Project Number Date
test_Tails_ISO_devel 3603 05 Dec 2024, 12:39

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 11:40.409 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
23.782
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.798
When I start a process allocating 128 MiB of memory with a known pattern 3.721
Then patterns cover at least 128 MiB in the guest's memory 4.172 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.236
Then I find very few patterns in the guest's memory after 3 seconds 6.632 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.441
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.301
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.560
And I prepare Tails for memory erasure tests 0.485
And I find very few patterns in the guest's memory 3.984 
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 4.597
Then patterns cover at least 99% of the test FS size in the guest's memory 4.195 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.713
Then I find very few patterns in the guest's memory after 3 seconds 6.765 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.889
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.538
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.929
Then I find very few patterns in the guest's memory 3.851 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.794
Then patterns cover at least 75% of the test FS size in the guest's memory 4.096 
Pattern coverage: 87.703% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.556
Then I find very few patterns in the guest's memory after 3 seconds 6.531 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.377
And I read the content of the test FS 0.576
Then patterns cover at least 99% of the test FS size in the guest's memory 4.696 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.909
Then I find very few patterns in the guest's memory after 3 seconds 5.831 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.905
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.732
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.279
And I prepare Tails for memory erasure tests 0.496
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.778
Then I find very few patterns in the guest's memory 2.678 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.599
Then patterns cover at least 99% of the test FS size in the guest's memory 3.874 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.554
Then I find very few patterns in the guest's memory after 3 seconds 6.167 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 5.166
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.586 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.796
Then I find very few patterns in the guest's memory after 3 seconds 6.285 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.155
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.598
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.202
And I prepare Tails for memory erasure tests 0.507
When I fill a 128 MiB file with a known pattern on the root filesystem 13.957
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.963
Then patterns cover at least 128 MiB in the guest's memory 3.133 
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 20.819 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.104
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 6:51.607
And I prepare Tails for memory erasure tests 0.923
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.355
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.206 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.013