bpf: Protect probed address based on kptr_restrict setting
The probed address can be accessed by userspace through querying the task file descriptor (fd). However, it is crucial to adhere to the kptr_restrict setting and refrain from exposing the address if it is not permitted. Signed-off-by:Yafang Shao <laoar.shao@gmail.com> Acked-by:
Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/r/20230709025630.3735-5-laoar.shao@gmail.com Signed-off-by:
Alexei Starovoitov <ast@kernel.org>
parent
edd7f49b
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