selftests/bpf: Test using slice after invalidating dynptr clone

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The parent object of a cloned dynptr is skb not the original dynptr.
Invalidate the original dynptr should not prevent the program from
using the slice derived from the cloned dynptr.

Signed-off-by: Amery Hung <ameryhung@gmail.com>
Link: https://lore.kernel.org/r/20260529014936.2811085-12-ameryhung@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Amery Hung 2026-05-28 18:49:34 -07:00 • committed by Alexei Starovoitov

parent fbcc68af60

commit 925320666e

2 changed files with 82 additions and 0 deletions

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8

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

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74

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

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