On Wed, Jun 17, 2020 at 12:00:14AM +0200, Gabriel C wrote: > Am Di., 16. Juni 2020 um 23:25 Uhr schrieb Arvind Sankar > <[email protected]>: > > > > On Tue, Jun 16, 2020 at 11:17:08PM +0200, Gabriel C wrote: > > > Am Di., 16. Juni 2020 um 22:33 Uhr schrieb Arvind Sankar > > > <[email protected]>: > > > > > > > > Can you attach the output of gcc -dumpspecs and gcc -v? I suspect your > > > > compiler enables stack protector by default. My distro compiler does > > > > that too, but not if -ffreestanding is enabled (which it is for the > > > > purgatory). > > > > > > > > > > Files including config uploaded to there: > > > > > > http://crazy.dev.frugalware.org/kernel/ > > > > > > > Yeah, your gcc doesn't have the -ffreestanding handling. Mine (from > > gentoo) has this in the -dumpspecs output: > > > > *cc1_options: > > ... %{nostdlib|nodefaultlibs|ffreestanding:-fno-stack-protector} ... > > > > to switch off the default ssp when the standard libraries aren't available. > > I wondered what they enable to do that. it turns out it is a custom patch. > While I think having that is not bad, such patches lead to bugs like this one.
Right. Debian also has a similar custom patch to adjust the specs. It would probably be better if something were upstreamed :)
