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2018-03-26Merge pull request #749 from psychon/fix_x11_use_after_freeDrew DeVault
Fix use-after-free in x11 backend during shutdown
2018-03-26Fix use-after-free in x11 backend during shutdownUli Schlachter
The xcb_connection_t instance that is used here comes from XGetXCBConnection(), is created by XOpenDisplay(), and is owned by the returned Display*. Calling xcb_disconnect() directly on it leads to various use-after-frees during shutdown, as reported by valgrind. The first one of the about 30 errors is: Invalid read of size 4 at 0x71F2051: xcb_take_socket (in /usr/lib64/libxcb.so.1.1.0) by 0x78551DD: ??? (in /usr/lib64/libX11.so.6.3.0) by 0x7855A14: _XFlush (in /usr/lib64/libX11.so.6.3.0) by 0x7858504: _XGetRequest (in /usr/lib64/libX11.so.6.3.0) by 0x7838966: XFreeGC (in /usr/lib64/libX11.so.6.3.0) by 0x783238B: XCloseDisplay (in /usr/lib64/libX11.so.6.3.0) by 0x4E680C2: wlr_x11_backend_destroy (backend.c:333) by 0x4E57E94: wlr_backend_destroy (backend.c:39) by 0x4E629FB: multi_backend_destroy (backend.c:47) by 0x4E62B5A: handle_display_destroy (backend.c:90) by 0x50B7E9F: ??? (in /usr/lib64/libwayland-server.so.0.1.0) by 0x50B8476: wl_display_destroy (in /usr/lib64/libwayland-server.so.0.1.0) Address 0xc14dda0 is 0 bytes inside a block of size 21,152 free'd at 0x4C2DD18: free (vg_replace_malloc.c:530) by 0x4E680A5: wlr_x11_backend_destroy (backend.c:330) by 0x4E57E94: wlr_backend_destroy (backend.c:39) by 0x4E629FB: multi_backend_destroy (backend.c:47) by 0x4E62B5A: handle_display_destroy (backend.c:90) by 0x50B7E9F: ??? (in /usr/lib64/libwayland-server.so.0.1.0) by 0x50B8476: wl_display_destroy (in /usr/lib64/libwayland-server.so.0.1.0) by 0x40C54E: main (main.c:84) Block was alloc'd at at 0x4C2EA1E: calloc (vg_replace_malloc.c:711) by 0x71F0C60: xcb_connect_to_fd (in /usr/lib64/libxcb.so.1.1.0) by 0x71F4BD4: xcb_connect_to_display_with_auth_info (in /usr/lib64/libxcb.so.1.1.0) by 0x7854AA1: _XConnectXCB (in /usr/lib64/libX11.so.6.3.0) by 0x7845481: XOpenDisplay (in /usr/lib64/libX11.so.6.3.0) by 0x4E681B6: wlr_x11_backend_create (backend.c:376) by 0x4E580EE: wlr_backend_autocreate (backend.c:99) by 0x40C27D: main (main.c:35) Normally, one would expect this to crash during XCloseDisplay() when xcb_disconnect() is called again and frees the same data again (glibc would detect a double free). However, XCloseDisplay() tries to clean up some internal caches first for which it has to send requests to the X11 server (e.g. the XFreeGC() above). This fails since the file descriptor was already closed, which causes an IO error. Xlib's _XDefaultIOError() handles this by printing an error message and calling exit(1). Thus, the only symptom of this problem was compositors exiting mid-shutdown and printing an error message: XIO: fatal IO error 11 (Resource temporarily unavailable) on X server ":0" after 6 requests (6 known processed) with 0 events remaining. Fixes: https://github.com/swaywm/wlroots/issues/745 Signed-off-by: Uli Schlachter <psychon@znc.in>
2018-03-25Merge pull request #741 from emersion/unmapped-surface-destroyTony Crisci
xdg-shell, xdg-shell-v6: don't emit unmap if surface is unmapped
2018-03-24Merge pull request #743 from acrisci/xdg-surface-closeemersion
unified xdg-surface close
2018-03-24unified xdg-surface closeTony Crisci
2018-03-23Merge pull request #724 from agx/linux-dmabuf-mpDrew DeVault
Linux-dmabuf with n_planes > 1
2018-03-23linux-dmabuf: Support multi plane formats like NV12Guido Günther
2018-03-23wlr_surface: fix indentationGuido Günther
2018-03-22Merge pull request #738 from emersion/gles2-renderer-redesignDrew DeVault
Redesign GLES2 renderer
2018-03-23Merge branch 'master' into gles2-renderer-redesignemersion
2018-03-22Merge pull request #740 from emersion/egl-debugDrew DeVault
render/egl: use EGL_KHR_debug
