Project Number Date
test_Tails_ISO_stable 5492 04 Mar 2025, 15:39

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 11:3.914 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
25.064
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 8.019
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 1.278
Then patterns cover at least 128 MiB in the guest's memory 5.392 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.574
Then I find very few patterns in the guest's memory after 5 seconds 8.380 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.327
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 7.994
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 3.532 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.879
Then patterns cover at least 99% of the test FS size in the guest's memory 4.453 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.529
Then I find very few patterns in the guest's memory after 3 seconds 6.535 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.838
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.601
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 8.072
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.024
Then I find very few patterns in the guest's memory 3.397 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.169
Then patterns cover at least 75% of the test FS size in the guest's memory 4.008 
Pattern coverage: 89.371% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.366
Then I find very few patterns in the guest's memory after 3 seconds 6.909 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.259
And I read the content of the test FS 0.619
Then patterns cover at least 99% of the test FS size in the guest's memory 3.471 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 6.224 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.059
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.164
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.183
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.529
Then I find very few patterns in the guest's memory 2.674 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.844
Then patterns cover at least 99% of the test FS size in the guest's memory 3.053 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.824
Then I find very few patterns in the guest's memory after 3 seconds 5.602 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 5.115
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 3.195 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.681 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 2.135
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
53.465
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 19.800
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.751
Then patterns cover at least 128 MiB in the guest's memory 2.609 
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 20.834 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.291
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 6:29.519
And I prepare Tails for memory erasure tests 1.201
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.299
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.258 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.547
After features/support/hooks.rb:100 0.010