Project Number Date
test_Tails_ISO_devel 3698 17 Feb 2025, 17:34

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 12:6.644 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
23.869
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.403
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 2.303
Then patterns cover at least 128 MiB in the guest's memory 3.553 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.999
Then I find very few patterns in the guest's memory after 5 seconds 8.179 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 1.431
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.160
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.485
And I find very few patterns in the guest's memory 3.906 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.978
Then patterns cover at least 99% of the test FS size in the guest's memory 3.961 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.326
Then I find very few patterns in the guest's memory after 3 seconds 6.209 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 1.651
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.495
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.108
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.110
Then I find very few patterns in the guest's memory 2.906 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.943
Then patterns cover at least 75% of the test FS size in the guest's memory 3.660 
Pattern coverage: 87.283% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.568
Then I find very few patterns in the guest's memory after 3 seconds 6.079 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.926
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 3.293 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.428
Then I find very few patterns in the guest's memory after 3 seconds 6.382 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.060
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.332
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.947
Then I find very few patterns in the guest's memory 2.582 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.046
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.984
Then I find very few patterns in the guest's memory after 3 seconds 5.420 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 7.871
And I read the content of the test FS 0.909
Then patterns cover at least 99% of the test FS size in the guest's memory 3.098 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 5.615 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.059
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.931
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.907
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the root filesystem 22.089
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 18.278
Then patterns cover at least 128 MiB in the guest's memory 2.495 
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 20.748 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.125
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:11.339
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.043
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.276 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.011