XPost: linux.debian.bugs.dist
From:
wookey@wookware.org
On 2023-08-06 23:25 +0200, Moritz Mühlenhoff wrote:
Following the procedure to modify default dpkg-buildflags I propose to
enable -fstack-clash-protection on amd64. The bug for dpkg tracking this
is #918914.
The open question is whether to also enable this for arm64, mips64el, ppc64el, riscv and s390x. I'm adding the respective porter lists, if there's consensus among porters of a given arch other than amd64 to also add
the flag, please post a followup to #918914.
There is consensus amongst the ARM distro team that this should be
turned on for arm64. Our preference is to turn it on for the 32-bit
arm arches too. However Ubuntu chose not to enable this on armhf in
2019 after a rebuild test (although it doesn't look significantly
worse than arm64 to me on that chart - needs more detailed
investigation). We will do some new archive rebuilds to see what the current status is.
https://people.canonical.com/~doko/ftbfs-report/test-rebuild-20190614-eoan.html
I've also asked the arm compiler team if there are any known issues with this feature.
Wookey
--
Principal hats: Debian, Wookware, ARM
http://wookware.org/
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