Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 33 29 Nov 2024, 20:39

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 10:40.210 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
21.705
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.839
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 1.266
Then patterns cover at least 128 MiB in the guest's memory 4.438 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.665
Then I find very few patterns in the guest's memory after 3 seconds 7.089 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 0.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.088
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.793
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.363 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.069
Then patterns cover at least 99% of the test FS size in the guest's memory 3.630 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.684
Then I find very few patterns in the guest's memory after 3 seconds 6.135 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 0.699
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.770
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.781
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.106
Then I find very few patterns in the guest's memory 3.654 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.201
Then patterns cover at least 75% of the test FS size in the guest's memory 3.305 
Pattern coverage: 86.901% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.130
Then I find very few patterns in the guest's memory after 3 seconds 6.087 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# read cache
When I mount the USB drive again 0.454
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.440 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.553
Then I find very few patterns in the guest's memory after 3 seconds 6.195 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.123
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.831
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.471
Then I find very few patterns in the guest's memory 3.615 
Pattern coverage: 0.000% (0 MiB out of 945 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.971 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.034
Then I find very few patterns in the guest's memory after 3 seconds 5.621 
Pattern coverage: 0.000% (0 MiB out of 945 MiB reference memory)
# read cache
When I mount the USB drive again 4.503
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 2.983 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 5.634 
Pattern coverage: 0.000% (0 MiB out of 945 MiB reference memory)
After features/support/hooks.rb:326 0.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.289
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.814
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the root filesystem 16.694
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.848
Then patterns cover at least 128 MiB in the guest's memory 2.718 
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 20.767 
Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:9.233
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 6:27.633
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.969
When I trigger shutdown 0.037
Then I find very few patterns in the guest's memory after 20 seconds 21.185 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.012