Linux kernel bug fix: x86/math-emu: Check __copy_from_user() result
Subsystem: arch/x86 (arch/x86/math-emu/fpu_system.h)
Bug type: hang, severity: medium
Files changed: arch/x86/math-emu/fpu_system.h;arch/x86/math-emu/reg_ld_str.c
Introduced by Kees Cook on 2019-09-25 17:51:40 -0700; fixed by Arnd Bergmann on 2019-10-03 10:51:08 +0200 (lifetime: 7 days)