Project Number Date
test_Tails_ISO_stable 5307 01 Dec 2024, 12:35

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 10:56.015 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
30.622
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.817
And I prepare Tails for memory erasure tests 0.544
When I start a process allocating 128 MiB of memory with a known pattern 2.364
Then patterns cover at least 128 MiB in the guest's memory 7.203 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.079
Then I find very few patterns in the guest's memory after 3 seconds 10.612 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.096
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.757
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.539
And I prepare Tails for memory erasure tests 0.588
And I find very few patterns in the guest's memory 3.600 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.836
Then patterns cover at least 99% of the test FS size in the guest's memory 4.066 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.549
Then I find very few patterns in the guest's memory after 3 seconds 6.577 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.857
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.201
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.564
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.041
Then I find very few patterns in the guest's memory 3.185 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.715
Then patterns cover at least 75% of the test FS size in the guest's memory 4.840 
Pattern coverage: 89.371% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.477
Then I find very few patterns in the guest's memory after 3 seconds 6.592 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.222
And I read the content of the test FS 0.861
Then patterns cover at least 99% of the test FS size in the guest's memory 4.244 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.389
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:23.212
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 20.942
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.773
Then I find very few patterns in the guest's memory 2.550 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.067
Then patterns cover at least 99% of the test FS size in the guest's memory 2.774 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.927
Then I find very few patterns in the guest's memory after 3 seconds 5.419 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 4.769
And I read the content of the test FS 0.611
Then patterns cover at least 99% of the test FS size in the guest's memory 3.075 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.889
Then I find very few patterns in the guest's memory after 3 seconds 5.909 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.094
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.185
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 13.630
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.591
Then patterns cover at least 128 MiB in the guest's memory 2.346 
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 20.805 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:58.126
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:12.248
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.190
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.194 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.445
After features/support/hooks.rb:100 0.011