Migrate fexit_noreturns case into tracing_failure test suite kernel/bpf/verifier.c | 5 +- .../bpf/prog_tests/fexit_noreturns.c | 9 ---- .../bpf/prog_tests/tracing_failure.c | 52 +++++++++++++++++++ .../selftests/bpf/progs/fexit_noreturns.c | 15 ------ .../selftests/bpf/progs/tracing_failure.c | 12 +++++ 5 files changed, 68 insertions(+), 25 deletions(-) delete mode 100644 tools/testing/selftests/bpf/prog_tests/fexit_noreturns.c delete mode 100644 tools/testing/selftests/bpf/progs/fexit_noreturns.c -- 2.43.0
