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bpf: preserve sleepable bit in subprog info

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Copy over main program's sleepable bit into subprog's info. This might
be important for, e.g., freplace cases.

Suggested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Stanislav Fomichev <sdf@google.com>
Message-ID: <20240314000127.3881569-1-andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Andrii Nakryiko 2024-03-13 17:01:27 -07:00 committed by Alexei Starovoitov
parent 6cda7e1739
commit 4d8926a040
1 changed files with 1 additions and 0 deletions
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kernel/bpf/verifier.c
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@ -19158,6 +19158,7 @@ static int jit_subprogs(struct bpf_verifier_env *env)
if (bpf_prog_calc_tag(func[i]))
goto out_free;
func[i]->is_func = 1;
func[i]->sleepable = prog->sleepable;
func[i]->aux->func_idx = i;
/* Below members will be freed only at prog->aux */
func[i]->aux->btf = prog->aux->btf;