Project Number Date
test_Tails_ISO_simplify-build-memory-requirements 1 13 May 2025, 16:09

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 12:31.489 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
27.464
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 9.575
And I prepare Tails for memory erasure tests 0.468
When I start a process allocating 128 MiB of memory with a known pattern 2.613
Then patterns cover at least 128 MiB in the guest's memory 4.206 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.545
Then I find very few patterns in the guest's memory after 5 seconds 10.053 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.235
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.247
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 9.713
And I prepare Tails for memory erasure tests 0.559
And I find very few patterns in the guest's memory 4.184 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.388
Then patterns cover at least 99% of the test FS size in the guest's memory 4.581 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.628
Then I find very few patterns in the guest's memory after 3 seconds 7.190 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.100
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.958
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 8.722
And I prepare Tails for memory erasure tests 0.611
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.289
Then I find very few patterns in the guest's memory 4.476 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.528
Then patterns cover at least 75% of the test FS size in the guest's memory 4.677 
Pattern coverage: 90.583% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.007
Then I find very few patterns in the guest's memory after 3 seconds 6.879 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 4.428 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 7.082 
Pattern coverage: 0.001% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.554
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 8.425
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.193
Then I find very few patterns in the guest's memory 3.543 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.055
Then patterns cover at least 99% of the test FS size in the guest's memory 3.984 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.037
Then I find very few patterns in the guest's memory after 3 seconds 6.201 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 4.274
And I read the content of the test FS 0.645
Then patterns cover at least 99% of the test FS size in the guest's memory 3.767 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 6.292 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.531
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.962
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 8.523
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the root filesystem 22.502
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.805
Then patterns cover at least 128 MiB in the guest's memory 3.523 
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 21.077 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.564
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:26.302
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 7:40.428
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.706
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.663 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.890
After features/support/hooks.rb:100 0.017