Project Number Date
test_Tails_ISO_stable 5079 08 Sep 2024, 08:38

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 12:14.018 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
26.245
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.212
And I prepare Tails for memory erasure tests 0.640
When I start a process allocating 128 MiB of memory with a known pattern 3.525
Then patterns cover at least 128 MiB in the guest's memory 3.910 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.512
Then I find very few patterns in the guest's memory after 3 seconds 6.443 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.230
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.617
And I prepare Tails for memory erasure tests 0.437
And I find very few patterns in the guest's memory 2.878 
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 2.294
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 5.662
Then I find very few patterns in the guest's memory after 3 seconds 6.050 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.027
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.200
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.262
Then I find very few patterns in the guest's memory 3.182 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.395
Then patterns cover at least 75% of the test FS size in the guest's memory 3.870 
Pattern coverage: 91.685% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.681
Then I find very few patterns in the guest's memory after 3 seconds 6.429 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.625
And I read the content of the test FS 0.784
Then patterns cover at least 99% of the test FS size in the guest's memory 4.195 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.473
Then I find very few patterns in the guest's memory after 3 seconds 6.473 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.031
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.281
Then I find very few patterns in the guest's memory 3.129 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.508
Then patterns cover at least 99% of the test FS size in the guest's memory 2.890 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 5.394
Then I find very few patterns in the guest's memory after 3 seconds 5.378 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 15.993
And I read the content of the test FS 0.393
Then patterns cover at least 99% of the test FS size in the guest's memory 2.993 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.711
Then I find very few patterns in the guest's memory after 3 seconds 6.292 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.960
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.733
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.302
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the root filesystem 16.362
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.942
Then patterns cover at least 128 MiB in the guest's memory 2.806 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.795 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.260
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 7:22.497
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.947
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.333 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.593
After features/support/hooks.rb:100 0.011