Project Number Date
test_Tails_ISO_stable 5272 16 Nov 2024, 15:59

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 10:47.779 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
22.873
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.608
And I prepare Tails for memory erasure tests 0.394
When I start a process allocating 128 MiB of memory with a known pattern 2.412
Then patterns cover at least 128 MiB in the guest's memory 4.009 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.392
Then I find very few patterns in the guest's memory after 3 seconds 6.055 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.277
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.911
And I prepare Tails for memory erasure tests 0.390
And I find very few patterns in the guest's memory 3.215 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.080
Then patterns cover at least 99% of the test FS size in the guest's memory 3.460 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.019
Then I find very few patterns in the guest's memory after 3 seconds 6.200 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.301
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.923
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.983
Then I find very few patterns in the guest's memory 2.860 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.652
Then patterns cover at least 75% of the test FS size in the guest's memory 3.673 
Pattern coverage: 89.145% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.406
Then I find very few patterns in the guest's memory after 3 seconds 5.947 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.389
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 3.765 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 6.062 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.052
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.925
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.537
Then I find very few patterns in the guest's memory 2.780 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.853
Then patterns cover at least 99% of the test FS size in the guest's memory 4.150 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 6.966 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 5.970
And I read the content of the test FS 0.411
Then patterns cover at least 99% of the test FS size in the guest's memory 4.679 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 5.751 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.770
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.907
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the root filesystem 17.143
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.777
Then patterns cover at least 128 MiB in the guest's memory 2.733 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.800 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.496
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:3.504
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 6:13.201
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.677
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.203 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.012