selftests/bpf: Add test to ensure kprobe_multi is not sleepable

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Add a selftest to ensure that kprobe_multi programs cannot be attached
using the BPF_F_SLEEPABLE flag. This test succeeds when the kernel
rejects attachment of kprobe_multi when the BPF_F_SLEEPABLE flag is set.

Suggested-by: Leon Hwang <leon.hwang@linux.dev>
Signed-off-by: Varun R Mallya <varunrmallya@gmail.com>
Link: https://lore.kernel.org/r/20260408190137.101418-3-varunrmallya@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Varun R Mallya 2026-04-09 00:31:37 +05:30 • committed by Alexei Starovoitov

parent 4f64d5b664

commit c7cab53f9d

2 changed files with 59 additions and 1 deletions

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35

tools/testing/selftests/bpf/prog_tests/kprobe_multi_test.c

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25

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

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