Project Number Date
test_Tails_ISO_20898-tinyrpc-drop 13 24 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 11:14.282 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
25.173
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 8.122
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 4.382
Then patterns cover at least 128 MiB in the guest's memory 3.563 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.373
Then I find very few patterns in the guest's memory after 5 seconds 8.296 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.554
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 9.142
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 3.194 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.102
Then patterns cover at least 99% of the test FS size in the guest's memory 3.587 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.553
Then I find very few patterns in the guest's memory after 3 seconds 6.543 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.621
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 8.483
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.160
Then I find very few patterns in the guest's memory 3.510 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.533
Then patterns cover at least 75% of the test FS size in the guest's memory 3.643 
Pattern coverage: 86.922% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.319
Then I find very few patterns in the guest's memory after 3 seconds 6.426 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 0.576
Then patterns cover at least 99% of the test FS size in the guest's memory 4.487 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 6.289 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.965
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.934
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 7.982
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.593
Then I find very few patterns in the guest's memory 2.760 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.858
Then patterns cover at least 99% of the test FS size in the guest's memory 3.115 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.327 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 4.508
And I read the content of the test FS 0.783
Then patterns cover at least 99% of the test FS size in the guest's memory 3.435 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.597
Then I find very few patterns in the guest's memory after 3 seconds 5.762 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.488
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 9.282
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 20.064
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.168
Then patterns cover at least 128 MiB in the guest's memory 2.802 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.717 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.481
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.508
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 6:42.318
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.146
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.557 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.679
After features/support/hooks.rb:100 0.011