[Bug 271490] Deadlock between _rtld_atfork_pre and _thr_attr_init

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 21 May 2023 11:25:40 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271490

--- Comment #13 from Konstantin Belousov <kib@FreeBSD.org> ---
LD_BIND_NOW is not a fix, it mostly avoids taking the bind lock in parallel
with the new thread creating its TLS segment, which also requires the same
lock.

If so critical, I can prepare errata notice for 13.2 after the change sit in
main and stable/13 for some time.  It simply some additional work both for me
and for security team which manages updates on releng branches.

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