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[Bug 2071776] [NEW] pty07 from ubuntu_ltp cause VM crash with N-oem-6.10

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Po-Hsu Lin <2071776@xxxxxxxxxxxxxxxxxx>
Date: Wed, 03 Jul 2024 07:09:31 -0000
Reply-to: Bug 2071776 <2071776@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

The pty07 test from ubuntu_ltp will cause test interrupt with Noble OEM
6.10 VM on openstack since 6.10.0-1003.3

This issue can be reproduced with a VM on a bare-metal. When this
happens the VM will be terminated. (Test passed on a Bare-metal with
6.10.0-1005-oem).

Test log:
<<<test_start>>>
tag=pty07 stime=1719989938
cmdline="pty07"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
tst_test.c:1733: TINFO: LTP version: 20230929-609-g3fc2d1b15
tst_test.c:1617: TINFO: Timeout per run is 0h 03m 00s
pty07.c:92: TINFO: Saving active console 1
(VM terminated here)

Steps:
# On a bare-metal running with Noble
sudo apt install uvtool build-essential -y
sudo uvt-simplestreams-libvirt sync --source http://cloud-images.ubuntu.com/daily release=noble arch=amd64
SSH_KEY="$HOME/.ssh/id_rsa"
ssh-keygen -f $SSH_KEY -t rsa -N ''
sudo -u ubuntu uvt-kvm create oem610 release=noble arch=amd64 --memory 2048
sleep 60
ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -i .ssh/id_rsa ubuntu@`sudo uvt-kvm ip oem610`
# Inside the VM
sudo apt-add-repository ppa:canonical-kernel-team/ubuntu/proposed -y
sudo apt install kernel-testing--linux-oem-6.10--full--oem -y
sudo reboot
sleep 60
ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -i .ssh/id_rsa ubuntu@`sudo uvt-kvm ip oem610`
git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/autotest-client-tests -b build-only
git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/autotest -b autotest3
rm -fr autotest/client/tests
ln -sf ~/autotest-client-tests autotest/client/tests
AUTOTEST_PATH=/home/ubuntu/autotest sudo -E autotest/client/autotest-local --verbose autotest/client/tests/ubuntu_ltp/control
echo "pty07 pty07" > /home/ubuntu/pty
sudo /opt/ltp/runltp -f /home/ubuntu/pty

This issue can be reproduced with mainline kernel v6.10-rc4 (AMD64 debs
are not available for v6.10-rc6)

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-oem-6.10 (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux (Ubuntu Noble)
     Importance: Undecided
         Status: Invalid

** Affects: linux-oem-6.10 (Ubuntu Noble)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Oracular)
     Importance: Undecided
         Status: New

** Affects: linux-oem-6.10 (Ubuntu Oracular)
     Importance: Undecided
         Status: Invalid


** Tags: 6.10 amd64 noble oem ubuntu-ltp

** Also affects: linux-oem-6.10 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Oracular)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.10 (Ubuntu Oracular)
   Importance: Undecided
       Status: New

** Changed in: linux-oem-6.10 (Ubuntu Oracular)
       Status: New => Invalid

** Also affects: linux (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-6.10 (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Noble)
       Status: New => Invalid

** Description changed:

  The pty07 test from ubuntu_ltp will cause test interrupt with Noble OEM
  6.10 VM on openstack since 6.10.0-1003.3
  
  This issue can be reproduced with a VM on a bare-metal. When this
  happens the VM will be terminated. (Test passed on a Bare-metal with
  6.10.0-1005-oem).
  
  Test log:
  <<<test_start>>>
  tag=pty07 stime=1719989938
  cmdline="pty07"
  contacts=""
  analysis=exit
  <<<test_output>>>
  incrementing stop
  tst_test.c:1733: TINFO: LTP version: 20230929-609-g3fc2d1b15
  tst_test.c:1617: TINFO: Timeout per run is 0h 03m 00s
  pty07.c:92: TINFO: Saving active console 1
  (VM terminated here)
  
