Project Number Date
test_Tails_ISO_stable 5347 19 Dec 2024, 12:58

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 11:34.980 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
24.342
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.515
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 1.244
Then patterns cover at least 128 MiB in the guest's memory 4.417 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.003
Then I find very few patterns in the guest's memory after 3 seconds 6.727 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.909
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.469
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.322
And I prepare Tails for memory erasure tests 0.578
And I find very few patterns in the guest's memory 3.929 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.531
Then patterns cover at least 99% of the test FS size in the guest's memory 3.859 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.520
Then I find very few patterns in the guest's memory after 3 seconds 6.728 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.439
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.335
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.236
Then I find very few patterns in the guest's memory 3.695 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.231
Then patterns cover at least 75% of the test FS size in the guest's memory 4.132 
Pattern coverage: 88.594% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.510
Then I find very few patterns in the guest's memory after 3 seconds 6.649 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 1.246
Then patterns cover at least 99% of the test FS size in the guest's memory 4.323 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.762
Then I find very few patterns in the guest's memory after 3 seconds 7.569 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.501
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.556
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.830
Then I find very few patterns in the guest's memory 4.395 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.219
Then patterns cover at least 99% of the test FS size in the guest's memory 8.341 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.353
Then I find very few patterns in the guest's memory after 3 seconds 7.533 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 5.788
And I read the content of the test FS 0.701
Then patterns cover at least 99% of the test FS size in the guest's memory 3.899 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.825
Then I find very few patterns in the guest's memory after 3 seconds 6.655 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.747
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.163
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the root filesystem 15.374
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.206
Then patterns cover at least 128 MiB in the guest's memory 2.814 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.778 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.480
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 6:43.850
And I prepare Tails for memory erasure tests 1.020
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.558
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.037 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.014