Project Number Date
test_Tails_ISO_devel 3749 22 Mar 2025, 13:02

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 11:27.382 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
23.546
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 8.308
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 2.383
Then patterns cover at least 128 MiB in the guest's memory 3.529 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.898
Then I find very few patterns in the guest's memory after 5 seconds 7.989 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.695
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.188
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 8.090
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 3.102 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.838
Then patterns cover at least 99% of the test FS size in the guest's memory 4.036 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.692
Then I find very few patterns in the guest's memory after 3 seconds 7.039 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.822
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 8.102
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.202
Then I find very few patterns in the guest's memory 3.928 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.904
Then patterns cover at least 75% of the test FS size in the guest's memory 4.725 
Pattern coverage: 86.478% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.022
Then I find very few patterns in the guest's memory after 3 seconds 6.573 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.317
And I read the content of the test FS 1.014
Then patterns cover at least 99% of the test FS size in the guest's memory 3.966 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.948
Then I find very few patterns in the guest's memory after 3 seconds 6.659 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.961
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 8.246
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.679
Then I find very few patterns in the guest's memory 3.150 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.568
Then patterns cover at least 99% of the test FS size in the guest's memory 2.513 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 5.428 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.174
And I read the content of the test FS 0.488
Then patterns cover at least 99% of the test FS size in the guest's memory 3.130 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 5.996 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.449
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.255
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 8.078
And I prepare Tails for memory erasure tests 0.543
When I fill a 128 MiB file with a known pattern on the root filesystem 14.178
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.286
Then patterns cover at least 128 MiB in the guest's memory 3.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.800 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.608
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 7:2.029
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.991
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.142 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.011