bpf: test the correct stack liveness of tail calls

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A new test is added: caller_stack_write_tail_call tests that the live
stack is correctly tracked for a tail call.

Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Martin Teichmann <martin.teichmann@xfel.eu>
Link: https://lore.kernel.org/r/20251119160355.1160932-5-martin.teichmann@xfel.eu
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Eduard Zingerman 2025-11-19 17:03:55 +01:00 • committed by Alexei Starovoitov

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commit 8f7cf305a1

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

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