Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31

2020-01-11 Thread Colin Watson
On Sat, Jan 11, 2020 at 01:20:49PM +, Colin Watson wrote: > I have some other things to do this weekend, but I'll chase this up with > upstream and arrange for this to get into appropriate Debian packages. It turned out that upstream had committed a fix a few days ago [1], so I cherry-picked t

Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31

2020-01-11 Thread Colin Watson
Ian Jackson (CCed) just ran into this and we debugged it together on IRC. This turns out to be a variant of https://bugs.debian.org/941663 that only affects certain architectures, because glibc implements shmget/shmat/shmdt using the ipc syscall on certain architectures. For example, shmget is:

Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31

2019-12-08 Thread Bernhard Übelacker
Am 07.12.19 um 18:20 schrieb Colin Watson: > 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 shmd

Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31

2019-12-07 Thread Colin Watson
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

Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31

2019-12-07 Thread Bernhard Übelacker
Dear Maintainer, 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. Kind regards, Bernhard (gdb) bt #0 shmdt (shmaddr=0xb774) at ../sysde

Bug#946242: fatal: privsep_preauth: preauth child terminated by signal 31

2019-12-05 Thread crunch
Package: openssh-server Version: 1:7.9p1-10+deb10u1 Severity: grave Justification: renders package unusable Dear Maintainer, *** Reporter, please consider answering these questions, where appropriate *** * What led up to the situation? apt upgrade lead to openssh-server * being unusable.