Linux's 32-Bit Kernel Has Been Buggy Since Being Mitigated For Meltdown

Whether you like it or not, the Linux kernel's x86 32-bit support has already begun suffering some minor forms of bit rot. Most kernel developers are no longer actively testing x86-32 and distribution vendors are beginning to drop 32-bit support. The latest example of x86 32-bit's effectively demoted state is some buggy undefined behavior functionality living within the mainline kernel for the past year since the Meltdown mitigations landed...