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Merge "detect inability to write to index != 0 of bpf map array" am: 515bf77a8a am: 199dce675c

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Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/2168142

Change-Id: I96a82ee21643626386f3ca5ef6609947864ddf4e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Treehugger Robot 2022-07-29 02:31:07 +00:00 committed by Automerger Merge Worker
commit 730471caac
1 changed files with 9 additions and 0 deletions
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9
bpfloader/BpfLoader.cpp
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@ -275,6 +275,15 @@ int main(int argc, char** argv) {
} }
} }
int key = 1;
int value = 123;
android::base::unique_fd map(
android::bpf::createMap(BPF_MAP_TYPE_ARRAY, sizeof(key), sizeof(value), 2, 0));
if (android::bpf::writeToMapEntry(map, &key, &value, BPF_ANY)) {
ALOGE("Critical kernel bug - failure to write into index 1 of 2 element bpf map array.");
return 1;
}
if (android::base::SetProperty("bpf.progs_loaded", "1") == false) { if (android::base::SetProperty("bpf.progs_loaded", "1") == false) {
ALOGE("Failed to set bpf.progs_loaded property"); ALOGE("Failed to set bpf.progs_loaded property");
return 1; return 1;