Weston 1.7 memleaks

Titus Johnson tiwinjo at gmail.com
Wed Feb 18 18:41:33 PST 2015 

Just checking mem leaks.
Is this normal or are we shooting for zero leaks?

[21:32:52.432] weston 1.7.0
                http://wayland.freedesktop.org
                Bug reports to: 
https://bugs.freedesktop.org/enter_bug.cgi?product=Wayland&component=weston&version=1.7.0
                Build: 1.6.93-9-gdbd8606 configure.ac: bump to version 
1.7.0 for release (2015-02-13 20:47:09 -0800)
[21:32:52.484] OS: Linux, 3.18.6-1-ARCH, #1 SMP PREEMPT Sat Feb 7 
08:44:05 CET 2015, x86_64
[21:32:52.495] Starting with no config file.
[21:32:52.508] Loading module '/usr/lib/weston/x11-backend.so'
[21:32:52.621] initializing x11 backend
[21:32:52.722] Loading module '/usr/lib/weston/gl-renderer.so'
[21:32:53.301] warning: EGL_EXT_buffer_age not supported. Performance 
could be affected.
[21:32:53.301] warning: EGL_EXT_swap_buffers_with_damage not supported. 
Performance could be affected.
[21:32:53.302] Using gl renderer
[21:32:53.304] launching '/usr/lib/weston/weston-keyboard'
[21:32:53.939] EGL version: 1.4 (DRI2)
[21:32:53.939] EGL vendor: Mesa Project
[21:32:53.940] EGL client APIs: OpenGL OpenGL_ES OpenGL_ES2 OpenGL_ES3
[21:32:53.940] EGL extensions: EGL_MESA_drm_image 
EGL_MESA_configless_context
                EGL_WL_bind_wayland_display EGL_KHR_image_base
                EGL_KHR_image_pixmap EGL_KHR_image 
EGL_KHR_gl_texture_2D_image
                EGL_KHR_gl_texture_cubemap_image 
EGL_KHR_gl_renderbuffer_image
                EGL_KHR_surfaceless_context EGL_KHR_create_context
                EGL_NOK_swap_region EGL_NOK_texture_from_pixmap
                EGL_CHROMIUM_sync_control EGL_EXT_create_context_robustness
                EGL_EXT_image_dma_buf_import EGL_NV_post_sub_buffer
[21:32:53.943] GL version: OpenGL ES 3.0 Mesa 10.4.4
[21:32:53.943] GLSL version: OpenGL ES GLSL ES 3.0
[21:32:53.943] GL vendor: Intel Open Source Technology Center
[21:32:53.946] GL renderer: Mesa DRI Intel(R) Haswell Mobile
[21:32:53.946] GL extensions: GL_EXT_blend_minmax GL_EXT_multi_draw_arrays
                GL_EXT_texture_filter_anisotropic
                GL_EXT_texture_compression_dxt1 
GL_EXT_texture_format_BGRA8888
                GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth24
                GL_OES_element_index_uint GL_OES_fbo_render_mipmap
                GL_OES_mapbuffer GL_OES_rgb8_rgba8 
GL_OES_standard_derivatives
                GL_OES_stencil8 GL_OES_texture_3D GL_OES_texture_npot
                GL_OES_EGL_image GL_OES_depth_texture
                GL_OES_packed_depth_stencil 
GL_EXT_texture_type_2_10_10_10_REV
                GL_OES_get_program_binary GL_APPLE_texture_max_level
                GL_EXT_discard_framebuffer GL_EXT_read_format_bgra
                GL_NV_fbo_color_attachments GL_OES_EGL_image_external
                GL_OES_vertex_array_object GL_ANGLE_texture_compression_dxt3
                GL_ANGLE_texture_compression_dxt5 GL_EXT_texture_rg
                GL_EXT_unpack_subimage GL_NV_draw_buffers GL_NV_read_buffer
                GL_EXT_map_buffer_range GL_OES_depth_texture_cube_map
                GL_OES_surfaceless_context GL_EXT_color_buffer_float
                GL_EXT_separate_shader_objects GL_EXT_shader_integer_mix
                GL_KHR_context_flush_control
[21:32:53.948] GL ES 2 renderer features:
                read-back format: BGRA
                wl_shm sub-image to texture: yes
                EGL Wayland extension: yes
[21:32:53.949] Chosen EGL config details:
                RGBA bits: 8 8 8 8
                swap interval range: 0 - 1000
[21:32:53.952] x11 output 1024x640, window id 62914565
[21:32:53.954] Compositor capabilities:
                arbitrary surface rotation: yes
                screen capture uses y-flip: yes
                presentation clock: CLOCK_MONOTONIC_RAW, id 4
[21:32:53.963] Loading module '/usr/lib/weston/desktop-shell.so'
[21:32:55.718] launching '/usr/lib/weston/weston-desktop-shell'
==16517== Syscall param sendmsg(msg.msg_iov[0]) points to uninitialised 
byte(s)
==16517==    at 0x5D41330: __sendmsg_nocancel (in /usr/lib/libc-2.21.so)
==16517==    by 0x4E3F780: ??? (in /usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3D92E: wl_display_flush_clients (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3D987: wl_display_run (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4086FA: ??? (in /usr/bin/weston)
==16517==    by 0x5C787FF: (below main) (in /usr/lib/libc-2.21.so)
==16517==  Address 0xeacd996 is 4,134 bytes inside a block of size 
16,424 alloc'd
