Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 21 08 Nov 2024, 18:07

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 10:43.743 Passed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
19.662
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.878
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 1.157
Then patterns cover at least 128 MiB in the guest's memory 3.476

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.879
Then I find very few patterns in the guest's memory after 3 seconds 5.804

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.872
After features/support/hooks.rb:100 0.000
22.003
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.860
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 2.763

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.451
Then patterns cover at least 99% of the test FS size in the guest's memory 3.104

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.660
Then I find very few patterns in the guest's memory after 3 seconds 5.693

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 0.843
After features/support/hooks.rb:100 0.000
46.256
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.908
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.028
Then I find very few patterns in the guest's memory 2.902

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.474
Then patterns cover at least 75% of the test FS size in the guest's memory 3.298

Pattern coverage: 85.768% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.156
Then I find very few patterns in the guest's memory after 3 seconds 6.507

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 3.966

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory after 3 seconds 6.225

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 0.949
After features/support/hooks.rb:100 0.000
1:14.388
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.979
And I prepare Tails for memory erasure tests 0.555
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.845
Then I find very few patterns in the guest's memory 2.095

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.839
Then patterns cover at least 99% of the test FS size in the guest's memory 2.707

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.906
Then I find very few patterns in the guest's memory after 3 seconds 5.396

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 4.962
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 2.665

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.667
Then I find very few patterns in the guest's memory after 3 seconds 5.357

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
51.887
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.942
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 18.211
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.034
Then patterns cover at least 128 MiB in the guest's memory 2.471

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.742

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.476
After features/support/hooks.rb:100 0.000
7:9.544
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:23.992
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.994
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.167

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.010