Project Number Date
test_Tails_ISO_stable 5053 28 Aug 2024, 08:50

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 11:54.744 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
23.659
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.144
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 2.344
Then patterns cover at least 128 MiB in the guest's memory 3.726 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.058
Then I find very few patterns in the guest's memory after 3 seconds 5.957 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 2.609
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.035
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.424
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 2.888 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.285
Then patterns cover at least 99% of the test FS size in the guest's memory 3.289 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.881
Then I find very few patterns in the guest's memory after 3 seconds 5.797 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 2.155
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.419
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.479
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.345
Then I find very few patterns in the guest's memory 3.147 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.323
Then patterns cover at least 75% of the test FS size in the guest's memory 4.189 
Pattern coverage: 86.766% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.612
Then I find very few patterns in the guest's memory after 3 seconds 6.533 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.375
And I read the content of the test FS 0.728
Then patterns cover at least 99% of the test FS size in the guest's memory 4.069 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.637
Then I find very few patterns in the guest's memory after 3 seconds 6.508 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.365
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.450
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.643
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.450
Then I find very few patterns in the guest's memory 2.787 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.467
Then patterns cover at least 99% of the test FS size in the guest's memory 3.177 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.036
Then I find very few patterns in the guest's memory after 3 seconds 5.477 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 8.540
And I read the content of the test FS 0.824
Then patterns cover at least 99% of the test FS size in the guest's memory 2.890 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 5.979 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.017
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.356
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.399
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 18.068
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.370
Then patterns cover at least 128 MiB in the guest's memory 3.198 
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 20.874 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.823
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 7:12.259
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.740
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.335 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.601
After features/support/hooks.rb:100 0.012