[Bug 239873] www/firefox and mail/thunderbird don't like the new ASLR "stackgap" feature

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Dec 19 01:19:45 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239873

--- Comment #6 from sigsys at gmail.com ---
(In reply to Konstantin Belousov from comment #5)
Ok. Yeah... I see it's much better to disable just the ASLR stackgap separately
like this (since the "bottom" one isn't the problem).

Firefox/Thunderbird work fine with this new "aslrstkgap" elfctl(1) toggle.
Thanks for doing this!

Now all that would be missing is to have the ports set it automatically on the
installed binaries.  Am I right to assume that setting unknown ELF flags like
this should be harmless for older FreeBSD versions that don't support them?

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