Project Number Date
test_Tails_ISO_stable 5335 14 Dec 2024, 12:33

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 11:55.922 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
27.801
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.386
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 2.339
Then patterns cover at least 128 MiB in the guest's memory 4.060 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 5.266
Then I find very few patterns in the guest's memory after 3 seconds 7.278 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.925
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.442
And I prepare Tails for memory erasure tests 0.590
And I find very few patterns in the guest's memory 3.589 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.168
Then patterns cover at least 99% of the test FS size in the guest's memory 3.755 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.786
Then I find very few patterns in the guest's memory after 3 seconds 6.592 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.507
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.636
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.080
Then I find very few patterns in the guest's memory 3.823 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.836
Then patterns cover at least 75% of the test FS size in the guest's memory 8.828 
Pattern coverage: 92.971% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.478
Then I find very few patterns in the guest's memory after 3 seconds 6.202 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.637
And I read the content of the test FS 0.853
Then patterns cover at least 99% of the test FS size in the guest's memory 3.400 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 6.633 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.814
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.090
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.139
Then I find very few patterns in the guest's memory 3.354 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.052
Then patterns cover at least 99% of the test FS size in the guest's memory 2.599 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.487
Then I find very few patterns in the guest's memory after 3 seconds 5.517 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 6.386
And I read the content of the test FS 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 2.770 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 11.846
Then I find very few patterns in the guest's memory after 3 seconds 5.517 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.476
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.262
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 14.628
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.924
Then patterns cover at least 128 MiB in the guest's memory 2.358 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.852 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.554
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.397
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 7:8.063
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.684
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.253 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.750
After features/support/hooks.rb:100 0.015