Project Number Date
test_Tails_ISO_stable 5166 10 Oct 2024, 08:46

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 11:39.882 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
19.846
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 1.373
Then patterns cover at least 128 MiB in the guest's memory 3.639 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.665
Then I find very few patterns in the guest's memory after 3 seconds 5.615 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.350
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.481
And I prepare Tails for memory erasure tests 0.551
And I find very few patterns in the guest's memory 2.956 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.437 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.555
Then I find very few patterns in the guest's memory after 3 seconds 5.876 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.234
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.862
And I prepare Tails for memory erasure tests 0.846
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.319
Then I find very few patterns in the guest's memory 3.753 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.382
Then patterns cover at least 75% of the test FS size in the guest's memory 4.451 
Pattern coverage: 87.225% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.224
Then I find very few patterns in the guest's memory after 3 seconds 6.652 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 1.804
And I read the content of the test FS 1.762
Then patterns cover at least 99% of the test FS size in the guest's memory 4.042 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 6.460 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.918
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.660
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.917
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.085
Then I find very few patterns in the guest's memory 3.926 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.133
Then patterns cover at least 99% of the test FS size in the guest's memory 2.836 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.070
Then I find very few patterns in the guest's memory after 3 seconds 5.700 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.924
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 2.822 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.800
Then I find very few patterns in the guest's memory after 3 seconds 5.582 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.142
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.663
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.901
And I prepare Tails for memory erasure tests 0.691
When I fill a 128 MiB file with a known pattern on the root filesystem 18.241
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.345
Then patterns cover at least 128 MiB in the guest's memory 2.611 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.857 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.127
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 7:3.276
And I prepare Tails for memory erasure tests 0.638
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.981
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.578
After features/support/hooks.rb:100 0.024