Project Number Date
test_Tails_ISO_stable 5436 01 Feb 2025, 08:36

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 11:23.432 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
26.454
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.253
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 5.130
Then patterns cover at least 128 MiB in the guest's memory 3.592 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.265
Then I find very few patterns in the guest's memory after 5 seconds 7.786 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.608
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.426
And I prepare Tails for memory erasure tests 0.713
And I find very few patterns in the guest's memory 2.878 
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 2.102
Then patterns cover at least 99% of the test FS size in the guest's memory 3.181 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.817
Then I find very few patterns in the guest's memory after 3 seconds 5.488 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.340
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.973
And I prepare Tails for memory erasure tests 0.638
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.077
Then I find very few patterns in the guest's memory 2.979 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.104
Then patterns cover at least 75% of the test FS size in the guest's memory 3.568 
Pattern coverage: 91.116% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.543
Then I find very few patterns in the guest's memory after 3 seconds 5.919 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.250
And I read the content of the test FS 0.556
Then patterns cover at least 99% of the test FS size in the guest's memory 3.216 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory after 3 seconds 5.746 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.005
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.250
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.180
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.069
Then I find very few patterns in the guest's memory 2.536 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.166
Then patterns cover at least 99% of the test FS size in the guest's memory 3.600 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.237
Then I find very few patterns in the guest's memory after 3 seconds 6.142 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 5.001
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 2.990 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 5.486 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.958
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 18.915
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.998
Then patterns cover at least 128 MiB in the guest's memory 2.535 
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 20.812 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.818
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 6:52.160
And I prepare Tails for memory erasure tests 0.375
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.080
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.187 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.899
After features/support/hooks.rb:100 0.019