Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 35 01 Dec 2024, 20:43

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 10:45.007 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
20.258
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.028
And I prepare Tails for memory erasure tests 0.378
When I start a process allocating 128 MiB of memory with a known pattern 1.183
Then patterns cover at least 128 MiB in the guest's memory 3.715 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.470
Then I find very few patterns in the guest's memory after 3 seconds 6.481 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 0.768
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.361
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.043
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 3.066 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.871
Then patterns cover at least 99% of the test FS size in the guest's memory 3.424 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.779
Then I find very few patterns in the guest's memory after 3 seconds 6.773 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.707
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.429
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.978
Then I find very few patterns in the guest's memory 3.166 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.609
Then patterns cover at least 75% of the test FS size in the guest's memory 4.359 
Pattern coverage: 90.262% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.539
Then I find very few patterns in the guest's memory after 3 seconds 7.873 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 0.338
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.618 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 6.383 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.577
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.965
And I prepare Tails for memory erasure tests 0.366
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.967
Then I find very few patterns in the guest's memory 2.655 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.795
Then patterns cover at least 99% of the test FS size in the guest's memory 2.951 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.846
Then I find very few patterns in the guest's memory after 3 seconds 5.506 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 5.728
And I read the content of the test FS 0.366
Then patterns cover at least 99% of the test FS size in the guest's memory 2.941 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.895
Then I find very few patterns in the guest's memory after 3 seconds 5.591 
Pattern coverage: 0.000% (0 MiB out of 916 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
50.332
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.982
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 16.413
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.238
Then patterns cover at least 128 MiB in the guest's memory 2.511 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.751 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:9.047
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 6:25.119
And I prepare Tails for memory erasure tests 0.500
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.251
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.163 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.012