Project Number Date
test_Tails_ISO_20898-tinyrpc-drop 7 18 Apr 2025, 21:28

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 11:16.401 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
25.065
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 8.141
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 3.396
Then patterns cover at least 128 MiB in the guest's memory 4.223 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.216
Then I find very few patterns in the guest's memory after 5 seconds 8.587 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 0.806
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.454
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 8.212
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 3.853 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.716
Then patterns cover at least 99% of the test FS size in the guest's memory 4.084 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 6.867 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.902
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 8.740
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.266
Then I find very few patterns in the guest's memory 3.392 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.313
Then patterns cover at least 75% of the test FS size in the guest's memory 3.797 
Pattern coverage: 86.301% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.027
Then I find very few patterns in the guest's memory after 3 seconds 6.651 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.394
And I read the content of the test FS 0.910
Then patterns cover at least 99% of the test FS size in the guest's memory 3.952 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.336
Then I find very few patterns in the guest's memory after 3 seconds 6.634 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.562
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 8.093
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.145
Then I find very few patterns in the guest's memory 3.158 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.534
Then patterns cover at least 99% of the test FS size in the guest's memory 3.268 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.695
Then I find very few patterns in the guest's memory after 3 seconds 5.850 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 4.780
And I read the content of the test FS 0.542
Then patterns cover at least 99% of the test FS size in the guest's memory 3.513 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.573
Then I find very few patterns in the guest's memory after 3 seconds 6.004 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 1.506
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.510
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 8.343
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 16.948
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.873
Then patterns cover at least 128 MiB in the guest's memory 3.057 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.804 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.907
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 6:45.649
And I prepare Tails for memory erasure tests 0.635
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.293
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.315 
Pattern coverage: 0.000% (0 MiB out of 931 MiB reference memory)
After features/support/hooks.rb:330 3.513
After features/support/hooks.rb:100 0.014