Project Number Date
test_Tails_ISO_stable 5417 25 Jan 2025, 12:27

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 11:5.288 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
28.268
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.457
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 2.537
Then patterns cover at least 128 MiB in the guest's memory 4.349 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.357
Then I find very few patterns in the guest's memory after 5 seconds 12.123 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.116
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.350
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.650
And I prepare Tails for memory erasure tests 0.363
And I find very few patterns in the guest's memory 3.567 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.883
Then patterns cover at least 99% of the test FS size in the guest's memory 3.906 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.454
Then I find very few patterns in the guest's memory after 3 seconds 6.524 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.934
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.048
Then I find very few patterns in the guest's memory 3.061 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.465
Then patterns cover at least 75% of the test FS size in the guest's memory 4.163 
Pattern coverage: 84.262% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.189
Then I find very few patterns in the guest's memory after 3 seconds 6.134 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.803
Then patterns cover at least 99% of the test FS size in the guest's memory 3.697 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.915
Then I find very few patterns in the guest's memory after 3 seconds 6.710 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.406
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.581
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.810
Then I find very few patterns in the guest's memory 2.475 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.498
Then patterns cover at least 99% of the test FS size in the guest's memory 2.641 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.975
Then I find very few patterns in the guest's memory after 3 seconds 5.394 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 4.400
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 2.616 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.696
Then I find very few patterns in the guest's memory after 3 seconds 5.264 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.822
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.505
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.880
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 17.341
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.563
Then patterns cover at least 128 MiB in the guest's memory 2.299 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.987 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:24.823
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 6:41.413
And I prepare Tails for memory erasure tests 0.658
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.642
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.092 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.011