2018-03-22Merge pull request #727 from martinetd/x11_wl_backend_fixesTony Crisci
Address sanitizer fixes
2018-03-22wlr_pointer: fix potential null derefDominique Martinet
if pointer is null here we'd access pointer->events... anyway
2018-03-22wayland backend: fix use-after free on output destroyDominique Martinet
==12021==ERROR: AddressSanitizer: heap-use-after-free on address 0x617000015698 at pc 0x7f1a9abe1c09 bp 0x7ffe9068f6b0 sp 0x7ffe9068f6a0 WRITE of size 4 at 0x617000015698 thread T0 #0 0x7f1a9abe1c08 in pointer_handle_leave ../backend/wayland/wl_seat.c:40 #1 0x7f1a96ae7d1d in ffi_call_unix64 (/lib64/libffi.so.6+0x5d1d) #2 0x7f1a96ae768e in ffi_call (/lib64/libffi.so.6+0x568e) #3 0x7f1a988e0d8a (/lib64/libwayland-client.so.0+0x8d8a) #4 0x7f1a988dd927 (/lib64/libwayland-client.so.0+0x5927) #5 0x7f1a988debe3 in wl_display_dispatch_queue_pending (/lib64/libwayland-client.so.0+0x6be3) #6 0x7f1a9abdd6d6 in dispatch_events ../backend/wayland/backend.c:28 #7 0x7f1a9a968c11 in wl_event_loop_dispatch (/lib64/libwayland-server.so.0+0x9c11) #8 0x7f1a9a967449 in wl_display_run (/lib64/libwayland-server.so.0+0x8449) #9 0x418dff in main ../rootston/main.c:81 #10 0x7f1a99b5ef29 in __libc_start_main (/lib64/libc.so.6+0x20f29) #11 0x4057c9 in _start (/home/shared/wayland/wlroots/build/rootston/rootston+0x4057c9) 0x617000015698 is located 664 bytes inside of 696-byte region [0x617000015400,0x6170000156b8) freed by thread T0 here: #0 0x7f1a9af754b8 in __interceptor_free (/lib64/libasan.so.4+0xde4b8) #1 0x7f1a9abe01ee in wlr_wl_output_destroy ../backend/wayland/output.c:194 #2 0x7f1a9ac12918 in wlr_output_destroy ../types/wlr_output.c:299 #3 0x7f1a9abe061b in xdg_toplevel_handle_close ../backend/wayland/output.c:255 #4 0x7f1a96ae7d1d in ffi_call_unix64 (/lib64/libffi.so.6+0x5d1d) #5 0x7f1a96ae768e in ffi_call (/lib64/libffi.so.6+0x568e) #6 0x7f1a988e0d8a (/lib64/libwayland-client.so.0+0x8d8a) #7 0x7f1a988dd927 (/lib64/libwayland-client.so.0+0x5927) #8 0x7f1a988debe3 in wl_display_dispatch_queue_pending (/lib64/libwayland-client.so.0+0x6be3) #9 0x7f1a9abdd6d6 in dispatch_events ../backend/wayland/backend.c:28 #10 0x7f1a9a968c11 in wl_event_loop_dispatch (/lib64/libwayland-server.so.0+0x9c11) #11 0x7f1a9a967449 in wl_display_run (/lib64/libwayland-server.so.0+0x8449) #12 0x418dff in main ../rootston/main.c:81 #13 0x7f1a99b5ef29 in __libc_start_main (/lib64/libc.so.6+0x20f29) #14 0x4057c9 in _start (/home/shared/wayland/wlroots/build/rootston/rootston+0x4057c9) previously allocated by thread T0 here: #0 0x7f1a9af75a38 in __interceptor_calloc (/lib64/libasan.so.4+0xdea38) #1 0x7f1a9abe0703 in wlr_wl_output_create ../backend/wayland/output.c:272 #2 0x7f1a9abdd8eb in wlr_wl_backend_start ../backend/wayland/backend.c:55 #3 0x7f1a9abbeb49 in wlr_backend_start ../backend/backend.c:28 #4 0x7f1a9abd8ce1 in multi_backend_start ../backend/multi/backend.c:24 #5 0x7f1a9abbeb49 in wlr_backend_start ../backend/backend.c:28 #6 0x418c32 in main ../rootston/main.c:58 #7 0x7f1a99b5ef29 in __libc_start_main (/lib64/libc.so.6+0x20f29) #8 0x4057c9 in _start (/home/shared/wayland/wlroots/build/rootston/rootston+0x4057c9)
2018-03-22x11 backend: fix various leaksDominique Martinet
- xcb_query_pointer_reply return value needs to be freed - call XCloseDisplay - remove wl event_source
2018-03-22rootston/output: fix leak in damage_from_surfaceDominique Martinet
2018-03-22xdg_popup_grab: add listener on seat destroyDominique Martinet
2018-03-21xdg-shell, xdg-shell-v6: don't emit unmap if surface is unmappedemersion
Some clients create an xdg_surface, then create an xdg_toplevel, but don't map it and destroy it right after. The xdg_surface ends up in a state where it isn't mapped but role-specific resources have been allocated. xdg_surface_unmap needs to free these resources without emitting the unmap signal.
