Project Number Date
test_Tails_ISO_devel 3611 13 Dec 2024, 12:55

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 11:32.534 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
22.831
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.913
And I prepare Tails for memory erasure tests 0.492
When I start a process allocating 128 MiB of memory with a known pattern 2.436
Then patterns cover at least 128 MiB in the guest's memory 4.585 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.251
Then I find very few patterns in the guest's memory after 3 seconds 6.152 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 1.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.935
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.503
And I prepare Tails for memory erasure tests 0.513
And I find very few patterns in the guest's memory 3.622 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.402
Then patterns cover at least 99% of the test FS size in the guest's memory 3.905 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 5.139
Then I find very few patterns in the guest's memory after 3 seconds 6.848 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.299
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.227
And I prepare Tails for memory erasure tests 0.508
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.376
Then I find very few patterns in the guest's memory 3.732 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.919
Then patterns cover at least 75% of the test FS size in the guest's memory 3.502 
Pattern coverage: 87.540% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.524
Then I find very few patterns in the guest's memory after 3 seconds 6.028 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.676
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 3.971 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.598
Then I find very few patterns in the guest's memory after 3 seconds 6.553 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.289
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.365
Then I find very few patterns in the guest's memory 4.809 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.289
Then patterns cover at least 99% of the test FS size in the guest's memory 3.567 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.228
Then I find very few patterns in the guest's memory after 3 seconds 5.859 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 6.094
And I read the content of the test FS 0.775
Then patterns cover at least 99% of the test FS size in the guest's memory 3.031 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.923
Then I find very few patterns in the guest's memory after 3 seconds 5.635 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 0.879
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.362
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.643
And I prepare Tails for memory erasure tests 0.521
When I fill a 128 MiB file with a known pattern on the root filesystem 17.575
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.185
Then patterns cover at least 128 MiB in the guest's memory 2.635 
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 20.788 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.816
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 6:46.544
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.519
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.254 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.014