Messages in this thread |  | | | Date | Fri, 20 Jul 2007 23:02:12 -0700 | | From | "Bret Towe" <> | | Subject | Re: Is PIE randomization breaking klibc binaries? |
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On 7/20/07, Ulrich Kunitz <kune@deine-taler.de> wrote: > Since this week new linux-2.6/master kernels don't work with my > initial ram disks. The sleep binary runs repeatingly into > segmentation faults until the Busybox shell starts. My system is a > x86-64 with Kubuntu Feisty Fawn. > > By bisecting I found out that the PIE randomization patch (commit 60bfba7e) > appears to cause the segmentation faults. > > Digging further into the issue I found out, that the sleep binary > on the initial ramdisk is a klibc binary. /usr/bin/file says it is > statically linked and uses shared libraries. I have no clue about > klibc, but the binaries seem to be statically linked, but load a > shared library; probably at a fixed address. Other klibc binaries are also > running into segmentation faults. Busybox is working, but it is > statically linked and doesn't use a shared library. > > It looks like that the PIE randomization patch breaks klibc > binaries on x86-64. > > -- > Uli Kunitz > -
oh bugger I just spent a few hours bisecting to find this headache only to find someone else had 8 hours ago... *sigh*
anyhow also seeing seg faults here on a amd64 ubuntu system reverting the PIE randomization patch made it go away - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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