Project Number Date
test_Tails_ISO_stable 5642 12 May 2025, 14:33

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 11:11.189 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
23.874
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 8.555
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 2.407
Then patterns cover at least 128 MiB in the guest's memory 3.453 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.754
Then I find very few patterns in the guest's memory after 5 seconds 8.201 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.685
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.844
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 8.116
And I prepare Tails for memory erasure tests 0.510
And I find very few patterns in the guest's memory 2.989 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.822
Then patterns cover at least 99% of the test FS size in the guest's memory 3.516 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.543
Then I find very few patterns in the guest's memory after 3 seconds 6.345 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.609
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.907
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 8.224
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.996
Then I find very few patterns in the guest's memory 3.819 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.344
Then patterns cover at least 75% of the test FS size in the guest's memory 7.040 
Pattern coverage: 86.879% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.972
Then I find very few patterns in the guest's memory after 3 seconds 6.696 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 0.576
Then patterns cover at least 99% of the test FS size in the guest's memory 3.778 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.642
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.591
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 7.942
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.996
Then I find very few patterns in the guest's memory 2.535 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.956
Then patterns cover at least 99% of the test FS size in the guest's memory 3.768 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.896
Then I find very few patterns in the guest's memory after 3 seconds 7.000 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 3.956
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.405 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 6.752 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.136
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.553
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 9.486
And I prepare Tails for memory erasure tests 0.533
When I fill a 128 MiB file with a known pattern on the root filesystem 15.149
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.141
Then patterns cover at least 128 MiB in the guest's memory 2.493 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.734 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.418
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 6:42.141
And I prepare Tails for memory erasure tests 0.708
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.143
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.412 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.543
After features/support/hooks.rb:100 0.018