Linux kernel bug fix: x86/mm: Don't free P4D table when it is folded at runtime
Subsystem: arch/x86 (arch/x86/include/asm/pgalloc.h)
Bug type: double-free, severity: high
Keywords: double free
Files changed: arch/x86/include/asm/pgalloc.h
Introduced by Kirill A. Shutemov on 2018-02-16 10:48:48 +0100; fixed by Andrey Ryabinin on 2018-06-26 09:21:48 +0200 (lifetime: 129 days)