Project Number Date
test_Tails_ISO_devel 3713 01 Mar 2025, 12:42

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 11:55.759 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
23.526
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 8.588
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 2.595
Then patterns cover at least 128 MiB in the guest's memory 3.562 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.338
Then I find very few patterns in the guest's memory after 5 seconds 7.998 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.712
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.715
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 8.350
And I prepare Tails for memory erasure tests 0.543
And I find very few patterns in the guest's memory 3.672 
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 2.061
Then patterns cover at least 99% of the test FS size in the guest's memory 4.037 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.089
Then I find very few patterns in the guest's memory after 3 seconds 6.960 
Pattern coverage: 0.000% (0 MiB out of 901 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
54.464
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 8.163
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.235
Then I find very few patterns in the guest's memory 3.883 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.965
Then patterns cover at least 75% of the test FS size in the guest's memory 4.232 
Pattern coverage: 89.236% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.703
Then I find very few patterns in the guest's memory after 3 seconds 6.969 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.459
And I read the content of the test FS 0.972
Then patterns cover at least 99% of the test FS size in the guest's memory 4.041 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 6.648 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.991
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 8.228
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.957
Then I find very few patterns in the guest's memory 2.846 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.257
Then patterns cover at least 99% of the test FS size in the guest's memory 3.418 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.547
Then I find very few patterns in the guest's memory after 3 seconds 5.992 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 5.799
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 3.430 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.794
Then I find very few patterns in the guest's memory after 3 seconds 5.797 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 2.092
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
52.304
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.014
Given I have started Tails from DVD without network and logged in 8.675
And I prepare Tails for memory erasure tests 0.507
When I fill a 128 MiB file with a known pattern on the root filesystem 17.136
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.884
Then patterns cover at least 128 MiB in the guest's memory 3.163 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 20.911 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.476
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:1.756
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 7:14.070
And I prepare Tails for memory erasure tests 1.243
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.132
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.293 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.512
After features/support/hooks.rb:100 0.014