Project Number Date
test_Tails_ISO_stable 5604 28 Apr 2025, 20:36

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 12:17.639 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
26.233
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 8.440
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 2.390
Then patterns cover at least 128 MiB in the guest's memory 5.001 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.150
Then I find very few patterns in the guest's memory after 5 seconds 8.754 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 1.027
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.545
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 8.301
And I prepare Tails for memory erasure tests 0.513
And I find very few patterns in the guest's memory 4.569 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.090
Then patterns cover at least 99% of the test FS size in the guest's memory 3.859 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.640
Then I find very few patterns in the guest's memory after 3 seconds 6.569 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.853
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.979
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 8.426
And I prepare Tails for memory erasure tests 0.551
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.035
Then I find very few patterns in the guest's memory 3.909 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.456
Then patterns cover at least 75% of the test FS size in the guest's memory 4.232 
Pattern coverage: 86.099% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.007
Then I find very few patterns in the guest's memory after 3 seconds 7.114 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# read cache
When I mount the USB drive again 0.297
And I read the content of the test FS 0.798
Then patterns cover at least 99% of the test FS size in the guest's memory 4.124 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 6.543 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
After features/support/hooks.rb:330 0.932
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.534
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 21.660
And I prepare Tails for memory erasure tests 0.537
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.267
Then I find very few patterns in the guest's memory 2.936 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.918
Then patterns cover at least 99% of the test FS size in the guest's memory 3.494 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.759
Then I find very few patterns in the guest's memory after 3 seconds 6.024 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 3.472
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 3.458 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 5.970 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.266
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 8.247
And I prepare Tails for memory erasure tests 0.572
When I fill a 128 MiB file with a known pattern on the root filesystem 18.560
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.987
Then patterns cover at least 128 MiB in the guest's memory 3.980 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.895 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.079
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 7:25.492
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.125
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.967 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.013