From: Godmar Back <godmar@gmail.com>
To: Tobias Bading <tbading@web.de>
Cc: William Tambe via Libc-help <libc-help@sourceware.org>
Subject: Re: (stat(...) == -1 || faccessat(...) == -1) && errno == EINTR ?!??
Date: Sun, 14 Feb 2021 17:04:28 -0500 [thread overview]
Message-ID: <CAB4+JYJ8HE4eMUU3drbXRQ-s_saC1MnB0+p+e+d91Dku5Am-ZQ@mail.gmail.com> (raw)
In-Reply-To: <a445feab-69b8-2d3c-7223-2088c53263f4@web.de>
I don't know if this qualifies as "breaking userland" or "this has
never worked."
You could use systemtap to patch the kernel to see if you can trap the
path where they're returning `EINTR`.
I recently came across a blog post:
https://engineering.skroutz.gr/blog/uncovering-a-24-year-old-bug-in-the-linux-kernel/
where some people did that and found a bug in the TCP code. Very
impressive.
next prev parent reply other threads:[~2021-02-14 22:04 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-14 11:13 Tobias Bading
2021-02-14 12:18 ` Tobias Bading
2021-02-14 13:17 ` Tobias Bading
2021-02-14 15:14 ` Godmar Back
2021-02-14 15:20 ` Godmar Back
2021-02-14 17:30 ` Tobias Bading
2021-02-14 22:04 ` Godmar Back [this message]
2021-02-15 9:15 ` Tobias Bading
2021-02-15 9:24 ` Florian Weimer
2021-02-15 9:43 ` Tobias Bading
2021-02-15 9:45 ` Florian Weimer
2021-02-15 10:02 ` Tobias Bading
2021-02-15 10:20 ` Florian Weimer
2021-02-15 10:36 ` Tobias Bading
2021-02-15 8:33 ` Tobias Bading
2021-02-15 8:45 ` Konstantin Kharlamov
2021-02-15 10:25 ` Tobias Bading
2021-02-14 17:56 ` Konstantin Kharlamov
2021-02-14 18:58 ` Tobias Bading
2021-02-14 20:46 ` Konstantin Kharlamov
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