1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: Kretprobe dynamic event with maxactive 4 5[ -f kprobe_events ] || exit_unsupported # this is configurable 6grep -q 'r\[maxactive\]' README || exit_unsupported # this is older version 7 8# Test if we successfully reject unknown messages 9if echo 'a:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi 10 11# Test if we successfully reject too big maxactive 12if echo 'r1000000:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi 13 14# Test if we successfully reject unparsable numbers for maxactive 15if echo 'r10fuzz:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi 16 17# Test for kretprobe with event name without maxactive 18echo 'r:myprobeaccept inet_csk_accept' > kprobe_events 19grep myprobeaccept kprobe_events 20test -d events/kprobes/myprobeaccept 21echo '-:myprobeaccept' >> kprobe_events 22 23# Test for kretprobe with event name with a small maxactive 24echo 'r10:myprobeaccept inet_csk_accept' > kprobe_events 25grep myprobeaccept kprobe_events 26test -d events/kprobes/myprobeaccept 27echo '-:myprobeaccept' >> kprobe_events 28 29# Test for kretprobe without event name without maxactive 30echo 'r inet_csk_accept' > kprobe_events 31grep inet_csk_accept kprobe_events 32echo > kprobe_events 33 34# Test for kretprobe without event name with a small maxactive 35echo 'r10 inet_csk_accept' > kprobe_events 36grep inet_csk_accept kprobe_events 37echo > kprobe_events 38