LineageOS/android_packages_modules_Connectivity
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boot time test of queryProgram()

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Test: TreeHugger
Bug: 292156770
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I6e4527a8cb5b5bfc033c5a4d09f0b78080c163c9
This commit is contained in:
Maciej Żenczykowski
2023-10-04 00:44:56 +00:00
parent 340e2ff355
commit 5b2611d044
1 changed files with 9 additions and 0 deletions
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9
netd/BpfHandler.cpp
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@@ -129,6 +129,15 @@ static Status initPrograms(const char* cg2_path) {
RETURN_IF_NOT_OK(
attachProgramToCgroup(CGROUP_SOCKET_PROG_PATH, cg_fd, BPF_CGROUP_INET_SOCK_CREATE));
}
// This should trivially pass, since we just attached up above,
// but BPF_PROG_QUERY is only implemented on 4.19+ kernels.
if (bpf::isAtLeastKernelVersion(4, 19, 0)) {
if (bpf::queryProgram(cg_fd, BPF_CGROUP_INET_EGRESS) <= 0) abort();
if (bpf::queryProgram(cg_fd, BPF_CGROUP_INET_INGRESS) <= 0) abort();
if (bpf::queryProgram(cg_fd, BPF_CGROUP_INET_SOCK_CREATE) <= 0) abort();
}
return netdutils::status::ok;
}