Project Number Date
test_Tails_ISO_devel 3661 25 Jan 2025, 17:36

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 11:17.661 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
24.168
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.364
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.480
Then patterns cover at least 128 MiB in the guest's memory 4.627 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.329
Then I find very few patterns in the guest's memory after 5 seconds 7.934 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.423
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.712
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.275
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 3.096 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.397
Then patterns cover at least 99% of the test FS size in the guest's memory 3.725 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.403
Then I find very few patterns in the guest's memory after 3 seconds 6.426 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 0.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.998
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.957
Then I find very few patterns in the guest's memory 3.624 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.676
Then patterns cover at least 75% of the test FS size in the guest's memory 4.203 
Pattern coverage: 90.440% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.733
Then I find very few patterns in the guest's memory after 3 seconds 6.576 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# read cache
When I mount the USB drive again 0.370
And I read the content of the test FS 0.724
Then patterns cover at least 99% of the test FS size in the guest's memory 3.176 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 6.455 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 0.901
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.961
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.209
Then I find very few patterns in the guest's memory 3.075 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.758
Then patterns cover at least 99% of the test FS size in the guest's memory 2.569 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.989
Then I find very few patterns in the guest's memory after 3 seconds 5.580 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 6.370
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 2.636 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.111 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.934
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.965
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.332
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the root filesystem 16.152
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.006
Then patterns cover at least 128 MiB in the guest's memory 5.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.952 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.855
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 6:44.066
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.077
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.160 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.012