Project Number Date
test_Tails_ISO_stable 5511 12 Mar 2025, 15:06

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 11:16.908 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
24.353
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 8.621
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 2.576
Then patterns cover at least 128 MiB in the guest's memory 3.881 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.301
Then I find very few patterns in the guest's memory after 5 seconds 8.546 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.747
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.111
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 7.983
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 3.408 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.981
Then patterns cover at least 99% of the test FS size in the guest's memory 3.699 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.830
Then I find very few patterns in the guest's memory after 3 seconds 6.794 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.905
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 8.229
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.046
Then I find very few patterns in the guest's memory 3.020 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.600
Then patterns cover at least 75% of the test FS size in the guest's memory 4.149 
Pattern coverage: 88.223% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 5.096
Then I find very few patterns in the guest's memory after 3 seconds 6.356 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.793
Then patterns cover at least 99% of the test FS size in the guest's memory 3.796 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.878
Then I find very few patterns in the guest's memory after 3 seconds 6.260 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.065
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.445
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 8.129
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.664
Then I find very few patterns in the guest's memory 2.760 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.014
Then patterns cover at least 99% of the test FS size in the guest's memory 3.279 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.958
Then I find very few patterns in the guest's memory after 3 seconds 5.805 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 4.845
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 3.262 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.074
Then I find very few patterns in the guest's memory after 3 seconds 5.770 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.634
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 8.748
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the root filesystem 16.939
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.546
Then patterns cover at least 128 MiB in the guest's memory 3.058 
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 20.930 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.458
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 6:41.941
And I prepare Tails for memory erasure tests 1.208
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.082
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.212 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.476
After features/support/hooks.rb:100 0.011