From: Rich Felker <dalias@libc.org>
To: Alexey Izbyshev <izbyshev@ispras.ru>
Cc: musl@lists.openwall.com
Subject: Re: __synccall: deadlock and reliance on racy /proc/self/task
Date: Tue, 12 Feb 2019 13:48:49 -0500 [thread overview]
Message-ID: <20190212184849.GO23599@brightrain.aerifal.cx> (raw)
In-Reply-To: <1cc54dbe2e4832d804184f33cda0bdd1@ispras.ru>
On Sun, Feb 03, 2019 at 12:40:39AM +0300, Alexey Izbyshev wrote:
> Hello!
>
> I've discovered that setuid() deadlocks on a simple stress test
> (attached: test-setuid.c) that creates threads concurrently with
> setuid(). (Tested on 1.1.21 on x86_64, kernel 4.15.x and 4.4.x). The
> gdb output:
FYI I just posted the start of a new thread describing the possible
thread list design:
https://www.openwall.com/lists/musl/2019/02/12/14
If you want to reply into it the message-id for replies is,
Message-ID: <20190212182625.GA24199@brightrain.aerifal.cx>
(still wish the openwall archive showed those...)
Rich
next prev parent reply other threads:[~2019-02-12 18:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-02 21:40 Alexey Izbyshev
2019-02-07 18:36 ` Rich Felker
2019-02-08 18:14 ` Alexey Izbyshev
2019-02-08 18:33 ` Rich Felker
2019-02-09 16:21 ` Szabolcs Nagy
2019-02-09 18:33 ` Alexey Izbyshev
2019-02-09 21:40 ` Szabolcs Nagy
2019-02-09 22:29 ` Alexey Izbyshev
2019-02-10 0:52 ` Rich Felker
2019-02-10 1:16 ` Szabolcs Nagy
2019-02-10 1:20 ` Rich Felker
2019-02-10 4:01 ` Rich Felker
2019-02-10 12:32 ` Szabolcs Nagy
2019-02-10 15:05 ` Rich Felker
2019-02-10 12:15 ` Alexey Izbyshev
2019-02-10 14:57 ` Rich Felker
2019-02-10 21:04 ` Alexey Izbyshev
2019-02-12 18:48 ` Rich Felker [this message]
2019-02-21 0:41 ` Rich Felker
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