Project Number Date
test_Tails_ISO_stable 5668 21 May 2025, 21:10

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 11:44.489 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
23.280
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 7.937
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 2.361
Then patterns cover at least 128 MiB in the guest's memory 3.513 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.023
Then I find very few patterns in the guest's memory after 5 seconds 8.019 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.677
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.908
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 8.209
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 3.256 
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 2.240
Then patterns cover at least 99% of the test FS size in the guest's memory 3.615 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.547
Then I find very few patterns in the guest's memory after 3 seconds 6.633 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.283
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 8.306
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.255
Then I find very few patterns in the guest's memory 4.223 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.645
Then patterns cover at least 75% of the test FS size in the guest's memory 8.815 
Pattern coverage: 87.715% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.981
Then I find very few patterns in the guest's memory after 3 seconds 9.707 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.203
And I read the content of the test FS 0.657
Then patterns cover at least 99% of the test FS size in the guest's memory 4.624 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory after 3 seconds 6.937 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.086
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 8.205
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.314
Then I find very few patterns in the guest's memory 3.562 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.665
Then patterns cover at least 99% of the test FS size in the guest's memory 3.166 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 6.276 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 4.103
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 3.122 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.432 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.947
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.977
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 8.030
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 16.514
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.954
Then patterns cover at least 128 MiB in the guest's memory 2.618 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.442 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.951
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 7:10.241
And I prepare Tails for memory erasure tests 1.230
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.252
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.215 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.012