Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 9 27 Mar 2025, 13:20

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 12:58.395 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.
27.499
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.909
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 2.455
Then patterns cover at least 128 MiB in the guest's memory 4.967

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

When I kill the allocating process 0.767
Then I find very few patterns in the guest's memory after 5 seconds 8.932

Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)

After features/support/hooks.rb:330 1.131
After features/support/hooks.rb:100 0.000
32.922
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.021
Given I have started Tails from DVD without network and logged in 10.223
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 5.898

Pattern coverage: 0.000% (0 MiB out of 856 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.931
Then patterns cover at least 99% of the test FS size in the guest's memory 6.821

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

When I umount "/mnt" 0.682
Then I find very few patterns in the guest's memory after 3 seconds 6.891

Pattern coverage: 0.000% (0 MiB out of 856 MiB reference memory)

After features/support/hooks.rb:330 1.227
After features/support/hooks.rb:100 0.000
56.406
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.828
And I prepare Tails for memory erasure tests 0.628
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.349
Then I find very few patterns in the guest's memory 4.728

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.787
Then patterns cover at least 75% of the test FS size in the guest's memory 4.653

Pattern coverage: 86.790% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.997
Then I find very few patterns in the guest's memory after 3 seconds 6.986

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

# read cache
When I mount the USB drive again 0.690
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 4.914

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

When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 6.616

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:330 1.048
After features/support/hooks.rb:100 0.000
1:24.242
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 11.384
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.903
Then I find very few patterns in the guest's memory 2.675

Pattern coverage: 0.000% (0 MiB out of 846 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.974
Then patterns cover at least 99% of the test FS size in the guest's memory 3.010

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

When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory after 3 seconds 5.509

Pattern coverage: 0.000% (0 MiB out of 846 MiB reference memory)

# read cache
When I mount the USB drive again 6.148
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 4.961

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.902
Then I find very few patterns in the guest's memory after 3 seconds 7.909

Pattern coverage: 0.000% (0 MiB out of 846 MiB reference memory)

After features/support/hooks.rb:330 2.306
After features/support/hooks.rb:100 0.000
1:13.918
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 25.279
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the root filesystem 17.966
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.952
Then patterns cover at least 128 MiB in the guest's memory 5.325

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.902

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

After features/support/hooks.rb:330 3.686
After features/support/hooks.rb:100 0.000
8:23.405
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:37.736
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.804
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.353

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 3.587
After features/support/hooks.rb:100 0.011