Project Number Date
test_Tails_ISO_tca-misc-improvements 11 18 Apr 2025, 18:30

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 11:20.240 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
22.887
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 8.146
And I prepare Tails for memory erasure tests 0.393
When I start a process allocating 128 MiB of memory with a known pattern 1.208
Then patterns cover at least 128 MiB in the guest's memory 4.108 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.809
Then I find very few patterns in the guest's memory after 5 seconds 8.221 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.805
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 7.978
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 2.788 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.947 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.438
Then I find very few patterns in the guest's memory after 3 seconds 6.599 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.416
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 8.267
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.050
Then I find very few patterns in the guest's memory 4.103 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.831
Then patterns cover at least 75% of the test FS size in the guest's memory 4.216 
Pattern coverage: 86.928% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.895
Then I find very few patterns in the guest's memory after 3 seconds 6.685 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.856
Then patterns cover at least 99% of the test FS size in the guest's memory 3.936 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 6.589 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.237
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 8.591
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.262
Then I find very few patterns in the guest's memory 3.012 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.491
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 6.043 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 4.587
And I read the content of the test FS 0.528
Then patterns cover at least 99% of the test FS size in the guest's memory 3.525 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 5.894 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.952
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 9.114
And I prepare Tails for memory erasure tests 0.381
When I fill a 128 MiB file with a known pattern on the root filesystem 15.685
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.536
Then patterns cover at least 128 MiB in the guest's memory 2.518 
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 20.702 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.941
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 6:46.697
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.458
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.333 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.513
After features/support/hooks.rb:100 0.011