Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31
On Sat, Dec 07, 2019 at 04:52:19PM +0100, Bernhard Übelacker wrote:
> I could reproduce the issue in a i386 qemu VM with
> a downgraded 3.16-3-686-pae kernel.
> Attached file contains a debug session.
>
> At the sysenter instruction in function shmdt
> the signal SIGSYS is received.
Since you're building it locally already, it would be helpful if you
could follow the debugging instructions in a comment near the top of
sandbox-seccomp-filter.c (either the auditctl approach, or if that
doesn't work on such an old kernel, the ""uncomment this macro"
approach).
--
Colin Watson [cjwatson@debian.org]
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