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commit c93db682cfb213501881072a9200a48ce1dc3c3f upstream. Commit 3fb0fdb3bbe7 ("x86/stackprotector/32: Make the canary into a regular percpu variable") modified the stackprotector check on 32-bit x86 to check if gcc supports using %fs as canary. Adjust dummy-tools gcc script to pass this new test by returning "%fs" rather than "%gs" if it detects -mstack-protector-guard-reg=fs on command line. Fixes: 3fb0fdb3bbe7 ("x86/stackprotector/32: Make the canary into a regular percpu variable") Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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