Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 67 27 Dec 2024, 21:05

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 11:39.799 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
20.545
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.621
And I prepare Tails for memory erasure tests 0.476
When I start a process allocating 128 MiB of memory with a known pattern 1.211
Then patterns cover at least 128 MiB in the guest's memory 3.322 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.124
Then I find very few patterns in the guest's memory after 3 seconds 5.789 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.619
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.141
And I prepare Tails for memory erasure tests 0.564
And I find very few patterns in the guest's memory 2.887 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.380
Then patterns cover at least 99% of the test FS size in the guest's memory 3.334 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.671
Then I find very few patterns in the guest's memory after 3 seconds 6.638 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.047
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.417
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.250
Then I find very few patterns in the guest's memory 3.844 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.725
Then patterns cover at least 75% of the test FS size in the guest's memory 4.215 
Pattern coverage: 88.958% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.276
Then I find very few patterns in the guest's memory after 3 seconds 6.898 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.752
Then patterns cover at least 99% of the test FS size in the guest's memory 4.034 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.264
Then I find very few patterns in the guest's memory after 3 seconds 6.635 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 1.272
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:36.733
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.063
And I prepare Tails for memory erasure tests 0.519
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.035
Then I find very few patterns in the guest's memory 2.791 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.959
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.382
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 6.486
And I read the content of the test FS 0.636
Then patterns cover at least 99% of the test FS size in the guest's memory 3.323 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.553
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.497
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the root filesystem 18.524
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.163
Then patterns cover at least 128 MiB in the guest's memory 3.005 
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 20.880 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.300
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 6:43.131
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.299
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.404 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 3.816
After features/support/hooks.rb:100 0.011