selftests/bpf: Extend bpf_iter_unix to attempt deadlocking

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Updating a sockmap from a unix iterator prog may lead to a deadlock.
Piggyback on the original selftest.

Signed-off-by: Michal Luczaj <mhal@rbox.co>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260414-unix-proto-update-null-ptr-deref-v4-3-2af6fe97918e@rbox.co

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Michal Luczaj 2026-04-14 16:13:17 +02:00 • committed by Martin KaFai Lau

parent 4d328dd695

commit 997b8483d4

1 changed files with 10 additions and 0 deletions

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

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