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Commit 55f79a59 authored by Josh Gao's avatar Josh Gao
Browse files

tombstoned: turn off signal handlers. 

Don't try to connect to ourselves in a signal handler (e.g. if someone
does `killall -ABRT tombstoned`).

Test: killall -ABRT tombstoned
Change-Id: Ib69a206f741acb523c9f2883d474c940b6ebfab2
parent 8830c95d

debuggerd/tombstoned/tombstoned.cpp

+9 −0
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include <android-base/unique_fd.h>

#include <cutils/sockets.h>



#include "debuggerd/handler.h"

#include "debuggerd/protocol.h"

#include "debuggerd/util.h"
@@ -256,6 +257,14 @@ fail: 
int main(int, char* []) {

  umask(0137);



  // Don't try to connect to ourselves if we crash.

  struct sigaction action = {};

  action.sa_handler = [](int signal) {

    LOG(ERROR) << "received fatal signal " << signal;

    _exit(1);

  };

  debuggerd_register_handlers(&action);



  tombstone_directory_fd = open(kTombstoneDirectory, O_DIRECTORY | O_RDONLY | O_CLOEXEC);

  if (tombstone_directory_fd == -1) {

    PLOG(FATAL) << "failed to open tombstone directory";