Merge branch 'bpf: Allow helpers access ptr_to_btf_id.'

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Alexei Starovoitov says:

====================

From: Alexei Starovoitov <ast@kernel.org>

Allow code like:
bpf_strncmp(task->comm, 16, "foo");
====================

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>

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Martin KaFai Lau 2023-03-13 23:08:21 -07:00

parent b9fe8e8d03 f25fd60882

commit 283b40c52d

4 changed files with 56 additions and 1 deletions

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2

kernel/bpf/helpers.c

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15

kernel/bpf/verifier.c

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36

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

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4

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

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