Project Number Date
test_Tails_ISO_stable 5505 10 Mar 2025, 17:24

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 11:18.239 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
23.899
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 8.367
And I prepare Tails for memory erasure tests 0.567
When I start a process allocating 128 MiB of memory with a known pattern 2.367
Then patterns cover at least 128 MiB in the guest's memory 4.013 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.222
Then I find very few patterns in the guest's memory after 5 seconds 8.360 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.875
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 8.121
And I prepare Tails for memory erasure tests 0.634
And I find very few patterns in the guest's memory 3.197 
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 2.318
Then patterns cover at least 99% of the test FS size in the guest's memory 3.380 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.052
Then I find very few patterns in the guest's memory after 3 seconds 6.171 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.535
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 8.017
And I prepare Tails for memory erasure tests 0.646
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.031
Then I find very few patterns in the guest's memory 3.910 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.089
Then patterns cover at least 75% of the test FS size in the guest's memory 6.148 
Pattern coverage: 91.704% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.705
Then I find very few patterns in the guest's memory after 3 seconds 6.167 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.754
Then patterns cover at least 99% of the test FS size in the guest's memory 3.704 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 6.180 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.965
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.952
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 8.548
And I prepare Tails for memory erasure tests 0.577
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.664
Then I find very few patterns in the guest's memory 2.285 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.958
Then patterns cover at least 99% of the test FS size in the guest's memory 3.004 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 5.684 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 5.262
And I read the content of the test FS 0.556
Then patterns cover at least 99% of the test FS size in the guest's memory 2.899 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.825
Then I find very few patterns in the guest's memory after 3 seconds 5.654 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.327
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.207
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 8.096
And I prepare Tails for memory erasure tests 0.626
When I fill a 128 MiB file with a known pattern on the root filesystem 15.424
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.305
Then patterns cover at least 128 MiB in the guest's memory 2.617 
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 21.125 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.768
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 6:48.902
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.249
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.172 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.474
After features/support/hooks.rb:100 0.011