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Submitted by Sebastien Bacher

Assigned to Wayland bug list

Link to original bug (#103437)

Description

Using gnome-software under valgrind on Ubuntu 17.10 that error got listed

==8911== Syscall param sendmsg(msg.msg_iov[0]) points to uninitialised byte(s)
==8911==    at 0x82DBEF0: sendmsg (sendmsg.c:28)
==8911==    by 0xC87C15C: wl_connection_flush.part.3 (connection.c:300)
==8911==    by 0xC87B987: wl_display_flush (wayland-client.c:1869)
==8911==    by 0x6764032: gdk_event_source_prepare (gdkeventsource.c:65)
==8911==    by 0x55506A7: g_main_context_prepare (gmain.c:3450)
==8911==    by 0x555109A: g_main_context_iterate.isra.30 (gmain.c:3866)
==8911==    by 0x555127B: g_main_context_iteration (gmain.c:3947)
==8911==    by 0x58BAC4C: g_application_run (gapplication.c:2401)
==8911==    by 0x12A117: main (gs-main.c:59)
==8911==  Address 0x15fb78b4 is 6,420 bytes inside a block of size 16,424 alloc'd
==8911==    at 0x4C31B25: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==8911==    by 0xC87C291: zalloc (wayland-private.h:234)
==8911==    by 0xC87C291: wl_connection_create (connection.c:166)
==8911==    by 0xC87AEDD: wl_display_connect_to_fd (wayland-client.c:972)
==8911==    by 0xC87B010: wl_display_connect (wayland-client.c:1024)
==8911==    by 0x6762513: _gdk_wayland_display_open (gdkdisplay-wayland.c:537)
==8911==    by 0x6705C12: gdk_display_manager_open_display (gdkdisplaymanager.c:472)
==8911==    by 0x5FEA0C9: gtk_init_check (gtkmain.c:1103)
==8911==    by 0x5FEA0F8: gtk_init (gtkmain.c:1160)
==8911==    by 0x5EC9089: gtk_application_startup (gtkapplication.c:293)
==8911==    by 0x13513D: gs_application_startup (gs-application.c:778)
==8911==    by 0x52C1F9C: g_closure_invoke (gclosure.c:804)
==8911==    by 0x52D4DAD: signal_emit_unlocked_R (gsignal.c:3565)