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Commit 8b0c61d3 authored by Nick Kralevich's avatar Nick Kralevich
Browse files

heapdump: use appendable file descriptor 

For heapdump functionality, there's no need to give apps
readable/writable file descriptors. An append-only file descriptor
is sufficient.

Bug: 20073185
Change-Id: Ib2c42a72b2704db5f1b919c24e33609f7a45e57a
parent 37c905e6

services/core/java/com/android/server/am/ActivityManagerService.java

+2 −1
Original line number Diff line number Diff line
@@ -17467,7 +17467,8 @@ public final class ActivityManagerService extends ActivityManagerNative 
                                fd = ParcelFileDescriptor.open(heapdumpFile,

                                        ParcelFileDescriptor.MODE_CREATE |

                                                ParcelFileDescriptor.MODE_TRUNCATE |

                                                ParcelFileDescriptor.MODE_READ_WRITE);

                                                ParcelFileDescriptor.MODE_WRITE_ONLY |

                                                ParcelFileDescriptor.MODE_APPEND);

                                IApplicationThread thread = myProc.thread;

                                if (thread != null) {

                                    try {