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Simon Ser 32c30481d3
render/egl: fix gbm_device use-after-free 
The GBM device needs to be destroyed after the EGL display.

    ==50931==ERROR: AddressSanitizer: SEGV on unknown address 0x7fe40a000049 (pc 0x7fe446121d30 bp 0x60400001bbd0 sp 0x7ffc99c774d0 T0)
    ==50931==The signal is caused by a READ memory access.
        #0 0x7fe446121d30  (/usr/lib/dri/radeonsi_dri.so+0x5f0d30)
        #1 0x7fe4474717bd  (/usr/lib/../lib/libEGL_mesa.so.0+0x177bd)
        #2 0x7fe4474677d9  (/usr/lib/../lib/libEGL_mesa.so.0+0xd7d9)
        #3 0x7fe44cca7b6f in wlr_egl_destroy ../subprojects/wlroots/render/egl.c:379
        #4 0x7fe44ccc2626 in gles2_destroy ../subprojects/wlroots/render/gles2/renderer.c:705
        #5 0x7fe44ccb5041 in wlr_renderer_destroy ../subprojects/wlroots/render/wlr_renderer.c:37
        #6 0x7fe44cd17850 in backend_destroy ../subprojects/wlroots/backend/wayland/backend.c:296
        #7 0x7fe44ccca4de in wlr_backend_destroy ../subprojects/wlroots/backend/backend.c:48
        #8 0x7fe44cd11b21 in multi_backend_destroy ../subprojects/wlroots/backend/multi/backend.c:58
        #9 0x7fe44cd125b0 in handle_display_destroy ../subprojects/wlroots/backend/multi/backend.c:125
        #10 0x7fe44c315e0e  (/usr/lib/libwayland-server.so.0+0x8e0e)
        #11 0x7fe44c3165a6 in wl_display_destroy (/usr/lib/libwayland-server.so.0+0x95a6)
        #12 0x55a2c8870683 in server_fini ../sway/server.c:203
        #13 0x55a2c886cbf2 in main ../sway/main.c:436
        #14 0x7fe44b77c151 in __libc_start_main (/usr/lib/libc.so.6+0x28151)
        #15 0x55a2c883172d in _start (/home/simon/src/sway/build/sway/sway+0x33472d)
2021-01-16 09:07:56 +01:00
.builds ci: build tinywl 2021-01-07 14:39:04 +01:00
backend render/gles2: make EGL context current in bind_buffer 2021-01-16 09:06:17 +01:00
docs docs/env_vars: document seatd session 2020-12-24 12:19:34 +01:00
examples layer-shell: allow new values for keyboard-interactivity 2021-01-12 20:13:52 +01:00
include output-damage: stop relying on output pending state on commit 2021-01-16 09:06:27 +01:00
protocol layer-shell: allow new values for keyboard-interactivity 2021-01-12 20:13:52 +01:00
render render/egl: fix gbm_device use-after-free 2021-01-16 09:07:56 +01:00
tinywl tinywl: fix wlr_backend_autocreate call 2021-01-07 14:39:04 +01:00
types output: send commit event after pending state is cleared 2021-01-16 09:06:27 +01:00
util util: fix uuid support for freebsd 2021-01-08 20:51:51 +01:00
xcursor Fix undefined behavior 2020-09-01 11:58:56 +02:00
xwayland xwayland: remove protocol debug messages 2021-01-10 11:29:36 +01:00
.editorconfig Set .editorconfig ident_size 2019-01-25 11:37:46 +01:00
.gitignore Remove rootston 2019-08-09 08:34:59 +09:00
CONTRIBUTING.md contributing: add note about events that destroy objects 2020-06-08 10:12:38 -06:00
LICENSE Update LICENSE year (MIT license) 2018-04-12 21:29:59 -04:00
meson.build build: use more consistent feature names in summary 2021-01-12 10:49:33 +01:00
meson_options.txt types: add wlr_xdg_foreign_registry 2021-01-05 20:32:56 +01:00
README.md util: add support for generating UUIDs 2021-01-05 20:32:56 +01:00
wlroots.syms util: add wlr_output_destroy_safe 2020-02-17 20:52:37 +01:00

README.md

wlroots

Pluggable, composable, unopinionated modules for building a Wayland compositor; or about 50,000 lines of code you were going to write anyway.

  • wlroots provides backends that abstract the underlying display and input hardware, including KMS/DRM, libinput, Wayland, X11, and headless backends, plus any custom backends you choose to write, which can all be created or destroyed at runtime and used in concert with each other.
  • wlroots provides unopinionated, mostly standalone implementations of many Wayland interfaces, both from wayland.xml and various protocol extensions. We also promote the standardization of portable extensions across many compositors.
  • wlroots provides several powerful, standalone, and optional tools that implement components common to many compositors, such as the arrangement of outputs in physical space.
  • wlroots provides an Xwayland abstraction that allows you to have excellent Xwayland support without worrying about writing your own X11 window manager on top of writing your compositor.
  • wlroots provides a renderer abstraction that simple compositors can use to avoid writing GL code directly, but which steps out of the way when your needs demand custom rendering code.

wlroots implements a huge variety of Wayland compositor features and implements them right, so you can focus on the features that make your compositor unique. By using wlroots, you get high performance, excellent hardware compatibility, broad support for many wayland interfaces, and comfortable development tools - or any subset of these features you like, because all of them work independently of one another and freely compose with anything you want to implement yourself.

Check out our wiki to get started with wlroots.

wlroots is developed under the direction of the sway project. A variety of wrapper libraries are available for using it with your favorite programming language.

Building

Install dependencies:

  • meson
  • wayland
  • wayland-protocols
  • EGL
  • GLESv2
  • libdrm
  • GBM
  • libinput
  • xkbcommon
  • udev
  • pixman
  • systemd (optional, for logind support)
  • elogind (optional, for logind support on systems without systemd)
  • libuuid (optional, for xdg-foreign support)

If you choose to enable X11 support:

  • xcb
  • xcb-composite
  • xcb-xfixes
  • xcb-xinput
  • xcb-image
  • xcb-render
  • x11-xcb
  • xcb-errors (optional, for improved error reporting)
  • x11-icccm (optional, for improved Xwayland introspection)

Run these commands:

meson build
ninja -C build

Install like so:

sudo ninja -C build install

Contributing

See CONTRIBUTING.md.