Project Number Date
test_Tails_ISO_stable 4687 29 Feb 2024, 15:02

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 10:1.432 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
17.577
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.230
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 1.180
Then patterns cover at least 128 MiB in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.388
Then I find very few patterns in the guest's memory 3.815 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:291 0.948
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
25.587
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.001
And I prepare Tails for memory erasure tests 0.399
And I find very few patterns in the guest's memory 4.403 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.985
Then patterns cover at least 99% of the test FS size in the guest's memory 4.058 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.401
Then I find very few patterns in the guest's memory 5.337 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
After features/support/hooks.rb:291 0.836
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
58.869
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.441
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.913
Then I find very few patterns in the guest's memory 6.134 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.426
Then patterns cover at least 86% of the test FS size in the guest's memory 9.872 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.752
Then I find very few patterns in the guest's memory 9.097 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.977
Then patterns cover at least 99% of the test FS size in the guest's memory 6.516 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory 4.617 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:291 1.452
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.321
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.214
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.820
Then I find very few patterns in the guest's memory 3.421 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.338 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.693
Then I find very few patterns in the guest's memory 4.089 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 3.794
And I read the content of the test FS 0.351
Then patterns cover at least 99% of the test FS size in the guest's memory 3.108 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.485
Then I find very few patterns in the guest's memory 3.078 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:291 0.792
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.762
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.820
And I prepare Tails for memory erasure tests 0.356
When I fill a 128 MiB file with a known pattern on the root filesystem 17.793
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.435
Then patterns cover at least 128 MiB in the guest's memory 2.577 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.747 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:291 3.545
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:27.314
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:41.758
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.971
When I trigger shutdown 0.010
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.111 
Pattern coverage: 0.000% (0 MiB out of 930 MiB reference memory)
After features/support/hooks.rb:291 3.491
After features/support/hooks.rb:75 0.012