Files
linux/tools/testing/selftests/bpf/prog_tests
Yihan Ding 4198ff31ed selftests/bpf: cover UTF-8 trace_printk output
Extend trace_printk coverage to verify that UTF-8 literal text is
emitted successfully and that '%' parsing still rejects non-ASCII
bytes once format parsing starts.

Use an explicitly invalid format string for the negative case so the
ASCII-only parser expectation is visible from the test code itself.

Signed-off-by: Yihan Ding <dingyihan@uniontech.com>
Acked-by: Paul Chaignon <paul.chaignon@gmail.com>
Link: https://lore.kernel.org/r/20260416120142.1420646-3-dingyihan@uniontech.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2026-04-16 15:53:32 -07:00
..
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