mirror of https://github.com/torvalds/linux.git
a4985a1755
Add iter_buf_null_fail with two tests and a test runner:
- iter_buf_null_deref: verifier must reject direct dereference of
ctx->key (PTR_TO_BUF | PTR_MAYBE_NULL) without a null check
- iter_buf_null_check_ok: verifier must accept dereference after
an explicit null check
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Reviewed-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Qi Tang <tpluszz77@gmail.com>
Link: https://lore.kernel.org/r/20260407145421.4315-1-tpluszz77@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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