mirror of git://git.sysmocom.de/ofono
gdbus: Fix segfault when D-Bus daemon exits
Fix this crash if D-Bus exits while the client is still connected to it: ==5570== Invalid read of size 1 ==5570== at 0x402D28E: strcmp (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so) ==5570== by 0x4070E22: g_str_equal (ghash.c:1704) ==5570== by 0x8055F61: message_filter (client.c:1123) ==5570== by 0x4141500: dbus_connection_dispatch (in /lib/i386-linux-gnu/libdbus-1.so.3.5.8) ==5570== by 0x80506F7: message_dispatch (mainloop.c:76) ==5570== by 0x4081A7E: g_timeout_dispatch (gmain.c:3882) ==5570== by 0x4080D85: g_main_context_dispatch (gmain.c:2539) ==5570== by 0x4081124: g_main_context_iterate.isra.21 (gmain.c:3146) ==5570== by 0x408156A: g_main_loop_run (gmain.c:3340) ==5570== by 0x41BF4D2: (below main) (libc-start.c:226) ==5570== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==5570== ==5570==
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@ -1119,6 +1119,8 @@ static DBusHandlerResult message_filter(DBusConnection *connection,
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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sender = dbus_message_get_sender(message);
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if (sender == NULL)
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return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
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if (g_str_equal(sender, DBUS_SERVICE_DBUS) == TRUE) {
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const char *interface, *member;
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