Project Number Date
test_Tails_ISO_tca-misc-improvements 17 24 Apr 2025, 19:40

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 12:45.694 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
24.975
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 8.473
And I prepare Tails for memory erasure tests 0.500
When I start a process allocating 128 MiB of memory with a known pattern 1.219
Then patterns cover at least 128 MiB in the guest's memory 4.675 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.754
Then I find very few patterns in the guest's memory after 5 seconds 9.350 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.298
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.104
And I prepare Tails for memory erasure tests 0.483
And I find very few patterns in the guest's memory 3.369 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.039
Then patterns cover at least 99% of the test FS size in the guest's memory 4.267 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.518
Then I find very few patterns in the guest's memory after 3 seconds 6.514 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.223
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 9.260
And I prepare Tails for memory erasure tests 0.446
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 4.567 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.010
Then patterns cover at least 75% of the test FS size in the guest's memory 4.174 
Pattern coverage: 91.144% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.122
Then I find very few patterns in the guest's memory after 3 seconds 6.701 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.222
And I read the content of the test FS 2.242
Then patterns cover at least 99% of the test FS size in the guest's memory 3.654 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 6.978 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.960
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:31.937
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 9.008
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 47.752
Then I find very few patterns in the guest's memory 3.329 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.773
Then patterns cover at least 99% of the test FS size in the guest's memory 3.685 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.684
Then I find very few patterns in the guest's memory after 3 seconds 6.799 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.596
And I read the content of the test FS 3.251
Then patterns cover at least 99% of the test FS size in the guest's memory 3.856 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 6.152 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.557
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.536
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 8.539
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the root filesystem 14.594
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.934
Then patterns cover at least 128 MiB in the guest's memory 3.041 
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 20.961 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 3.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:38.722
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 7:47.146
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.461
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.634 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.792
After features/support/hooks.rb:100 0.010