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On 10/11/15 11:48 PM, Mike Frysinger wrote: > On 11 Nov 2015 03:01, Romain Geissler wrote: >> For us the goal is obviously to activate it by default, like many we have >> been using relro binaries for years now without any issue (x64). I know >> SuSe that we use is shipping by default binutils having a similar patch. >> However I'll wait the advice of the binutils gurus to decide this change. > > i don't remember if i mentioned this before, but we've been doing it in Gentoo > as well for all arches/targets since at least 2.18 / 2008. i don't recall any > grievous bugs due to it, but it's been a long time ... > -mike There's a similar patch in Fedora. I want this enabled in Arch Linux (which already uses RELRO, strong SSP, _FORTIFY_SOURCE=2, etc. via CFLAGS/LDFLAGS), but it has a policy against applying patches not accepted by upstream (i.e. backports are fine). There's a cost to having stuff like this out-of-tree. If the major distributions want this and patch their toolchain to have it, that's a strong sign that it should really be upstream (as should SSP by default in GCC).
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