Project Number Date
test_Tails_ISO_stable 5452 12 Feb 2025, 08:50

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 11:37.046 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
25.549
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.312
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.510
Then patterns cover at least 128 MiB in the guest's memory 3.786 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.749
Then I find very few patterns in the guest's memory after 5 seconds 7.743 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.421
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.979
And I prepare Tails for memory erasure tests 0.462
And I find very few patterns in the guest's memory 3.093 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.114
Then patterns cover at least 99% of the test FS size in the guest's memory 3.232 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.713
Then I find very few patterns in the guest's memory after 3 seconds 5.825 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.913
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.040
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.712
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.206
Then I find very few patterns in the guest's memory 3.549 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.811
Then patterns cover at least 75% of the test FS size in the guest's memory 4.440 
Pattern coverage: 90.161% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.587
Then I find very few patterns in the guest's memory after 3 seconds 6.677 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.333
And I read the content of the test FS 0.783
Then patterns cover at least 99% of the test FS size in the guest's memory 4.462 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.061
Then I find very few patterns in the guest's memory after 3 seconds 6.958 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.997
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.412
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.981
And I prepare Tails for memory erasure tests 0.650
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.840
Then I find very few patterns in the guest's memory 3.244 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.228
Then patterns cover at least 99% of the test FS size in the guest's memory 3.534 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.494
Then I find very few patterns in the guest's memory after 3 seconds 6.221 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 5.847
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.391
Then I find very few patterns in the guest's memory after 3 seconds 6.084 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.868
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.373
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.130
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the root filesystem 14.881
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.996
Then patterns cover at least 128 MiB in the guest's memory 3.064 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.845 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.250
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:56.709
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.896
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.162 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.786
After features/support/hooks.rb:100 0.013