Project Number Date
test_Tails_ISO_devel 3771 09 Apr 2025, 10:14

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 11:38.119 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
27.848
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 8.340
And I prepare Tails for memory erasure tests 0.463
When I start a process allocating 128 MiB of memory with a known pattern 3.887
Then patterns cover at least 128 MiB in the guest's memory 5.266 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.711
Then I find very few patterns in the guest's memory after 5 seconds 9.177 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:330 0.850
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.642
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 8.233
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 3.787 
Pattern coverage: 0.000% (0 MiB out of 890 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 4.409 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.641
Then I find very few patterns in the guest's memory after 3 seconds 6.760 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.210
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 9.499
And I prepare Tails for memory erasure tests 0.538
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.054
Then I find very few patterns in the guest's memory 3.247 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.537
Then patterns cover at least 75% of the test FS size in the guest's memory 4.376 
Pattern coverage: 91.190% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.024
Then I find very few patterns in the guest's memory after 3 seconds 6.601 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 1.622
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 3.592 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 7.076 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.350
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.995
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 8.389
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.074
Then I find very few patterns in the guest's memory 2.655 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.799
Then patterns cover at least 99% of the test FS size in the guest's memory 3.072 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.921
Then I find very few patterns in the guest's memory after 3 seconds 6.175 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 7.051
And I read the content of the test FS 0.927
Then patterns cover at least 99% of the test FS size in the guest's memory 3.563 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory after 3 seconds 6.048 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.348
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.824
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 8.142
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the root filesystem 16.505
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.976
Then patterns cover at least 128 MiB in the guest's memory 3.006 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.764 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.479
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.597
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 6:58.582
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.277
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.282 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.011