Project Number Date
test_Tails_ISO_devel 3810 13 May 2025, 23:26

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 12:2.488 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
25.234
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.510
And I prepare Tails for memory erasure tests 0.461
When I start a process allocating 128 MiB of memory with a known pattern 2.283
Then patterns cover at least 128 MiB in the guest's memory 4.171 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.004
Then I find very few patterns in the guest's memory after 5 seconds 8.802 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.891
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 8.496
And I prepare Tails for memory erasure tests 0.615
And I find very few patterns in the guest's memory 4.181 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.827
Then patterns cover at least 99% of the test FS size in the guest's memory 3.581 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.675
Then I find very few patterns in the guest's memory after 3 seconds 6.515 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.340
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 8.347
And I prepare Tails for memory erasure tests 0.720
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.450
Then I find very few patterns in the guest's memory 3.945 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.256
Then patterns cover at least 75% of the test FS size in the guest's memory 4.709 
Pattern coverage: 88.189% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.135
Then I find very few patterns in the guest's memory after 3 seconds 10.466 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.643
Then patterns cover at least 99% of the test FS size in the guest's memory 6.111 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 6.738 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.747
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.578
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.168
Then I find very few patterns in the guest's memory 2.830 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.768
Then patterns cover at least 99% of the test FS size in the guest's memory 3.433 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.844
Then I find very few patterns in the guest's memory after 3 seconds 6.161 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 4.580
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 3.535 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.554
Then I find very few patterns in the guest's memory after 3 seconds 6.322 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.642
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.244
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 8.947
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the root filesystem 17.332
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.450
Then patterns cover at least 128 MiB in the guest's memory 3.144 
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 20.874 
Pattern coverage: 0.000% (0 MiB out of 899 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
8:1.029
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:13.892
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.367
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.263 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.010