Project Number Date
test_Tails_ISO_stable 5493 04 Mar 2025, 19:02

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 11:5.574 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
26.562
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 8.602
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 3.613
Then patterns cover at least 128 MiB in the guest's memory 4.104 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.830
Then I find very few patterns in the guest's memory after 5 seconds 7.986 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.704
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.579
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 8.020
And I prepare Tails for memory erasure tests 0.442
And I find very few patterns in the guest's memory 3.270 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.469
Then patterns cover at least 99% of the test FS size in the guest's memory 3.843 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.338
Then I find very few patterns in the guest's memory after 3 seconds 6.194 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.774
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.254
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 8.007
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.032
Then I find very few patterns in the guest's memory 3.080 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.876
Then patterns cover at least 75% of the test FS size in the guest's memory 3.687 
Pattern coverage: 91.254% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.551
Then I find very few patterns in the guest's memory after 3 seconds 6.219 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.829
Then patterns cover at least 99% of the test FS size in the guest's memory 3.709 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 6.628 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 1.337
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.041
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 8.800
And I prepare Tails for memory erasure tests 0.517
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.160
Then I find very few patterns in the guest's memory 3.027 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.221
Then patterns cover at least 99% of the test FS size in the guest's memory 2.842 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.225
Then I find very few patterns in the guest's memory after 3 seconds 5.892 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# read cache
When I mount the USB drive again 6.984
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 3.112 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.915
Then I find very few patterns in the guest's memory after 3 seconds 5.803 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:330 2.401
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.004
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 8.160
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 17.969
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.785
Then patterns cover at least 128 MiB in the guest's memory 2.810 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.812 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.132
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 6:26.034
And I prepare Tails for memory erasure tests 0.865
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.041
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.178 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.602
After features/support/hooks.rb:100 0.013