Date: Tue, 23 Jun 2020 22:08:18 -0500 From: Josh Poimboeuf <jpoimboe@...hat.com> To: Kristen Carlson Accardi <kristen@...ux.intel.com> Cc: keescook@...omium.org, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, Peter Zijlstra <peterz@...radead.org>, arjan@...ux.intel.com, x86@...nel.org, linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com, rick.p.edgecombe@...el.com Subject: Re: [PATCH v3 01/10] objtool: Do not assume order of parent/child functions On Tue, Jun 23, 2020 at 10:23:18AM -0700, Kristen Carlson Accardi wrote: > If a .cold function is examined prior to it's parent, the link > to the parent/child function can be overwritten when the parent > is examined. Only update pfunc and cfunc if they were previously > nil to prevent this from happening. > > Signed-off-by: Kristen Carlson Accardi <kristen@...ux.intel.com> > Acked-by: Josh Poimboeuf <jpoimboe@...hat.com> FYI, this patch is now in the tip tree. -- Josh
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