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-rw-r--r--libs/binder/ProcessState.cpp16
1 files changed, 14 insertions, 2 deletions
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index 1c74e7b077..63f49ddba7 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -181,8 +181,20 @@ bool ProcessState::becomeContextManager(context_check_func checkFunc, void* user
mBinderContextCheckFunc = checkFunc;
mBinderContextUserData = userData;
- int dummy = 0;
- status_t result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR, &dummy);
+ flat_binder_object obj {
+ .flags = FLAT_BINDER_FLAG_TXN_SECURITY_CTX,
+ };
+
+ status_t result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR_EXT, &obj);
+
+ // fallback to original method
+ if (result != 0) {
+ android_errorWriteLog(0x534e4554, "121035042");
+
+ int dummy = 0;
+ result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR, &dummy);
+ }
+
if (result == 0) {
mManagesContexts = true;
} else if (result == -1) {