Hi Ritesh, 2016-09-25 18:54 GMT+02:00 Ritesh Raj Sarraf <r...@debian.org>: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > Control: tag -1 -patch > > Hello Balint, > > On Wed, 2016-09-14 at 00:56 +0200, Balint Reczey wrote: >> The following patch fixes the build for me with the changed GCC and also >> builds fine with the original GCC 6: >> > > I just built locally with your patches applied. It fixes the build. But > lintian > still complains about hardening flags. > > I: user-mode-linux: hardening-no-pie usr/bin/linux.uml > W: user-mode-linux: hardening-no-relro usr/bin/linux.uml > I: user-mode-linux: hardening-no-bindnow usr/bin/linux.uml
It is expected, since PIE is still not used. I tried using -fPIE and -fPIC to allow PIE but kernel mode code did not allow those thus I believe the proposed patch is the way to go, disabling PIE for UML for now. Cheers, Balint > > > >> @@ -16,9 +16,11 @@ >> #SUBARCH?=$(shell uname -m) >> >> ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS))) >> -KBUILDVARS := CFLAGS_KERNEL=-O1 >> +CFLAGS_KERNEL += -O1 >> endif >> >> +KBUILDVARS := CFLAGS_KERNEL="$(CFLAGS_KERNEL)" CC="$(CC) -no-pie" >> LD="$(LD) -no-pie" >> + >> # development only targets >> # >> copy-config: > - -- > Ritesh Raj Sarraf | http://people.debian.org/~rrs > Debian - The Universal Operating System > -----BEGIN PGP SIGNATURE----- > > iQIcBAEBCgAGBQJX6AExAAoJEKY6WKPy4XVpboEP/iqgOn1ulPYRJBDdeq1VpCOs > CAAHS2GilQvgJ/0+D5KvhybKKgGVCB9iIU0TEfmEwqxrH4cGWDbufH9Zq+mqmbq5 > qGGz2BVCMCxC0+y++aZrmOuLin4V6m36pMxOrLbZcehn5iCRONqWYdCxSnHUWnNd > n2fpEdBk5WJHoC64snEpoC9z4vfqfoA9/5sPHYz176KWC8YwBErDc26f1tSwM6tJ > /5keNW8+yRSEBq3Q98VkLlumvVkOQUyZO3WW3Y87GVKR1TSZVYIbU47pGMhdo5cd > +hgyfEPPAOCBGt6TPFBf9ZKkLTB4e7wYQYO8ogZpGtSMF/aNQxgJzpFIHzpLil6h > D1M+wH2cSLcszZxtKTj884DvKjgPCoMIVUSGzCOlrcqU4ycHZAL2+/l9ZZCeaurh > Hpxny5z6Cx+t8fKhlPN3x2Nbqd3s1Jgs6PG5eUXQVdtyUojlV89Hwoa7TP0LkNW2 > UsBy/s2GFFLqf2qjUUCStkMEwVnT2C9HcENWSUjV9HteBFu2BdJCe78QxBg8+yZC > Ljo3+COY4sxBJUdRGb+8jvoe9xXZPpqsDrSB6TsmiIX1U8ZTvkoBz6xjvkEaKPho > EazwIpfqF5vd9CCYyQFZUTmcCLXFmSuEaajEdO6buVjhmlPfKH+HyxNjgTdVC3Xv > eMkbVXoPVaVyHzmmZsfY > =aC6I > -----END PGP SIGNATURE----- >
