Project Number Date
test_Tails_ISO_stable 5314 05 Dec 2024, 08:36

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 11:16.721 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
22.924
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.310
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 2.333
Then patterns cover at least 128 MiB in the guest's memory 3.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.483
Then I find very few patterns in the guest's memory after 3 seconds 5.877 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.155
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.437
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 2.829 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.371
Then patterns cover at least 99% of the test FS size in the guest's memory 3.097 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.956
Then I find very few patterns in the guest's memory after 3 seconds 6.027 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 0.877
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.906
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.290
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.245
Then I find very few patterns in the guest's memory 2.821 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.377
Then patterns cover at least 75% of the test FS size in the guest's memory 3.055 
Pattern coverage: 95.237% (121 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.892
Then I find very few patterns in the guest's memory after 3 seconds 6.259 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.467
And I read the content of the test FS 0.794
Then patterns cover at least 99% of the test FS size in the guest's memory 3.903 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 6.618 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 3.617
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.870
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.408
Then I find very few patterns in the guest's memory 2.620 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.220
Then patterns cover at least 99% of the test FS size in the guest's memory 2.760 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.124
Then I find very few patterns in the guest's memory after 3 seconds 5.538 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 6.745
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.059 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.697
Then I find very few patterns in the guest's memory after 3 seconds 5.636 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 0.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.240
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.451
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the root filesystem 16.586
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.854
Then patterns cover at least 128 MiB in the guest's memory 3.002 
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 869 MiB reference memory)
After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.623
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 6:42.543
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.350
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.259 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.566
After features/support/hooks.rb:100 0.014