diff options
Diffstat (limited to 'libs/binder/IPCThreadState.cpp')
| -rw-r--r-- | libs/binder/IPCThreadState.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp index b50cfb3d19..bfcf39ad30 100644 --- a/libs/binder/IPCThreadState.cpp +++ b/libs/binder/IPCThreadState.cpp @@ -1318,6 +1318,13 @@ status_t IPCThreadState::executeCommand(int32_t cmd) LOG_ONEWAY("Sending reply to %d!", mCallingPid); if (error < NO_ERROR) reply.setError(error); + // b/238777741: clear buffer before we send the reply. + // Otherwise, there is a race where the client may + // receive the reply and send another transaction + // here and the space used by this transaction won't + // be freed for the client. + buffer.setDataSize(0); + constexpr uint32_t kForwardReplyFlags = TF_CLEAR_BUF; sendReply(reply, (tr.flags & kForwardReplyFlags)); } else { |