selftests/bpf: Add assert for user stacks in test_task_stack

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commit 727a92d62f upstream.

This is a follow up to:
commit b8e3a87a62 ("bpf: Add crosstask check to __bpf_get_stack").

This test ensures that the task iterator only gets a single
user stack (for the current task).

Signed-off-by: Jordan Rome <linux@jordanrome.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/bpf/20231112023010.144675-1-linux@jordanrome.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jordan Rome 2023-11-11 18:30:10 -08:00 • committed by Greg Kroah-Hartman

parent 3590da14e1

commit 60a9a5fca6

2 changed files with 7 additions and 0 deletions

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2

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

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5

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

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