Project Number Date
test_Tails_ISO_devel 3796 29 Apr 2025, 22:19

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 12:6.638 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
24.525
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 8.238
And I prepare Tails for memory erasure tests 0.431
When I start a process allocating 128 MiB of memory with a known pattern 2.303
Then patterns cover at least 128 MiB in the guest's memory 3.933 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.086
Then I find very few patterns in the guest's memory after 5 seconds 8.532 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.878
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.236
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 10.031
And I prepare Tails for memory erasure tests 0.608
And I find very few patterns in the guest's memory 4.384 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.801
Then patterns cover at least 99% of the test FS size in the guest's memory 4.509 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.831
Then I find very few patterns in the guest's memory after 3 seconds 7.069 
Pattern coverage: 0.000% (0 MiB out of 898 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
52.157
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 9.502
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.051
Then I find very few patterns in the guest's memory 3.691 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.406
Then patterns cover at least 75% of the test FS size in the guest's memory 4.116 
Pattern coverage: 87.638% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.415
Then I find very few patterns in the guest's memory after 3 seconds 6.849 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.660
Then patterns cover at least 99% of the test FS size in the guest's memory 3.588 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 6.669 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.418
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.144
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 8.080
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.213
Then I find very few patterns in the guest's memory 2.767 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.752
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 5.732 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 3.822
And I read the content of the test FS 2.865
Then patterns cover at least 99% of the test FS size in the guest's memory 3.145 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 5.577 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.144
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.033
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 8.229
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 16.947
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.802
Then patterns cover at least 128 MiB in the guest's memory 2.892 
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 20.747 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:17.539
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 7:34.334
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.439
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.335 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.011