Messages in this thread | | | Date | Wed, 9 Oct 2013 21:02:31 +0200 | From | Peter Zijlstra <> | Subject | Re: [x86] BUG: unable to handle kernel paging request at 00740060 |
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On Wed, Oct 09, 2013 at 08:16:13PM +0200, Jakub Jelinek wrote: > Confirmed as gcc bug, filed http://gcc.gnu.org/PR58670 > Seems all of 4.[6-9] miscompile it. Will have a look tomorrow > unless somebody beats me to it. But historically, the case where > asm goto labels jump to fallthru basic block had numerous problems in the > past.
That bug lists the component as middle end; this suggests x86_64 would be vulnerable too, can you confirm? So far we've only observed the wrong code on i386 targets, x86_64 targets appeared correct.
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