Project Number Date
test_Tails_ISO_stable 5153 07 Oct 2024, 18:20

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 12:55.470 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
26.268
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.652
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 4.169
Then patterns cover at least 128 MiB in the guest's memory 4.479 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.676
Then I find very few patterns in the guest's memory after 3 seconds 7.832 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.961
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.655
And I prepare Tails for memory erasure tests 0.475
And I find very few patterns in the guest's memory 4.764 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.391
Then patterns cover at least 99% of the test FS size in the guest's memory 4.518 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.021
Then I find very few patterns in the guest's memory after 3 seconds 11.134 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.014
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.462
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.829
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.615
Then I find very few patterns in the guest's memory 9.752 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.780
Then patterns cover at least 75% of the test FS size in the guest's memory 10.945 
Pattern coverage: 85.676% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.525
Then I find very few patterns in the guest's memory after 3 seconds 12.213 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.250
And I read the content of the test FS 0.681
Then patterns cover at least 99% of the test FS size in the guest's memory 10.813 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.844
Then I find very few patterns in the guest's memory after 3 seconds 11.776 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.331
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.879
And I prepare Tails for memory erasure tests 0.472
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.716
Then I find very few patterns in the guest's memory 6.883 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.221
Then patterns cover at least 99% of the test FS size in the guest's memory 6.445 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.004
Then I find very few patterns in the guest's memory after 3 seconds 6.244 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 6.046
And I read the content of the test FS 1.726
Then patterns cover at least 99% of the test FS size in the guest's memory 3.577 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.197
Then I find very few patterns in the guest's memory after 3 seconds 6.280 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.338
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.149
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.603
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 17.063
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.891
Then patterns cover at least 128 MiB in the guest's memory 3.259 
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 20.894 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.472
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:7.931
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:24.950
And I prepare Tails for memory erasure tests 0.577
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.910
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.479 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.028