Project Number Date
test_Tails_ISO_stable 5316 06 Dec 2024, 09:01

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 11:10.215 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
25.171
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.278
And I prepare Tails for memory erasure tests 0.520
When I start a process allocating 128 MiB of memory with a known pattern 1.221
Then patterns cover at least 128 MiB in the guest's memory 3.811 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.446
Then I find very few patterns in the guest's memory after 3 seconds 5.892 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.050
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.914
And I prepare Tails for memory erasure tests 0.509
And I find very few patterns in the guest's memory 3.825 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.044
Then patterns cover at least 99% of the test FS size in the guest's memory 3.528 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.234
Then I find very few patterns in the guest's memory after 3 seconds 5.993 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.455
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.966
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.349
And I prepare Tails for memory erasure tests 0.712
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.163
Then I find very few patterns in the guest's memory 3.030 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.274
Then patterns cover at least 75% of the test FS size in the guest's memory 3.465 
Pattern coverage: 88.113% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.420
Then I find very few patterns in the guest's memory after 3 seconds 6.616 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.733
And I read the content of the test FS 0.993
Then patterns cover at least 99% of the test FS size in the guest's memory 3.877 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 6.603 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.981
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.106
And I prepare Tails for memory erasure tests 0.571
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.272
Then I find very few patterns in the guest's memory 2.519 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.856
Then patterns cover at least 99% of the test FS size in the guest's memory 3.404 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.819
Then I find very few patterns in the guest's memory after 3 seconds 6.174 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 5.395
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 3.317 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 5.961 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.067
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.229
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.605
And I prepare Tails for memory erasure tests 0.658
When I fill a 128 MiB file with a known pattern on the root filesystem 16.169
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.518
Then patterns cover at least 128 MiB in the guest's memory 3.530 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.730 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.274
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 6:36.263
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.317
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.290 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.012