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Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests

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Control: reassign -1 src:linux 5.10.120-1
Control: tag -1 upstream moreinfo

On Tuesday, 5 July 2022 12:09:00 CEST Michael wrote:
> package: linux-image-5.10.0-15-arm64
> version: 5.10.120-1
> 
> i am running virtualbox 6.1.34 from the virtualbox.org repo on a debian
> 11.3 host. the guest also runs debian 11.3.
> 
> when both host and guest run the latest stable kernel 5.10.0-15
> (5.10.120-1) i get random process crashes in the guest when having
> significant i/o for longer than a few seconds on the host.
> 
> and eventually guest processes start to randomly crash, e.g.:
> 
> Jun 30 20:17:01 vmguest kernel: traps: sh[250946] general protection fault
> ip:7fb0c341708e sp:7ffec3154378 error:0 in
> libc-2.31.so[7fb0c33a6000+14b000]
> Jul 01 00:00:02 vmguest kernel: traps: hostname[253617] general protection
> fault ip:7f905f2b24a6 sp:7fff44a30e30 error:0 in
> libc-2.31.so[7f905f299000+14b000]
> Jul 01 00:53:01 vmguest kernel: traps: wget[254290] general protection
> fault ip:7f934bc23fda sp:7ffd716954d0 error:0 in
> libtasn1.so.6.6.0[7f934bc1a000+c000]
> 
> if i switch to kernel 5.10.0-14 (5.10.113-1) on the host (the guest kernel
> remains 5.10.0-15), then the random process crashes in the guest disappear,
> although the complaints from hrtimer and clocksource still remain, but
> significantly less often.

This indeed looks like an upstream regression between 5.10.113 and 5.10.120.

What surprises me are the time gaps between those GPF messages, ~3.5h and 50m, 
but not within the same second/minute. What happens between those time stamps?

If there are more messages around those GPF messages, it would be useful to 
share those as well.

In Stable-Proposed-Updates there is a 5.10.127-1 version and it would be 
useful to test whether the issue happens with that version too.

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Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Michael <ml@hemathor.de> - 2022-07-05 12:30 +0200
  Bug#1014394: Also Affected - linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Richard Laysell <mldebian@xiphosura.co.uk> - 2022-07-05 19:10 +0200
  Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Diederik de Haas <didi.debian@cknow.org> - 2022-07-05 20:00 +0200
  Bug#1014394: Stable Proposed Updates Kernel Richard Laysell <mldebian@xiphosura.co.uk> - 2022-07-05 21:40 +0200
    Bug#1014394: Stable Proposed Updates Kernel Diederik de Haas <didi.debian@cknow.org> - 2022-07-08 22:40 +0200
  Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Diederik de Haas <didi.debian@cknow.org> - 2022-07-05 23:30 +0200
  Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Walter Schweizer <swwa@users.sourceforge.net> - 2022-07-08 14:40 +0200
  Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Bastian Blank <waldi@debian.org> - 2022-07-08 15:00 +0200
    Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Mike Kupfer <mkupfer@alum.berkeley.edu> - 2022-07-09 02:50 +0200
      Bug#1014394: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Richard Laysell <richard.laysell@xiphosura.co.uk> - 2022-07-11 08:40 +0200
  Bug#1014394: linux-image-5.10.0-15: Re: linux kernel 5.10.0-15 on virtualbox host causes random process crashes in guests Walter Schweizer <swwa@users.sourceforge.net> - 2022-07-14 15:00 +0200

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