Project Number Date
test_Tails_ISO_tca-misc-improvements 20 27 Apr 2025, 18:03

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 11:3.635 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
25.350
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 8.563
And I prepare Tails for memory erasure tests 0.445
When I start a process allocating 128 MiB of memory with a known pattern 3.028
Then patterns cover at least 128 MiB in the guest's memory 3.964 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.703
Then I find very few patterns in the guest's memory after 5 seconds 8.645 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.723
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.832
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 8.512
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 4.328 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.213
Then patterns cover at least 99% of the test FS size in the guest's memory 4.109 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.558
Then I find very few patterns in the guest's memory after 3 seconds 6.641 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.732
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.367
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 7.943
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.157
Then I find very few patterns in the guest's memory 3.721 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.350
Then patterns cover at least 75% of the test FS size in the guest's memory 3.867 
Pattern coverage: 90.427% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.125
Then I find very few patterns in the guest's memory after 3 seconds 6.245 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
And I read the content of the test FS 0.585
Then patterns cover at least 99% of the test FS size in the guest's memory 3.491 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 6.728 
Pattern coverage: 0.001% (0 MiB out of 878 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
1:17.275
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 8.041
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.750
Then I find very few patterns in the guest's memory 3.226 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.072
Then patterns cover at least 99% of the test FS size in the guest's memory 3.737 
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 6.539 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 4.206
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 6.026 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.602
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.596
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 8.780
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 15.211
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.320
Then patterns cover at least 128 MiB in the guest's memory 2.931 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.896 
Pattern coverage: 0.000% (0 MiB out of 877 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
7:15.212
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:30.433
And I prepare Tails for memory erasure tests 0.563
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.508
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.692 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.468
After features/support/hooks.rb:100 0.011