[Bug 241905] SSP setup is not thread-safe ?

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Tue Nov 12 12:45:35 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241905

--- Comment #3 from Konstantin Belousov <kib at FreeBSD.org> ---
What is the object that contains constructors creating the threads ?  Rtld runs
user initializers in the reverse-dep order, i.e. the libraries not having
dependencies are initialized first, then libs that directly depend on already
initialized libraries, and the main object is processed last.

libc normally must be linked as the dependency for everything, so it naturally
appears at the root of the dependency graph and initialized first.  If not, it
probably means that the build system underlinks.

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