Bug 2220642

Description of problem:
User interface crashes randomly. Happens less in Wayland. Unloading memory seems to help. The kernel version does not seem to matter.

Version-Release number of selected component:
kwin-wayland-5.27.6-1.fc38

Additional info:
reporter:       libreport-2.17.11
type:           CCpp
reason:         kwin_wayland killed by SIGBUS
journald_cursor: s=5ec390be288141c3b67bba69ba5ebf9a;i=dbd82;b=bab31611218340cdac87531fef40d840;m=c824e59b;t=5ffbb343dacd9;x=39f76144fe3d7b1e
executable:     /usr/bin/kwin_wayland
cmdline:        /usr/bin/kwin_wayland --wayland-fd 8 --socket wayland-0 --xwayland-fd 9 --xwayland-fd 10 --xwayland-display :0 --xwayland-xauthority /run/user/1000/xauth_iBPjUf --xwayland
cgroup:         0::/user.slice/user-1000.slice/user/session.slice/plasma-kwin_wayland.service
rootdir:        /
kernel:         6.2.9-300.fc38.x86_64
package:        kwin-wayland-5.27.6-1.fc38
runlevel:       N 5
backtrace_rating: 4
crash_function: __memcpy_sse2_unaligned_erms
comment:        User interface crashes randomly. Happens less in Wayland. Unloading memory seems to help. The kernel version does not seem to matter.

Truncated backtrace:
Thread no. 1 (14 frames)
 #0 __memcpy_sse2_unaligned_erms at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:377
 #1 memcpy at /usr/include/bits/string_fortified.h:29
 #2 store_shader at ../src/gallium/drivers/r600/r600_shader.c:160
 #3 r600_pipe_shader_create at ../src/gallium/drivers/r600/r600_shader.c:335
 #4 r600_shader_select at ../src/gallium/drivers/r600/r600_state_common.c:967
 #5 r600_create_shader_state at ../src/gallium/drivers/r600/r600_state_common.c:1071
 #6 util_make_fs_clear_all_cbufs at ../src/gallium/auxiliary/util/u_simple_shaders.c:1335
 #7 bind_fs_clear_all_cbufs at ../src/gallium/auxiliary/util/u_blitter.c:482
 #8 util_blitter_clear_custom at ../src/gallium/auxiliary/util/u_blitter.c:1580
 #9 util_blitter_clear at ../src/gallium/auxiliary/util/u_blitter.c:1620
 #10 r600_clear at ../src/gallium/drivers/r600/r600_blit.c:526
 #11 st_Clear at ../src/mesa/state_tracker/st_cb_clear.c:537
 #12 KWin::EglGbmLayerSurface::doRenderTestBuffer at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/backends/drm/drm_egl_layer_surface.cpp:339
 #13 KWin::EglGbmLayerSurface::createSurface at /usr/src/debug/kwin-5.27.6-1.fc38.x86_64/src/backends/drm/drm_egl_layer_surface.cpp:295