Project Number Date
test_Tails_ISO_stable 5579 17 Apr 2025, 09:21

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 11:25.916 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
37.807
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 20.859
And I prepare Tails for memory erasure tests 0.566
When I start a process allocating 128 MiB of memory with a known pattern 2.413
Then patterns cover at least 128 MiB in the guest's memory 4.068 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.154
Then I find very few patterns in the guest's memory after 5 seconds 8.744 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.019
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.933
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 9.175
And I prepare Tails for memory erasure tests 0.623
And I find very few patterns in the guest's memory 4.127 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.202
Then patterns cover at least 99% of the test FS size in the guest's memory 4.153 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.752
Then I find very few patterns in the guest's memory after 3 seconds 6.899 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.818
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.427
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 8.828
And I prepare Tails for memory erasure tests 0.537
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.948
Then I find very few patterns in the guest's memory 3.740 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.513
Then patterns cover at least 75% of the test FS size in the guest's memory 4.363 
Pattern coverage: 93.893% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.606
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 1.745
Then patterns cover at least 99% of the test FS size in the guest's memory 4.136 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 6.587 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.948
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.230
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 8.002
And I prepare Tails for memory erasure tests 0.505
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.692
Then I find very few patterns in the guest's memory 2.690 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.545 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.763
Then I find very few patterns in the guest's memory after 3 seconds 5.999 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.220
And I read the content of the test FS 0.420
Then patterns cover at least 99% of the test FS size in the guest's memory 3.308 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 6.041 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.454
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.028
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 7.977
And I prepare Tails for memory erasure tests 0.566
When I fill a 128 MiB file with a known pattern on the root filesystem 16.322
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.045
Then patterns cover at least 128 MiB in the guest's memory 3.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.047
Then I find very few patterns in the guest's memory after 20 seconds 21.038 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.492
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.489
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 6:28.984
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.811
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.012