Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 14 11 Nov 2024, 20:46

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 11:49.056 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
22.276
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.646
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 2.549
Then patterns cover at least 128 MiB in the guest's memory 3.486 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.198
Then I find very few patterns in the guest's memory after 3 seconds 5.925 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.337
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.538
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.270
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 2.774 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.265
Then patterns cover at least 99% of the test FS size in the guest's memory 3.661 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.610
Then I find very few patterns in the guest's memory after 3 seconds 6.494 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.494
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.638
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.026
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.217
Then I find very few patterns in the guest's memory 3.598 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.523
Then patterns cover at least 75% of the test FS size in the guest's memory 4.211 
Pattern coverage: 90.617% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.609
Then I find very few patterns in the guest's memory after 3 seconds 6.791 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 5.746
Then patterns cover at least 99% of the test FS size in the guest's memory 3.934 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.821
Then I find very few patterns in the guest's memory after 3 seconds 6.490 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 1.112
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.588
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.656
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.266
Then I find very few patterns in the guest's memory 3.203 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.904
Then patterns cover at least 99% of the test FS size in the guest's memory 3.536 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.056
Then I find very few patterns in the guest's memory after 3 seconds 5.856 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 4.531
And I read the content of the test FS 1.739
Then patterns cover at least 99% of the test FS size in the guest's memory 3.282 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.158
Then I find very few patterns in the guest's memory after 3 seconds 5.882 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.109
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.240
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the root filesystem 13.520
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.134
Then patterns cover at least 128 MiB in the guest's memory 3.039 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.772 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:58.906
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 7:15.948
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.169
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.307 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.012