diff --git a/init/snapuserd_transition.cpp b/init/snapuserd_transition.cpp index 5deaf3156..5c821b05c 100644 --- a/init/snapuserd_transition.cpp +++ b/init/snapuserd_transition.cpp @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -40,6 +41,7 @@ #include #include "block_dev_initializer.h" +#include "lmkd_service.h" #include "service_utils.h" #include "util.h" @@ -320,6 +322,14 @@ void SnapuserdSelinuxHelper::RelaunchFirstStageSnapuserd() { LOG(INFO) << "Relaunched snapuserd with pid: " << pid; + // Since daemon is not started as a service, we have + // to explicitly set the OOM score to default which is unkillable + std::string oom_str = std::to_string(DEFAULT_OOM_SCORE_ADJUST); + std::string oom_file = android::base::StringPrintf("/proc/%d/oom_score_adj", pid); + if (!android::base::WriteStringToFile(oom_str, oom_file)) { + PLOG(ERROR) << "couldn't write oom_score_adj to snapuserd daemon with pid: " << pid; + } + if (!TestSnapuserdIsReady()) { PLOG(FATAL) << "snapuserd daemon failed to launch"; } else {