[systemd-devel] [EXT] Re: Re: systemd-coredump[25256]: AT_NULL terminator not found, cannot parse auxv structure.

[Windl, Ulrich]

The whole thing is quite mysterious; if interested, you might look at https://stackoverflow.com/q/78926893/6607497

> -----Original Message-----
> From: systemd-devel <systemd-devel-bounces at lists.freedesktop.org> On
> Behalf Of Dave Howorth
> Sent: Tuesday, August 27, 2024 1:35 PM
> To: systemd-devel at lists.freedesktop.org
> Subject: [EXT] Re: [systemd-devel] Re: systemd-coredump[25256]: AT_NULL
> terminator not found, cannot parse auxv structure.
> 
> > > From: Andrei Borzenkov <arvidjaar at gmail.com>
> > > Sent: Tuesday, August 27, 2024 12:53 PM
> > > To: Windl, Ulrich <u.windl at ukr.de>
> > > Cc: systemd-devel at lists.freedesktop.org
> > > Subject: [EXT] Re: [systemd-devel] systemd-coredump[25256]: AT_NULL
> > > terminator not found, cannot parse auxv structure.
> > >
> > > On Tue, Aug 27, 2024 at 12:21 PM Windl, Ulrich <u.windl at ukr.de>
> > > wrote:
> > > >
> > > > I have an issue where Perl dumps core for no obvious reason, and
> > > > I noticed the line
> > > >
> > > > systemd-coredump[25256]: AT_NULL terminator not found, cannot
> > > > parse auxv structure.
> > >
> > > It parses /proc/$PIF/auxv and apparently it was malformed. Look at
> > > "hexdump -C" or similar, it should end with the line full of zeroes.
> 
> On Tue, 27 Aug 2024 11:02:30 +0000
> "Windl, Ulrich" <u.windl at ukr.de> wrote:
> >
> > When I checked a few samples, they all look valid. As (as I said) I
> > don't really can explain why Perl crashes, it seems to be some kind
> > of bad corruption (in the kernel?)...
> 
> So you need to alter your perl program so it tells you exactly which
> file it is looking at before it does anything with the file. Then
> you'll know where the error is occurring. Debug your program.