Project Number Date
test_Tails_ISO_devel 3479 14 Aug 2024, 12:55

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 12:27.134 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
25.958
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.985
And I prepare Tails for memory erasure tests 0.608
When I start a process allocating 128 MiB of memory with a known pattern 2.368
Then patterns cover at least 128 MiB in the guest's memory 3.868 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 4.121
Then I find very few patterns in the guest's memory after 3 seconds 6.005 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.275
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.125
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.174
And I prepare Tails for memory erasure tests 0.615
And I find very few patterns in the guest's memory 3.048 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.076
Then patterns cover at least 99% of the test FS size in the guest's memory 3.414 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.837
Then I find very few patterns in the guest's memory after 3 seconds 6.958 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.392
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.911
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.381
Then I find very few patterns in the guest's memory 3.832 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.109
Then patterns cover at least 75% of the test FS size in the guest's memory 4.733 
Pattern coverage: 93.195% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.684
Then I find very few patterns in the guest's memory after 3 seconds 6.850 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.288
And I read the content of the test FS 0.828
Then patterns cover at least 99% of the test FS size in the guest's memory 4.314 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.381
Then I find very few patterns in the guest's memory after 3 seconds 6.586 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.879
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.643
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.795
And I prepare Tails for memory erasure tests 0.600
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.720
Then I find very few patterns in the guest's memory 3.432 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.073
Then patterns cover at least 99% of the test FS size in the guest's memory 2.654 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.118
Then I find very few patterns in the guest's memory after 3 seconds 5.475 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 6.217
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 3.270 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.803
Then I find very few patterns in the guest's memory after 3 seconds 6.029 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.191
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.460
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.289
And I prepare Tails for memory erasure tests 0.602
When I fill a 128 MiB file with a known pattern on the root filesystem 14.791
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.021
Then patterns cover at least 128 MiB in the guest's memory 2.898 
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 20.843 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:32.553
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:47.485
And I prepare Tails for memory erasure tests 0.699
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.066
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.283 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.012