Project Number Date
test_Tails_ISO_stable 5049 27 Aug 2024, 08:54

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 12:6.834 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
25.773
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.571
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 2.460
Then patterns cover at least 128 MiB in the guest's memory 3.843 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.090
Then I find very few patterns in the guest's memory after 3 seconds 6.349 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 4.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.603
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.412
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 3.035 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.862
Then patterns cover at least 99% of the test FS size in the guest's memory 3.847 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.858
Then I find very few patterns in the guest's memory after 3 seconds 7.112 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 1.446
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.537
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.509
And I prepare Tails for memory erasure tests 0.509
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.237
Then I find very few patterns in the guest's memory 3.864 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.877
Then patterns cover at least 75% of the test FS size in the guest's memory 4.524 
Pattern coverage: 91.551% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.577
Then I find very few patterns in the guest's memory after 3 seconds 6.700 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.470
And I read the content of the test FS 1.294
Then patterns cover at least 99% of the test FS size in the guest's memory 5.182 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.978
Then I find very few patterns in the guest's memory after 3 seconds 6.810 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 1.239
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.563
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.452
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.025
Then I find very few patterns in the guest's memory 3.119 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.903
Then patterns cover at least 99% of the test FS size in the guest's memory 3.496 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.667
Then I find very few patterns in the guest's memory after 3 seconds 6.199 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 6.987
And I read the content of the test FS 0.678
Then patterns cover at least 99% of the test FS size in the guest's memory 3.657 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.949
Then I find very few patterns in the guest's memory after 3 seconds 5.995 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.010
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.898
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.538
And I prepare Tails for memory erasure tests 0.472
When I fill a 128 MiB file with a known pattern on the root filesystem 18.443
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.442
Then patterns cover at least 128 MiB in the guest's memory 3.244 
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 20.744 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:1.458
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:12.494
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.306
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.186 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.559
After features/support/hooks.rb:100 0.017