linux-kernel - Re: [PATCH bpf-next v3 3/3] bpf: Add a selftest for bpf_ima_inode

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Message-ID: <CACYkzJ4w8RzJPqRZ9hZ=EdoX1qMr3UvA+V3nyse+NSvPAJem9g@mail.gmail.com>
Date:   Thu, 26 Nov 2020 16:18:16 +0100
From:   KP Singh <kpsingh@...omium.org>
To:     Yonghong Song <yhs@...com>
Cc:     James Morris <jmorris@...ei.org>,
        open list <linux-kernel@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>,
        Linux Security Module list 
        <linux-security-module@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Florent Revest <revest@...omium.org>,
        Brendan Jackman <jackmanb@...omium.org>,
        Mimi Zohar <zohar@...ux.ibm.com>
Subject: Re: [PATCH bpf-next v3 3/3] bpf: Add a selftest for bpf_ima_inode_hash

[...]

> > +             exit(errno);
>
> Running test_progs-no-alu32, the test failed as:
>
> root@...h-fb-vm1:~/net-next/net-next/tools/testing/selftests/bpf
> ./test_progs-no_alu32 -t test_ima

Note to self: Also start testing test_progs-no_alu32

>
> sh: ./ima_setup.sh: No such file or directory
>
> sh: ./ima_setup.sh: No such file or directory
>
> test_test_ima:PASS:skel_load 0 nsec
>
> test_test_ima:PASS:attach 0 nsec
>
> test_test_ima:PASS:mkdtemp 0 nsec
>
> test_test_ima:FAIL:56
>
> test_test_ima:FAIL:71
>
> #114 test_ima:FAIL
>
> Summary: 0/0 PASSED, 0 SKIPPED, 1 FAILED
>
> Although the file is indeed in this directory:
> root@...h-fb-vm1:~/net-next/net-next/tools/testing/selftests/bpf ls
> ima_setup.sh
> ima_setup.sh
>
> I think the execution actually tries to get file from
> no_alu32 directory to avoid reusing the same files in
> .../testing/selftests/bpf for -mcpu=v3 purpose.
>
> The following change, which copies ima_setup.sh to
> no_alu32 directory, seems fixing the issue:

Thanks!

>
> TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c
>      \
>                           network_helpers.c testing_helpers.c            \
>                           btf_helpers.c  flow_dissector_load.h
>   TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read                          \
> +                      ima_setup.sh                                     \
>                         $(wildcard progs/btf_dump_test_case_*.c)
>   TRUNNER_BPF_BUILD_RULE := CLANG_BPF_BUILD_RULE
>   TRUNNER_BPF_CFLAGS := $(BPF_CFLAGS) $(CLANG_CFLAGS)
>
> Could you do a followup on this?

Yes, I will send out a fix today.

- KP