Project Number Date
test_Tails_ISO_stable 5485 02 Mar 2025, 12:33

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 12:25.111 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
29.885
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.727
And I prepare Tails for memory erasure tests 0.433
When I start a process allocating 128 MiB of memory with a known pattern 6.293
Then patterns cover at least 128 MiB in the guest's memory 4.408 
Pattern coverage: 100.003% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.524
Then I find very few patterns in the guest's memory after 5 seconds 8.498 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.552
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.575
And I prepare Tails for memory erasure tests 0.520
And I find very few patterns in the guest's memory 3.997 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.441
Then patterns cover at least 99% of the test FS size in the guest's memory 4.686 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.791
Then I find very few patterns in the guest's memory after 3 seconds 8.539 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.781
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.165
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.982
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.107
Then I find very few patterns in the guest's memory 3.832 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.843
Then patterns cover at least 75% of the test FS size in the guest's memory 4.373 
Pattern coverage: 90.712% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.496
Then I find very few patterns in the guest's memory after 3 seconds 6.692 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.339
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 4.082 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 6.704 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.651
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.420
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.176
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.196
Then I find very few patterns in the guest's memory 3.095 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.048
Then patterns cover at least 99% of the test FS size in the guest's memory 3.336 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.226
Then I find very few patterns in the guest's memory after 3 seconds 5.958 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 6.407
And I read the content of the test FS 0.464
Then patterns cover at least 99% of the test FS size in the guest's memory 3.284 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.829
Then I find very few patterns in the guest's memory after 3 seconds 5.925 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.669
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.288
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 18.439
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.519
Then patterns cover at least 128 MiB in the guest's memory 3.065 
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 20.876 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.562
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:15.419
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:28.822
And I prepare Tails for memory erasure tests 0.426
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.794
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.354 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.013