Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 22 12 Jun 2025, 09:13

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 10:37.044 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
22.467
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 7.695
And I prepare Tails for memory erasure tests 0.404
When I start a process allocating 128 MiB of memory with a known pattern 1.237
Then patterns cover at least 128 MiB in the guest's memory 3.141 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.818
Then I find very few patterns in the guest's memory after 5 seconds 9.170 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 0.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.212
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 7.732
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 2.832 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.737
Then patterns cover at least 99% of the test FS size in the guest's memory 3.820 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.604
Then I find very few patterns in the guest's memory after 3 seconds 6.069 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 0.689
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.009
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 7.990
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.993
Then I find very few patterns in the guest's memory 2.639 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.574
Then patterns cover at least 75% of the test FS size in the guest's memory 4.181 
Pattern coverage: 84.400% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.148
Then I find very few patterns in the guest's memory after 3 seconds 6.473 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.222
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 3.896 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 6.475 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.721
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.985
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 7.673
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.659
Then I find very few patterns in the guest's memory 2.617 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.775
Then patterns cover at least 99% of the test FS size in the guest's memory 2.846 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 6.187 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 4.566
And I read the content of the test FS 0.569
Then patterns cover at least 99% of the test FS size in the guest's memory 3.306 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 6.013 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 2.119
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.986
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 8.178
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the root filesystem 16.601
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.238
Then patterns cover at least 128 MiB in the guest's memory 2.827 
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 20.685 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:57.383
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 6:14.288
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.300
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.251 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.012