Project Number Date
test_Tails_ISO_stable 5475 21 Feb 2025, 12:44

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 11:15.258 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
24.361
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.402
When I start a process allocating 128 MiB of memory with a known pattern 2.295
Then patterns cover at least 128 MiB in the guest's memory 3.549 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.918
Then I find very few patterns in the guest's memory after 5 seconds 7.936 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.617
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.189
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.978
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 4.183 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.020
Then patterns cover at least 99% of the test FS size in the guest's memory 5.610 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.252
Then I find very few patterns in the guest's memory after 3 seconds 7.727 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.059
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.100
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.416
Then I find very few patterns in the guest's memory 3.256 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.680
Then patterns cover at least 75% of the test FS size in the guest's memory 3.256 
Pattern coverage: 89.977% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.842
Then I find very few patterns in the guest's memory after 3 seconds 5.966 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.362
And I read the content of the test FS 0.690
Then patterns cover at least 99% of the test FS size in the guest's memory 5.827 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.808
Then I find very few patterns in the guest's memory after 3 seconds 6.380 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 4.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.622
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.118
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.942
Then I find very few patterns in the guest's memory 2.856 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.899
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.089
Then I find very few patterns in the guest's memory after 3 seconds 5.422 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 7.293
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 3.469 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.832
Then I find very few patterns in the guest's memory after 3 seconds 6.046 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.958
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.320
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.112
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 15.555
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.287
Then patterns cover at least 128 MiB in the guest's memory 3.004 
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 20.885 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.704
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 6:33.758
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.194
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.567
After features/support/hooks.rb:100 0.011