Project Number Date
test_Tails_ISO_stable 5552 03 Apr 2025, 20:50

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 11:3.331 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
26.804
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 8.832
And I prepare Tails for memory erasure tests 0.535
When I start a process allocating 128 MiB of memory with a known pattern 2.414
Then patterns cover at least 128 MiB in the guest's memory 4.934 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.745
Then I find very few patterns in the guest's memory after 5 seconds 9.341 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.934
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 9.072
And I prepare Tails for memory erasure tests 0.737
And I find very few patterns in the guest's memory 3.991 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.869
Then patterns cover at least 99% of the test FS size in the guest's memory 4.500 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.532
Then I find very few patterns in the guest's memory after 3 seconds 6.231 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.798
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 8.146
And I prepare Tails for memory erasure tests 0.595
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.205
Then I find very few patterns in the guest's memory 3.184 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.526
Then patterns cover at least 75% of the test FS size in the guest's memory 3.703 
Pattern coverage: 93.948% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.982
Then I find very few patterns in the guest's memory after 3 seconds 6.260 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.295
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 3.699 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.580
Then I find very few patterns in the guest's memory after 3 seconds 7.090 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.599
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 8.128
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.223
Then I find very few patterns in the guest's memory 3.480 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.968
Then patterns cover at least 99% of the test FS size in the guest's memory 3.875 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.834
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 3.824
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 2.983 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 5.734 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.299
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.418
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 7.969
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the root filesystem 13.664
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.455
Then patterns cover at least 128 MiB in the guest's memory 3.932 
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 20.807 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.458
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.776
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 6:35.439
And I prepare Tails for memory erasure tests 0.827
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.351
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.142 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.013