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new asan instructions
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@ -54,62 +54,20 @@ issue on GitHub.
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If requested, this is the deepest level of memory issue debugging possible.
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Prepare yourself mentally, and then:
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_Do this in the tty, with no Hyprland instances running_
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recommended to do in tty
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Clone hyprland: `git clone --recursive https://github.com/hyprwm/Hyprland`
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clone wayland (`git clone --recursive https://gitlab.freedesktop.org/wayland/wayland`)
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clone hyprland (`git clone --recursive https://github.com/hyprwm/Hyprland`)
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cd to it: `cd Hyprland`
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add these envs to your Hyprland config to reset ASAN_OPTIONS for children and set LD_PRELOAD:
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```
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env = ASAN_OPTIONS,detect_odr_violation=0
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env = LD_PRELOAD,/usr/lib/libasan.so.8.0.0
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```
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_Please note to check the asan .so version on your system with `ls /usr/lib | grep libasan`_
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`make asan`
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wayland:
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```
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meson ./build --prefix=/usr --buildtype=debug -Db_sanitize=address
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sudo ninja -C build install
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```
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This will compile everything and launch Hyprland.
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The Wayland build will likely fail citing missing dependencies such as Doxygen, these
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dependencies will likely be available from your distros package manager.
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Reproduce your crash. Hyprland will exit back to the tty.
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hyprland:
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```
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cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Debug -DWITH_ASAN:STRING=True -S . -B ./build -G Ninja
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cmake --build ./build --config Debug --target all -j`nproc 2>/dev/null || getconf NPROCESSORS_CONF`
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cd ./subprojects/wlroots
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rm -rf ./build
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meson ./build --prefix=/usr --buildtype=debug -Db_sanitize=address
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ninja -C build
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cd ../..
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sudo make install
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```
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You can now launch your regular Hyprland session.
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Exit Hyprland to a TTY, cd to the cloned hyprland, and launch it:
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```
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ASAN_OPTIONS="detect_odr_violation=0,log_path=asan.log" ./build/Hyprland -c ~/.config/hypr/hyprland.conf
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```
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Now, in either `cwd`, `~` or `./build`, search for file(s) named `asan.log.XXXXX` where XXXXX is a number.
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open your terminal
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Do whatever you used to do in order to crash the compositor.
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Please note many apps will refuse to launch. Notably complex applications, like e.g. browsers.
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Once it crashes, go to `~` or `cwd` and look for `asan.log.XXXXX` files. Zip all and attach to the issue.
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once you are done, to revert your horribleness of no app opening without the ld preload just go to the cloned wayland and do
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```
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sudo rm -rf ./build
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meson ./build --prefix=/usr --buildtype=release
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sudo ninja -C build install
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```
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To revert the changes to hyprland and wlroots, do inside the cloned hyprland:
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```
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make all && sudo make install
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```
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Zip all of them up and attach to your issue.
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