Project Number Date
test_Tails_ISO_stable 5674 25 May 2025, 09:00

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 12:2.516 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
28.851
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 9.368
And I prepare Tails for memory erasure tests 0.678
When I start a process allocating 128 MiB of memory with a known pattern 3.543
Then patterns cover at least 128 MiB in the guest's memory 5.335 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.269
Then I find very few patterns in the guest's memory after 5 seconds 9.656 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.379
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.612
And I prepare Tails for memory erasure tests 0.399
And I find very few patterns in the guest's memory 3.743 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.682
Then patterns cover at least 99% of the test FS size in the guest's memory 4.488 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.896
Then I find very few patterns in the guest's memory after 3 seconds 7.556 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.896
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.198
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 8.642
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.293
Then I find very few patterns in the guest's memory 3.978 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.878
Then patterns cover at least 75% of the test FS size in the guest's memory 3.837 
Pattern coverage: 91.995% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.240
Then I find very few patterns in the guest's memory after 3 seconds 6.878 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
# read cache
When I mount the USB drive again 0.275
And I read the content of the test FS 0.864
Then patterns cover at least 99% of the test FS size in the guest's memory 4.160 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.791
Then I find very few patterns in the guest's memory after 3 seconds 6.897 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:32.297
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 8.725
And I prepare Tails for memory erasure tests 0.642
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.466
Then I find very few patterns in the guest's memory 3.251 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.947
Then patterns cover at least 99% of the test FS size in the guest's memory 3.576 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.307
Then I find very few patterns in the guest's memory after 3 seconds 6.145 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 9.273
And I read the content of the test FS 0.768
Then patterns cover at least 99% of the test FS size in the guest's memory 3.556 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 8.122 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.525
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 11.149
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 15.595
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.219
Then patterns cover at least 128 MiB in the guest's memory 3.154 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.933 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:47.262
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 7:0.245
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.198
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.362 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.556
After features/support/hooks.rb:100 0.011