selftests/bpf: Test FIONREAD on a sockmap socket without a verdict program

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Add a test validating that FIONREAD on a TCP socket in a sockmap
without a verdict program reports data pending in sk_receive_queue.

Signed-off-by: Mattia Meleleo <mattia.meleleo@coralogix.com>
Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20260708-fionread-no-verdict-v3-2-b4ee31b3af53@coralogix.com
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>

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Mattia Meleleo 2026-07-08 18:55:01 +02:00 • committed by Kumar Kartikeya Dwivedi

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commit a42f05cc4c

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

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