Project Number Date
test_Tails_ISO_devel 3772 09 Apr 2025, 14:16

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 12:22.912 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
26.236
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 8.695
And I prepare Tails for memory erasure tests 0.601
When I start a process allocating 128 MiB of memory with a known pattern 2.484
Then patterns cover at least 128 MiB in the guest's memory 4.539 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.735
Then I find very few patterns in the guest's memory after 5 seconds 9.180 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.353
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 8.560
And I prepare Tails for memory erasure tests 0.603
And I find very few patterns in the guest's memory 4.303 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.173
Then patterns cover at least 99% of the test FS size in the guest's memory 4.242 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.622
Then I find very few patterns in the guest's memory after 3 seconds 6.847 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.034
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 8.992
And I prepare Tails for memory erasure tests 0.606
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.350
Then I find very few patterns in the guest's memory 4.252 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.276
Then patterns cover at least 75% of the test FS size in the guest's memory 4.407 
Pattern coverage: 87.360% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.131
Then I find very few patterns in the guest's memory after 3 seconds 6.799 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 2.182
Then patterns cover at least 99% of the test FS size in the guest's memory 4.502 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 6.744 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.891
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.134
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 9.111
And I prepare Tails for memory erasure tests 0.651
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.143
Then I find very few patterns in the guest's memory 3.778 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.654
Then patterns cover at least 99% of the test FS size in the guest's memory 3.821 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.771
Then I find very few patterns in the guest's memory after 3 seconds 6.010 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.178
And I read the content of the test FS 1.669
Then patterns cover at least 99% of the test FS size in the guest's memory 3.762 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 6.049 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.406
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.850
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 8.580
And I prepare Tails for memory erasure tests 0.553
When I fill a 128 MiB file with a known pattern on the root filesystem 16.072
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.124
Then patterns cover at least 128 MiB in the guest's memory 3.567 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.937 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.554
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:22.303
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:38.128
And I prepare Tails for memory erasure tests 0.609
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.875
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.675 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.698
After features/support/hooks.rb:100 0.012