42 lines
1.4 KiB
Bash
42 lines
1.4 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Kretprobe dynamic event with maxactive
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[ -f kprobe_events ] || exit_unsupported # this is configurable
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grep -q 'r\[maxactive\]' README || exit_unsupported # this is older version
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echo > kprobe_events
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# Test if we successfully reject unknown messages
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if echo 'a:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
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# Test if we successfully reject too big maxactive
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if echo 'r1000000:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
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# Test if we successfully reject unparsable numbers for maxactive
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if echo 'r10fuzz:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
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# Test for kretprobe with event name without maxactive
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echo 'r:myprobeaccept inet_csk_accept' > kprobe_events
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grep myprobeaccept kprobe_events
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test -d events/kprobes/myprobeaccept
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echo '-:myprobeaccept' >> kprobe_events
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# Test for kretprobe with event name with a small maxactive
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echo 'r10:myprobeaccept inet_csk_accept' > kprobe_events
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grep myprobeaccept kprobe_events
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test -d events/kprobes/myprobeaccept
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echo '-:myprobeaccept' >> kprobe_events
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# Test for kretprobe without event name without maxactive
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echo 'r inet_csk_accept' > kprobe_events
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grep inet_csk_accept kprobe_events
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echo > kprobe_events
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# Test for kretprobe without event name with a small maxactive
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echo 'r10 inet_csk_accept' > kprobe_events
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grep inet_csk_accept kprobe_events
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echo > kprobe_events
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clear_trace
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