Project Number Date
test_Tails_ISO_stable 5015 11 Aug 2024, 12:24

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 11:28.917 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
23.007
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.001
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 2.369
Then patterns cover at least 128 MiB in the guest's memory 3.489 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.842
Then I find very few patterns in the guest's memory after 3 seconds 5.840 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.921
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.906
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.454
And I prepare Tails for memory erasure tests 0.442
And I find very few patterns in the guest's memory 2.937 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.504
Then patterns cover at least 99% of the test FS size in the guest's memory 3.759 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.077
Then I find very few patterns in the guest's memory after 3 seconds 6.730 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.734
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.938
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.307
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.211
Then I find very few patterns in the guest's memory 3.986 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.992
Then patterns cover at least 75% of the test FS size in the guest's memory 4.520 
Pattern coverage: 87.008% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.470
Then I find very few patterns in the guest's memory after 3 seconds 6.698 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.604
And I read the content of the test FS 1.644
Then patterns cover at least 99% of the test FS size in the guest's memory 3.926 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.390
Then I find very few patterns in the guest's memory after 3 seconds 6.712 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.215
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.446
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.418
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.233
Then I find very few patterns in the guest's memory 2.558 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.197
Then patterns cover at least 99% of the test FS size in the guest's memory 2.757 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.156
Then I find very few patterns in the guest's memory after 3 seconds 5.425 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 5.024
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.910 
Pattern coverage: 106.116% (97 MiB out of 91 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 6.196 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.652
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.273
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 17.630
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.643
Then patterns cover at least 128 MiB in the guest's memory 2.981 
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 20.690 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.966
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 6:49.488
And I prepare Tails for memory erasure tests 0.354
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.660
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.450 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.555
After features/support/hooks.rb:100 0.010