Project Number Date
test_Tails_ISO_devel 3557 21 Oct 2024, 15:00

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 12:5.572 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
23.016
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.382
And I prepare Tails for memory erasure tests 0.520
When I start a process allocating 128 MiB of memory with a known pattern 2.627
Then patterns cover at least 128 MiB in the guest's memory 3.838 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.411
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.394
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.371
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.695
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 2.981 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.131
Then patterns cover at least 99% of the test FS size in the guest's memory 4.051 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.128
Then I find very few patterns in the guest's memory after 3 seconds 5.944 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.962
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.775
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.522
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.115
Then I find very few patterns in the guest's memory 2.800 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.345
Then patterns cover at least 75% of the test FS size in the guest's memory 3.518 
Pattern coverage: 91.839% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.466
Then I find very few patterns in the guest's memory after 3 seconds 6.100 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 1.357
And I read the content of the test FS 0.858
Then patterns cover at least 99% of the test FS size in the guest's memory 4.185 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.362
Then I find very few patterns in the guest's memory after 3 seconds 6.706 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.938
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.846
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.306
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.062
Then I find very few patterns in the guest's memory 3.115 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.061
Then patterns cover at least 99% of the test FS size in the guest's memory 2.990 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.356
Then I find very few patterns in the guest's memory after 3 seconds 5.629 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 5.673
And I read the content of the test FS 0.619
Then patterns cover at least 99% of the test FS size in the guest's memory 3.021 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.062
Then I find very few patterns in the guest's memory after 3 seconds 5.477 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.804
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.535
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the root filesystem 16.432
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.132
Then patterns cover at least 128 MiB in the guest's memory 3.350 
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 20.804 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.558
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:10.757
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:24.183
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.611
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.465 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.569
After features/support/hooks.rb:100 0.011