Project Number Date
test_Tails_ISO_devel 3794 29 Apr 2025, 15:45

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 11:4.916 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
25.847
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 8.985
And I prepare Tails for memory erasure tests 0.616
When I start a process allocating 128 MiB of memory with a known pattern 1.236
Then patterns cover at least 128 MiB in the guest's memory 4.586 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.703
Then I find very few patterns in the guest's memory after 5 seconds 9.719 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.667
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.137
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 8.229
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 4.095 
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 1.825
Then patterns cover at least 99% of the test FS size in the guest's memory 3.448 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.533
Then I find very few patterns in the guest's memory after 3 seconds 6.590 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.645
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.857
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 8.571
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.987
Then I find very few patterns in the guest's memory 3.253 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.393
Then patterns cover at least 75% of the test FS size in the guest's memory 4.578 
Pattern coverage: 86.594% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 6.619 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
And I read the content of the test FS 0.602
Then patterns cover at least 99% of the test FS size in the guest's memory 3.756 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 6.873 
Pattern coverage: 0.001% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.541
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 8.213
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.359
Then I find very few patterns in the guest's memory 2.878 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.825
Then patterns cover at least 99% of the test FS size in the guest's memory 3.633 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.969
Then I find very few patterns in the guest's memory after 3 seconds 6.480 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.589
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 4.279 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 5.821 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.552
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.318
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 8.420
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 17.137
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.173
Then patterns cover at least 128 MiB in the guest's memory 3.265 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.885 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.214
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 6:32.850
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.612
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.314 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.020