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* pageexec@freemail.hu <pageexec@freemail.hu> wrote: > patches to get CONFIG_CC_STACKPROTECTOR_ALL actually to work (it > includes the Makefile patch proposed in this thread already). > > note that the fix to ACPI is an actual stack corruption bug (caught by > ssp thanks to a lucky stack layout), due to the misuse of the pci > accessor functions, probably a whole-tree audit is in order for > similar bugs. > > note also that the vsyscall functions (more precisely, all the code > that goes into .vsyscall* sections) had better be separated into their > own .c files so that they can be compiled without -mcmodel=kernel and > use %fs for getting the ssp cookie, if ssp is desired at all there). thanks, i've picked up your patch into x86.git#mm and also made stackprotector-all default-enabled so that we get more test coverage of this critical security feature. x86.git#mm can be picked up via: http://people.redhat.com/mingo/x86.git/README head of the tree: ----------------> commit e1d96d3e489d02b12984fb3c755b0f9a9ae0fe5f Author: Ingo Molnar <mingo@elte.hu> Date: Wed Feb 13 16:15:34 2008 +0100 x86: enable stack-protector by default also enable the rodata and nx tests. <---------------- your patch booted fine here with stackprotector-all enabled. Ingo | ||||||||||
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