2018-03-21backend/drm: remove remaining raw GL callemersion
This makes the hardware cursor code a less efficient. Can be fixed with a GLES3 renderer.
2018-03-21render/egl: use EGL_KHR_debugemersion
2018-03-21render/gles2: use gles2_pixel_format::has_alpha for shader selectionemersion
2018-03-21render/gles2: move list of supported WL formats to pixel_format.cemersion
2018-03-21render/gles2: make wlr_renderer_begin take viewport sizeemersion
This allows raw GL calls outside wlr_renderer to be removed.
2018-03-20render/gles2: remove global state, use OpenGL debug extensionemersion
2018-03-20Merge pull request #736 from agx/gles2-tex-targetDrew DeVault
Gles2 tex target
2018-03-20gles2: Honor alpha in fragment_src_externalGuido Günther
By using the same vertex shader and adding alpha to the fragment shader for external textures we can: - use alpha blending - have wlr_gles2_render_texture_with_matrix work with the GL_TEXTURE_EXTERNAL_OES. So far this failed since we passed in alpha which was unknown by fragment_src_external
2018-03-20gles2_texture_bind: use texture's target typeGuido Günther
Hardcoding GL_TEXTURE_2D leads to rendering errors when using GL_TEXTURE_EXTERNAL_OES textures.
2018-03-20gles2: allow to specify texture target typeGuido Günther
Allow to set the texture target type when generating/binding the texture. This allows us to attach the texture type to the texture so we don't have to keep the logic elsewhere.
2018-03-19Merge pull request #735 from emersion/split-render-hDrew DeVault
render: split render.h into wlr_renderer.h and wlr_texture.h
2018-03-19render: split render.h into wlr_renderer.h and wlr_texture.hemersion
2018-03-19Merge pull request #733 from emersion/fix-matrix-transposeDrew DeVault
Don't use OpenGL matrix transposition
2018-03-19Write some more docsDrew DeVault
2018-03-19render/gles2: transpose matrices before binding thememersion
Setting glUniformMatrix3fv's transpose parameter to GL_TRUE is not allowed for OpenGL ES 2. This adds a wlr_matrix_transpose function.
2018-03-18backend/drm: don't hardcode matrixemersion
2018-03-18Merge pull request #730 from martinetd/matrix_rotateemersion
Rootston: fix rotation heading (was: wlr_matrix: fix matrix_rotate)
2018-03-18rootston rotation: change view->rotation signDominique Martinet
The convetion with wlr_matrix changed and it's a good time to remove all these pesky minus signs
2018-03-17Merge pull request #722 from emersion/matrix-redesignDrew DeVault
Matrix redesign
2018-03-17Merge pull request #711 from emersion/map-unmapTony Crisci
Add map/unmap to xdg-shell
2018-03-16Merge pull request #726 from agx/egl-print-dmabuf-formatsemersion
egl: print supported dmabuf formats
2018-03-16egl: print supported dmabuf formatsGuido Günther
Useful for debugging dmabuf related problems e.g. when a client requests a certain and we fail to support it.
2018-03-15rootston: properly emit view unmap eventemersion
2018-03-15Merge pull request #721 from emersion/simplify-screenshot-clientTony Crisci
examples: simplify screenshot client
2018-03-15render/gles2: remove matrix transposition in shadersemersion
2018-03-15matrix: rename wlr_matrix_texture to wlr_matrix_projectionemersion
2018-03-15xdg-shell: add map/unmap supportemersion
2018-03-15xdg-shell-v6: fix wl_list_remove called twiceemersion
2018-03-15xdg-shell-v6: don't leak wlr_xdg_surface_v6_configure.toplevel_stateemersion
2018-03-15renderer: replace wlr_texture_get_matrix by wlr_render_textureemersion
2018-03-15surface: drop wlr_surface_get_matrixemersion
2018-03-15Merge pull request #723 from emersion/fix-xwayland-inverted-yDrew DeVault
Fix y-inverted rendering for xwayland surfaces