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554e4eb9e4
Add code to directly test the output of libarena ASAN tests. The code reuses testing infrastructure originally for BPF streams to verify that ASAN emits call stacks when the selftests trigger a memory error. Since stderr() testing uses logic from test_progs, it is only available on the test_progs-based selftest runner. The standalone runner still uses internal ASAN state to verify access errors are triaged as expected. Signed-off-by: Emil Tsalapatis <emil@etsalapatis.com> Link: https://lore.kernel.org/r/20260426190338.4615-9-emil@etsalapatis.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>