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fix: Add boundary protection for array access

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This commit is contained in:
Yang Hau
2022-09-28 08:36:45 +08:00
committed by Beat Küng
parent 2dcde93d96
commit 5d39fdba6d
1 changed files with 5 additions and 0 deletions
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src/drivers/cyphal/NodeManager.cpp
+5
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@@ -87,6 +87,11 @@ bool NodeManager::HandleNodeIDRequest(uavcan_pnp_NodeIDAllocationData_1_0 &msg)
} }
} }
if (i + 1 > sizeof(nodeid_registry) / sizeof(nodeid_registry[0])) {
PX4_ERR("access out of bounds nodeid_registry");
return false;
}
nodeid_registry[i].register_setup = false; // Re-instantiate register setup nodeid_registry[i].register_setup = false; // Re-instantiate register setup
nodeid_registry[i].register_index = 0; nodeid_registry[i].register_index = 0;
nodeid_registry[i].retry_count = 0; nodeid_registry[i].retry_count = 0;