[08:37:58][root@rc7]# './test_progs -t send_signal'
#141/1   send_signal/send_signal_tracepoint:OK
#141/2   send_signal/send_signal_perf:OK
#141/3   send_signal/send_signal_nmi:OK
#141/4   send_signal/send_signal_tracepoint_thread:OK
#141/5   send_signal/send_signal_perf_thread:OK
#141/6   send_signal/send_signal_nmi_thread:OK
#141     send_signal:OK
#142     send_signal_sched_switch:OK
Summary: 2/6 PASSED, 0 SKIPPED, 0 FAILED
:: [  PASS  ] :: Command './test_progs -t send_signal' (Expected 0, got 0, score )

[08:38:00][root@rc7]# './test_progs-no_alu32 -t send_signal'
:: [  FAIL  ] :: Command './test_progs-no_alu32 -t send_signal' (Expected 0, got 255, score 140)

=== Dmesg result ===
[ 1181.798496] test_progs[16611] is installing a program with bpf_probe_write_user helper that may corrupt user memory!
[ 1280.472683] hrtimer: interrupt took 126615 ns
:: [  FAIL  ] :: Test '141..254 selftests: bpf_test_progs:send_signal [FAIL]'