On Sat, Aug 25, 2018 at 12:44:10AM +0100, Ben Hutchings wrote: > On Mon, 2018-07-23 at 14:41 +0200, Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Dave Hansen <[email protected]> > > > > commit 39a0526fb3f7d93433d146304278477eb463f8af upstream > [...] > > --- a/arch/x86/include/asm/mmu_context.h > > +++ b/arch/x86/include/asm/mmu_context.h > [...] > > +static inline int init_new_context(struct task_struct *tsk, > > + struct mm_struct *mm) > > +{ > > + init_new_context_ldt(tsk, mm); > > + return 0; > > +} > [...] > > This hides errors from init_new_context_ldt(), which is very bad. > Fixed upstream by: > > commit ccd5b3235180eef3cfec337df1c8554ab151b5cc > Author: Eric Biggers <[email protected]> > Date: Thu Aug 24 10:50:29 2017 -0700 > > x86/mm: Fix use-after-free of ldt_struct > > Ben.
Good catch, now applied, thanks. greg k-h
