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From: Kevin Buettner <kevinb@redhat.com>
To: "Zbigniew Jędrzejewski-Szmek" <zbyszek@in.waw.pl>
Cc: gdb@sourceware.org
Subject: Re: gdb says "Unexpected size of section `.reg-xstate/...' in core file"
Date: Mon, 20 Jul 2020 17:19:21 -0700	[thread overview]
Message-ID: <20200720171921.219e68ca@f32-m1.lan> (raw)
In-Reply-To: <20200714072043.GT7348@in.waw.pl>

On Tue, 14 Jul 2020 07:20:43 +0000
Zbigniew J__drzejewski-Szmek <zbyszek@in.waw.pl> wrote:

> I'm running gdb (via coredumpctl) on a core file from a program
> crashing in Fedora Rawhide. One of the gdb maintainers in Fedora, Jan
> Kratochvil, directed me to this mailing list. bt and other commands
> work fine, but gdb shows the warning in $subject (and the core file
> doesn't seem to be truncated):
> 
> $ coredumpctl gdb
> ...
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `/usr/lib/systemd/systemd-oomd'.
> Program terminated with signal SIGABRT, Aborted.
> 
> warning: Unexpected size of section `.reg-xstate/59286' in core file.
> #0  0x00007f552f8b3b95 in raise () from /lib64/libc.so.6
> (gdb)

This looks like the same bug that I investigated and fixed last week. 
It turned out to be a kernel bug.  I sent a patch to the kernel
maintainers; it's been accepted into several development trees.

Here's a link to the Fedora bug report that I filed:

https://bugzilla.redhat.com/show_bug.cgi?id=1858645

Kevin


      reply	other threads:[~2020-07-21  0:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-14  7:20 Zbigniew Jędrzejewski-Szmek
2020-07-21  0:19 ` Kevin Buettner [this message]

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