Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 19 09 Jun 2025, 09:09

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 11:34.180 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
23.357
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 8.312
And I prepare Tails for memory erasure tests 0.608
When I start a process allocating 128 MiB of memory with a known pattern 1.543
Then patterns cover at least 128 MiB in the guest's memory 3.569 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.722
Then I find very few patterns in the guest's memory after 5 seconds 8.601 
Pattern coverage: 0.000% (0 MiB out of 881 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
27.085
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 8.175
And I prepare Tails for memory erasure tests 0.599
And I find very few patterns in the guest's memory 3.735 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.966
Then patterns cover at least 99% of the test FS size in the guest's memory 5.226 
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 6.689 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.185
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 7.962
And I prepare Tails for memory erasure tests 0.527
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.224
Then I find very few patterns in the guest's memory 2.833 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.296
Then patterns cover at least 75% of the test FS size in the guest's memory 4.194 
Pattern coverage: 88.058% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.708
Then I find very few patterns in the guest's memory after 3 seconds 6.365 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.499
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882 
Pattern coverage: 100.596% (128 MiB out of 127 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 5.871 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.270
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.892
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 7.959
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.665
Then I find very few patterns in the guest's memory 3.111 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.463 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.964 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.134
And I read the content of the test FS 2.683
Then patterns cover at least 99% of the test FS size in the guest's memory 3.486 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory after 3 seconds 6.035 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.006
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 8.171
And I prepare Tails for memory erasure tests 0.633
When I fill a 128 MiB file with a known pattern on the root filesystem 16.115
# 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 3.021 
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 20.877 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.652
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 7:4.335
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.418
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.397 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.559
After features/support/hooks.rb:100 0.014