Project Number Date
test_Tails_ISO_stable 5572 14 Apr 2025, 13:46

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 11:28.797 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
25.520
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 8.178
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 2.518
Then patterns cover at least 128 MiB in the guest's memory 4.095 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.594
Then I find very few patterns in the guest's memory after 5 seconds 8.678 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.818
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.334
And I prepare Tails for memory erasure tests 0.434
And I find very few patterns in the guest's memory 3.737 
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 2.045
Then patterns cover at least 99% of the test FS size in the guest's memory 4.349 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.784
Then I find very few patterns in the guest's memory after 3 seconds 7.131 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.950
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 8.464
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.543
Then I find very few patterns in the guest's memory 3.694 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.395
Then patterns cover at least 75% of the test FS size in the guest's memory 4.036 
Pattern coverage: 87.562% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory after 3 seconds 6.689 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.207
And I read the content of the test FS 0.601
Then patterns cover at least 99% of the test FS size in the guest's memory 4.006 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 6.504 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 2.246
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.119
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 8.194
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.021
Then I find very few patterns in the guest's memory 3.203 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.333
Then patterns cover at least 99% of the test FS size in the guest's memory 3.194 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 6.648 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 3.949
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 3.358 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.701
Then I find very few patterns in the guest's memory after 3 seconds 5.835 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.466
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.885
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 8.157
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 18.154
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.202
Then patterns cover at least 128 MiB in the guest's memory 3.029 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.888 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.503
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 6:53.245
And I prepare Tails for memory erasure tests 0.601
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.368
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.275 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.491
After features/support/hooks.rb:100 0.011