==16517==    at 0x4C29F90: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16517==    by 0x4E3F8B1: ??? (in /usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3DD12: wl_client_create (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x40AA40: weston_client_launch (in /usr/bin/weston)
==16517==    by 0x417C54: ??? (in /usr/bin/weston)
==16517==    by 0x413F53: weston_seat_init (in /usr/bin/weston)
==16517==    by 0x6C56F8D: backend_init (in /usr/lib/weston/x11-backend.so)
==16517==    by 0x4082E1: ??? (in /usr/bin/weston)
==16517==    by 0x5C787FF: (below main) (in /usr/lib/libc-2.21.so)
==16517==
child 16529 exited
child 16548 exited
child 16551 exited
==16517==
==16517== HEAP SUMMARY:
==16517==     in use at exit: 85,729 bytes in 211 blocks
==16517==   total heap usage: 114,853 allocs, 114,642 frees, 239,357,529 
bytes allocated
==16517==
==16517== 37 bytes in 1 blocks are possibly lost in loss record 9 of 36
==16517==    at 0x4C29F90: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16517==    by 0x5CD7F39: strdup (in /usr/lib/libc-2.21.so)
==16517==    by 0x40ABD8: weston_client_start (in /usr/bin/weston)
==16517==    by 0xF1717A2: ??? (in /usr/lib/weston/desktop-shell.so)
==16517==    by 0x4E3F19B: wl_event_loop_dispatch_idle (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3F1F0: wl_event_loop_dispatch (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3D994: wl_display_run (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4086FA: ??? (in /usr/bin/weston)
==16517==    by 0x5C787FF: (below main) (in /usr/lib/libc-2.21.so)
==16517==
==16517== 40 bytes in 1 blocks are possibly lost in loss record 10 of 36
==16517==    at 0x4C2C080: calloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16517==    by 0x40ABC8: weston_client_start (in /usr/bin/weston)
==16517==    by 0xF1717A2: ??? (in /usr/lib/weston/desktop-shell.so)
==16517==    by 0x4E3F19B: wl_event_loop_dispatch_idle (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3F1F0: wl_event_loop_dispatch (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4E3D994: wl_display_run (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0x4086FA: ??? (in /usr/bin/weston)
==16517==    by 0x5C787FF: (below main) (in /usr/lib/libc-2.21.so)
==16517==
==16517== 56 bytes in 1 blocks are definitely lost in loss record 11 of 36
==16517==    at 0x4C29F90: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16517==    by 0x4E3EE0C: wl_event_loop_add_timer (in 
/usr/lib/libwayland-server.so.0.1.0)
==16517==    by 0xF1760E1: module_init (in /usr/lib/weston/desktop-shell.so)
==16517==    by 0x410344: ??? (in /usr/bin/weston)
==16517==    by 0x408625: ??? (in /usr/bin/weston)
==16517==    by 0x5C787FF: (below main) (in /usr/lib/libc-2.21.so)
==16517==
==16517== 320 bytes in 1 blocks are definitely lost in loss record 20 of 36
==16517==    at 0x4C29F90: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16517==    by 0x77CFBF9: ??? (in /usr/lib/libxcb.so.1.1.0)
==16517==    by 0x77CDC60: ??? (in /usr/lib/libxcb.so.1.1.0)
==16517==    by 0x77CF2FE: ??? (in /usr/lib/libxcb.so.1.1.0)
==16517==    by 0x77CF410: xcb_wait_for_reply (in /usr/lib/libxcb.so.1.1.0)
==16517==    by 0x6C56E81: backend_init (in /usr/lib/weston/x11-backend.so)
==16517==    by 0x4082E1: ??? (in /usr/bin/weston)
==16517==    by 0x5C787FF: (below main) (in /usr/lib/libc-2.21.so)
==16517==
==16517== 1,080 (1,048 direct, 32 indirect) bytes in 1 blocks are 
definitely lost in loss record 24 of 36
==16517==    at 0x4C29F90: malloc (in 
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==16517==    by 0xCC9C3C0: ???
==16517==    by 0xCD136E5: ???
==16517==    by 0xCCED26B: ???
==16517==    by 0xCCC7196: ???
==16517==    by 0xCD1193E: ???
==16517==    by 0xCBAC5CE: ???
==16517==    by 0xC685EEE: ??? (in /usr/lib/weston/gl-renderer.so)
==16517==    by 0xC687A4F: ??? (in /usr/lib/weston/gl-renderer.so)
==16517==    by 0xC687C23: ??? (in /usr/lib/weston/gl-renderer.so)
==16517==    by 0xC688668: ??? (in /usr/lib/weston/gl-renderer.so)
==16517==    by 0xC6889AC: ??? (in /usr/lib/weston/gl-renderer.so)
==16517==
==16517== LEAK SUMMARY:
==16517==    definitely lost: 1,424 bytes in 3 blocks
==16517==    indirectly lost: 32 bytes in 1 blocks
==16517==      possibly lost: 77 bytes in 2 blocks
==16517==    still reachable: 84,196 bytes in 205 blocks
==16517==         suppressed: 0 bytes in 0 blocks
==16517== Reachable blocks (those to which a pointer was found) are not 
shown.
==16517== To see them, rerun with: --leak-check=full --show-leak-kinds=all
==16517==
==16517== For counts of detected and suppressed errors, rerun with: -v
==16517== Use --track-origins=yes to see where uninitialised values come 
from
==16517== ERROR SUMMARY: 37 errors from 6 contexts (suppressed: 0 from 0)

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