https://bugs.freedesktop.org/show_bug.cgi?id=105684
--- Comment #43 from Paul Menzel pmenzel+bugs.freedesktop@molgen.mpg.de --- I just tried with Linux master, and the page fault didn’t happen anymore.
/boot/config-4.18.0-rc8-00004-gfedb8da96355:CONFIG_SLAB_FREELIST_HARDENED=y
Out of curiosity, I’ll try to bisect this.