Project Number Date
test_Tails_ISO_stable 5245 03 Nov 2024, 12:38

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 12:6.331 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
24.381
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.434
And I prepare Tails for memory erasure tests 0.549
When I start a process allocating 128 MiB of memory with a known pattern 2.362
Then patterns cover at least 128 MiB in the guest's memory 4.139 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.757
Then I find very few patterns in the guest's memory after 3 seconds 6.138 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.287
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.429
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.918
And I prepare Tails for memory erasure tests 0.494
And I find very few patterns in the guest's memory 3.992 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.031
Then patterns cover at least 99% of the test FS size in the guest's memory 4.346 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.749
Then I find very few patterns in the guest's memory after 3 seconds 6.896 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.092
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.044
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.366
And I prepare Tails for memory erasure tests 0.544
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.353
Then I find very few patterns in the guest's memory 4.076 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.944
Then patterns cover at least 75% of the test FS size in the guest's memory 4.412 
Pattern coverage: 88.976% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.032
Then I find very few patterns in the guest's memory after 3 seconds 6.672 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.321
And I read the content of the test FS 0.674
Then patterns cover at least 99% of the test FS size in the guest's memory 4.301 
Pattern coverage: 100.596% (128 MiB out of 127 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 6.631 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 2.104
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.295
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.119
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.119
Then I find very few patterns in the guest's memory 2.879 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.980
Then patterns cover at least 99% of the test FS size in the guest's memory 3.050 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.493
Then I find very few patterns in the guest's memory after 3 seconds 5.863 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 6.466
And I read the content of the test FS 0.807
Then patterns cover at least 99% of the test FS size in the guest's memory 3.909 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.465
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.975
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.275
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.708
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 16.647
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.013
Then patterns cover at least 128 MiB in the guest's memory 3.408 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.993 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:5.904
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 7:22.277
And I prepare Tails for memory erasure tests 0.644
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.638
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.325 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.597
After features/support/hooks.rb:100 0.017