Project Number Date
test_Tails_ISO_stable 5502 07 Mar 2025, 23:51

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 11:45.078 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
26.292
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 8.335
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.277
Then patterns cover at least 128 MiB in the guest's memory 4.007 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.853
Then I find very few patterns in the guest's memory after 5 seconds 9.394 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.893
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.174
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 8.616
And I prepare Tails for memory erasure tests 0.403
And I find very few patterns in the guest's memory 3.719 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.286
Then patterns cover at least 99% of the test FS size in the guest's memory 4.217 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.193
Then I find very few patterns in the guest's memory after 3 seconds 6.737 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 2.932
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.170
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 8.409
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.029
Then I find very few patterns in the guest's memory 4.454 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.808
Then patterns cover at least 75% of the test FS size in the guest's memory 4.155 
Pattern coverage: 87.400% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.314
Then I find very few patterns in the guest's memory after 3 seconds 6.588 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.304
And I read the content of the test FS 0.629
Then patterns cover at least 99% of the test FS size in the guest's memory 4.316 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.002
Then I find very few patterns in the guest's memory after 3 seconds 6.751 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.201
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.527
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 8.404
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.335
Then I find very few patterns in the guest's memory 3.288 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.681
Then patterns cover at least 99% of the test FS size in the guest's memory 3.361 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.174
Then I find very few patterns in the guest's memory after 3 seconds 5.987 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 5.452
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 3.391 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.574
Then I find very few patterns in the guest's memory after 3 seconds 5.886 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 2.592
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.104
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 8.076
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the root filesystem 18.007
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.365
Then patterns cover at least 128 MiB in the guest's memory 3.196 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.967 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.809
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:59.875
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.261
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.257 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.657
After features/support/hooks.rb:100 0.015