+ Steps:
+ # On a bare-metal running with Noble
+ sudo apt install uvtool build-essential -y
+ sudo uvt-simplestreams-libvirt sync --source http://cloud-images.ubuntu.com/daily release=noble arch=amd64
+ SSH_KEY="$HOME/.ssh/id_rsa"
+ ssh-keygen -f $SSH_KEY -t rsa -N ''
+ sudo -u ubuntu uvt-kvm create oem610 release=noble arch=amd64 --memory 2048
+ sleep 60
+ ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -i .ssh/id_rsa ubuntu@`sudo uvt-kvm ip oem610`
+ # Inside the VM
+ sudo apt-add-repository ppa:canonical-kernel-team/ubuntu/proposed -y
+ sudo apt install kernel-testing--linux-oem-6.10--full--oem -y
+ sudo reboot
+ sleep 60
+ ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -i .ssh/id_rsa ubuntu@`sudo uvt-kvm ip oem610`
+ git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/autotest-client-tests -b build-only
+ git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/autotest -b autotest3
+ rm -fr autotest/client/tests
+ ln -sf ~/autotest-client-tests autotest/client/tests
+ AUTOTEST_PATH=/home/ubuntu/autotest sudo -E autotest/client/autotest-local --verbose autotest/client/tests/ubuntu_ltp/control
+ echo "pty07 pty07" > /home/ubuntu/pty
+ sudo /opt/ltp/runltp -f /home/ubuntu/pty
+ 
  This issue can be reproduced with mainline kernel v6.10-rc4 (AMD64 debs
  are not available for v6.10-rc6)

-- 
You received this bug notification because you are a member of Canonical
Platform QA Team, which is subscribed to ubuntu-kernel-tests.
https://bugs.launchpad.net/bugs/2071776

Title:
  pty07 from ubuntu_ltp cause VM crash with N-oem-6.10

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  New
Status in linux-oem-6.10 package in Ubuntu:
  Invalid
Status in linux source package in Noble:
  Invalid
Status in linux-oem-6.10 source package in Noble:
  New
Status in linux source package in Oracular:
  New
Status in linux-oem-6.10 source package in Oracular:
  Invalid

Bug description:
  The pty07 test from ubuntu_ltp will cause test interrupt with Noble
  OEM 6.10 VM on openstack since 6.10.0-1003.3

  This issue can be reproduced with a VM on a bare-metal. When this
  happens the VM will be terminated. (Test passed on a Bare-metal with
  6.10.0-1005-oem).

  Test log:
  <<<test_start>>>
  tag=pty07 stime=1719989938
  cmdline="pty07"
  contacts=""
  analysis=exit
  <<<test_output>>>
  incrementing stop
  tst_test.c:1733: TINFO: LTP version: 20230929-609-g3fc2d1b15
  tst_test.c:1617: TINFO: Timeout per run is 0h 03m 00s
  pty07.c:92: TINFO: Saving active console 1
  (VM terminated here)

  Steps:
  # On a bare-metal running with Noble
  sudo apt install uvtool build-essential -y
  sudo uvt-simplestreams-libvirt sync --source http://cloud-images.ubuntu.com/daily release=noble arch=amd64
  SSH_KEY="$HOME/.ssh/id_rsa"
  ssh-keygen -f $SSH_KEY -t rsa -N ''
  sudo -u ubuntu uvt-kvm create oem610 release=noble arch=amd64 --memory 2048
  sleep 60
  ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -i .ssh/id_rsa ubuntu@`sudo uvt-kvm ip oem610`
  # Inside the VM
  sudo apt-add-repository ppa:canonical-kernel-team/ubuntu/proposed -y
  sudo apt install kernel-testing--linux-oem-6.10--full--oem -y
  sudo reboot
  sleep 60
  ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -i .ssh/id_rsa ubuntu@`sudo uvt-kvm ip oem610`
  git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/autotest-client-tests -b build-only
  git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/autotest -b autotest3
  rm -fr autotest/client/tests
  ln -sf ~/autotest-client-tests autotest/client/tests
  AUTOTEST_PATH=/home/ubuntu/autotest sudo -E autotest/client/autotest-local --verbose autotest/client/tests/ubuntu_ltp/control
  echo "pty07 pty07" > /home/ubuntu/pty
  sudo /opt/ltp/runltp -f /home/ubuntu/pty

  This issue can be reproduced with mainline kernel v6.10-rc4 (AMD64
  debs are not available for v6.10-rc6)

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Follow ups

[Bug 2071776] Re: pty07 from ubuntu_ltp cause VM crash with N-oem-6.10
From: Timo Aaltonen, 2024-08-16
[Bug 2071776] Re: pty07 from ubuntu_ltp cause VM crash with N-oem-6.10
From: Po-Hsu Lin, 2024-07-03