Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 65 24 Dec 2024, 20:58

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 11:26.863 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
26.558
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.915
And I prepare Tails for memory erasure tests 0.411
When I start a process allocating 128 MiB of memory with a known pattern 2.527
Then patterns cover at least 128 MiB in the guest's memory 4.455 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.940
Then I find very few patterns in the guest's memory after 3 seconds 7.308 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.377
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.456
And I prepare Tails for memory erasure tests 0.435
And I find very few patterns in the guest's memory 3.261 
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 2.303
Then patterns cover at least 99% of the test FS size in the guest's memory 4.063 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.187
Then I find very few patterns in the guest's memory after 3 seconds 6.668 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.659
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.129
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.450
Then I find very few patterns in the guest's memory 4.175 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.924
Then patterns cover at least 75% of the test FS size in the guest's memory 4.181 
Pattern coverage: 89.503% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.632
Then I find very few patterns in the guest's memory after 3 seconds 6.748 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 3.469
Then patterns cover at least 99% of the test FS size in the guest's memory 4.113 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.927
Then I find very few patterns in the guest's memory after 3 seconds 7.183 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.946
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.726
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.593
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.763
Then I find very few patterns in the guest's memory 3.258 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.292
Then patterns cover at least 99% of the test FS size in the guest's memory 3.708 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.404
Then I find very few patterns in the guest's memory after 3 seconds 6.011 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 6.642
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.043
Then I find very few patterns in the guest's memory after 3 seconds 6.558 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 2.421
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.710
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.699
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the root filesystem 18.710
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.883
Then patterns cover at least 128 MiB in the guest's memory 3.068 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.894 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.613
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.829
Before features/support/hooks.rb:269 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:37.435
And I prepare Tails for memory erasure tests 0.561
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.453
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.362 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.012