Project Number Date
test_Tails_ISO_stable 5048 27 Aug 2024, 08:48

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 11:43.833 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
23.683
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.365
And I prepare Tails for memory erasure tests 0.528
When I start a process allocating 128 MiB of memory with a known pattern 2.480
Then patterns cover at least 128 MiB in the guest's memory 3.526 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.750
Then I find very few patterns in the guest's memory after 3 seconds 6.032 
Pattern coverage: 0.000% (0 MiB out of 894 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
24.627
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.516
And I prepare Tails for memory erasure tests 0.501
And I find very few patterns in the guest's memory 3.063 
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 2.320
Then patterns cover at least 99% of the test FS size in the guest's memory 3.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.642
Then I find very few patterns in the guest's memory after 3 seconds 6.189 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.285
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.948
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.480
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.400
Then I find very few patterns in the guest's memory 2.882 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.729
Then patterns cover at least 75% of the test FS size in the guest's memory 6.071 
Pattern coverage: 88.688% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.451
Then I find very few patterns in the guest's memory after 3 seconds 6.706 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.279
And I read the content of the test FS 0.763
Then patterns cover at least 99% of the test FS size in the guest's memory 4.033 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.067
Then I find very few patterns in the guest's memory after 3 seconds 6.631 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.781
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.193
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.272
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.873
Then I find very few patterns in the guest's memory 2.953 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.929
Then patterns cover at least 99% of the test FS size in the guest's memory 3.232 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.642
Then I find very few patterns in the guest's memory after 3 seconds 5.396 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 7.776
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 3.885 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.116
Then I find very few patterns in the guest's memory after 3 seconds 6.148 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.686
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.881
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 15.262
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.824
Then patterns cover at least 128 MiB in the guest's memory 3.291 
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 20.981 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.579
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:52.693
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 7:10.848
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.161
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.250 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.013