Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 6 15 Nov 2024, 17:26

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 11:38.613 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
22.761
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.436
And I prepare Tails for memory erasure tests 0.534
When I start a process allocating 128 MiB of memory with a known pattern 1.364
Then patterns cover at least 128 MiB in the guest's memory 3.423 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.263
Then I find very few patterns in the guest's memory after 3 seconds 6.738 
Pattern coverage: 0.000% (0 MiB out of 856 MiB reference memory)
After features/support/hooks.rb:326 1.486
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.606
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.261
And I prepare Tails for memory erasure tests 0.631
And I find very few patterns in the guest's memory 4.318 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.820
Then patterns cover at least 99% of the test FS size in the guest's memory 3.975 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.897
Then I find very few patterns in the guest's memory after 3 seconds 5.702 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:326 0.842
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.753
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.319
And I prepare Tails for memory erasure tests 0.650
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.441
Then I find very few patterns in the guest's memory 3.610 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.124
Then patterns cover at least 75% of the test FS size in the guest's memory 3.972 
Pattern coverage: 86.604% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.634
Then I find very few patterns in the guest's memory after 3 seconds 6.755 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.779
Then patterns cover at least 99% of the test FS size in the guest's memory 4.636 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.838
Then I find very few patterns in the guest's memory after 3 seconds 6.734 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
After features/support/hooks.rb:326 0.997
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.314
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 9.818
And I prepare Tails for memory erasure tests 0.719
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.291
Then I find very few patterns in the guest's memory 2.419 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.788
Then patterns cover at least 99% of the test FS size in the guest's memory 2.722 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.207
Then I find very few patterns in the guest's memory after 3 seconds 6.388 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 6.438
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 3.414 
Pattern coverage: 106.116% (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 5.951 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:326 3.484
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.339
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.775
And I prepare Tails for memory erasure tests 0.505
When I fill a 128 MiB file with a known pattern on the root filesystem 16.824
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.646
Then patterns cover at least 128 MiB in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.998 
Pattern coverage: 0.000% (0 MiB out of 854 MiB reference memory)
After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.838
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 7:0.884
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.150
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.325 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.016