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Re: refcounts_ref assertion failure

From: Justus Winter
Subject: Re: refcounts_ref assertion failure
Date: Sun, 10 May 2015 14:32:12 +0200
User-agent: alot/0.3.5

Quoting Thomas Schwinge (2015-05-10 13:08:19)
> Hi!
> Running a binutils/GDB build on an up-to-date Debian GNU/Hurd system, I
> just hit (mostly manually transcribed):
>     ext2fs: ../../libports/../libshouldbeinlibc/refcount.h:165: 
> refcounts_ref: Assertion `! (r.hard == 1 && r.weak == 0) || !"refcount 
> detected use-after-free!"' failed.
> Unfortunately, it was the root filesystem, so I couldn't start GDB to get
> a proper backstack, etc.
> Justed CCed, as you've "lately" ;-) (in "Hurd timescale") been changing
> some code using these refcounts -- just in case you'd happen to have any
> suspicion.

Yes, I have seen this once, and got a report about it too.  I'd be
*very* interested in a reliable way to reproduce this.


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