Re: [PATCH stable 5.15 1/1] selftests/bpf: Add test_verifier support to fixup kfunc call insns

[Greg KH]

On Fri, Jul 01, 2022 at 09:08:58PM +0800, Po-Hsu Lin wrote:
> From: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
> 
> commit 0201b80772ac2b712bbbfe783cdb731fdfb4247e upstream.
> 
> This allows us to add tests (esp. negative tests) where we only want to
> ensure the program doesn't pass through the verifier, and also verify
> the error. The next commit will add the tests making use of this.
> 
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
> Link: https://lore.kernel.org/r/20220114163953.1455836-9-memxor@xxxxxxxxx
> Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
> [PHLin: backport due to lack of fixup_map_timer]
> Signed-off-by: Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>
> ---
>  tools/testing/selftests/bpf/test_verifier.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)

Now queued up, thanks.

greg k-h