Project Number Date
test_Tails_ISO_stable 5707 10 Jun 2025, 18:21

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 13:15.312 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
26.943
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 9.338
And I prepare Tails for memory erasure tests 0.760
When I start a process allocating 128 MiB of memory with a known pattern 3.078
Then patterns cover at least 128 MiB in the guest's memory 4.592 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.315
Then I find very few patterns in the guest's memory after 5 seconds 8.859 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.972
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.429
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 9.445
And I prepare Tails for memory erasure tests 0.501
And I find very few patterns in the guest's memory 3.922 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.036
Then patterns cover at least 99% of the test FS size in the guest's memory 3.873 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.440
Then I find very few patterns in the guest's memory after 3 seconds 8.209 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 1.052
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.823
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 10.061
And I prepare Tails for memory erasure tests 0.682
When I plug and mount a 128 MiB USB drive with a vfat filesystem 18.118
Then I find very few patterns in the guest's memory 5.296 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.057
Then patterns cover at least 75% of the test FS size in the guest's memory 6.748 
Pattern coverage: 86.429% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 10.883 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.296
And I read the content of the test FS 1.001
Then patterns cover at least 99% of the test FS size in the guest's memory 6.346 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 10.862 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.383
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.211
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 10.849
And I prepare Tails for memory erasure tests 0.627
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.259
Then I find very few patterns in the guest's memory 3.672 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.896
Then patterns cover at least 99% of the test FS size in the guest's memory 3.886 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.766
Then I find very few patterns in the guest's memory after 3 seconds 7.500 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 4.259
And I read the content of the test FS 0.694
Then patterns cover at least 99% of the test FS size in the guest's memory 3.933 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 6.121 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.723
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.824
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 10.234
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the root filesystem 18.169
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.244
Then patterns cover at least 128 MiB in the guest's memory 3.687 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.978 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:41.079
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:56.971
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.133
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.461 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.056