Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 6 21 Jun 2025, 21:22

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 14:6.025 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
33.200
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 12.001
And I prepare Tails for memory erasure tests 0.624
When I start a process allocating 128 MiB of memory with a known pattern 4.891
Then patterns cover at least 128 MiB in the guest's memory 7.624 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.345
Then I find very few patterns in the guest's memory after 5 seconds 7.713 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.655
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 9.998
And I prepare Tails for memory erasure tests 0.804
And I find very few patterns in the guest's memory 3.739 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.194
Then patterns cover at least 99% of the test FS size in the guest's memory 3.657 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.957
Then I find very few patterns in the guest's memory after 3 seconds 8.302 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.968
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.536
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 9.369
And I prepare Tails for memory erasure tests 0.612
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.023
Then I find very few patterns in the guest's memory 2.794 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.400
Then patterns cover at least 75% of the test FS size in the guest's memory 3.553 
Pattern coverage: 90.988% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.101
Then I find very few patterns in the guest's memory after 3 seconds 7.983 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.334
And I read the content of the test FS 0.682
Then patterns cover at least 99% of the test FS size in the guest's memory 3.748 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.991
Then I find very few patterns in the guest's memory after 3 seconds 5.942 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.944
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:44.574
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.022
Given I have started Tails from DVD without network and logged in 12.444
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 56.825
Then I find very few patterns in the guest's memory 3.135 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.640
Then patterns cover at least 99% of the test FS size in the guest's memory 3.335 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.878
Then I find very few patterns in the guest's memory after 3 seconds 8.397 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 4.463
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 2.472 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.195
Then I find very few patterns in the guest's memory after 3 seconds 8.814 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 2.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.930
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 10.012
And I prepare Tails for memory erasure tests 0.990
When I fill a 128 MiB file with a known pattern on the root filesystem 15.839
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.740
Then patterns cover at least 128 MiB in the guest's memory 2.697 
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 24.636 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:27.128
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:39.743
And I prepare Tails for memory erasure tests 0.662
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.449
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.259 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.663
After features/support/hooks.rb:100 0.011