selftests/bpf: Add deep call stack selftests

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Add tests that demonstrate the verifier support for deep call stacks
while still enforcing maximum stack size limits.

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/r/20260316161225.128011-3-emil@etsalapatis.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Emil Tsalapatis 2026-03-16 12:12:25 -04:00 • committed by Alexei Starovoitov

parent ad95d3c758

commit 01d5d2f7d9

2 changed files with 97 additions and 0 deletions

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

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95

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

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