Project Number Date
test_Tails_ISO_devel 3822 19 May 2025, 18:00

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 12:6.418 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
25.001
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 9.663
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 1.215
Then patterns cover at least 128 MiB in the guest's memory 4.261 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.454
Then I find very few patterns in the guest's memory after 5 seconds 8.850 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 1.204
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.456
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.116
And I prepare Tails for memory erasure tests 0.525
And I find very few patterns in the guest's memory 3.897 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.723
Then patterns cover at least 99% of the test FS size in the guest's memory 5.010 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.706
Then I find very few patterns in the guest's memory after 3 seconds 6.476 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 1.358
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.292
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 8.906
And I prepare Tails for memory erasure tests 0.615
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.229
Then I find very few patterns in the guest's memory 4.069 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.544
Then patterns cover at least 75% of the test FS size in the guest's memory 3.839 
Pattern coverage: 86.215% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.545
Then I find very few patterns in the guest's memory after 3 seconds 7.604 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 0.470
And I read the content of the test FS 1.130
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 0.488
Then I find very few patterns in the guest's memory after 3 seconds 6.966 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.249
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.366
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.107
And I prepare Tails for memory erasure tests 0.532
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.597
Then I find very few patterns in the guest's memory 3.259 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.798
Then patterns cover at least 99% of the test FS size in the guest's memory 4.080 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.824
Then I find very few patterns in the guest's memory after 3 seconds 6.262 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 4.432
And I read the content of the test FS 0.951
Then patterns cover at least 99% of the test FS size in the guest's memory 3.839 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.616
Then I find very few patterns in the guest's memory after 3 seconds 6.062 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 1.755
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.198
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 8.422
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 16.078
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.860
Then patterns cover at least 128 MiB in the guest's memory 4.444 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.913 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:4.104
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:17.161
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.994
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.418 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.502
After features/support/hooks.rb:100 0.044