Project Number Date
test_Tails_ISO_stable 5191 17 Oct 2024, 12:42

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 11:50.593 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
22.595
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.339
And I prepare Tails for memory erasure tests 0.601
When I start a process allocating 128 MiB of memory with a known pattern 2.978
Then patterns cover at least 128 MiB in the guest's memory 3.658 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.393
Then I find very few patterns in the guest's memory after 3 seconds 5.624 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.434
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.058
And I prepare Tails for memory erasure tests 0.493
And I find very few patterns in the guest's memory 3.066 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.080
Then patterns cover at least 99% of the test FS size in the guest's memory 4.271 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.798
Then I find very few patterns in the guest's memory after 3 seconds 6.666 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.352
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.285
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.960
Then I find very few patterns in the guest's memory 5.486 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.074
Then patterns cover at least 75% of the test FS size in the guest's memory 4.535 
Pattern coverage: 89.102% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.751
Then I find very few patterns in the guest's memory after 3 seconds 6.691 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 1.482
Then patterns cover at least 99% of the test FS size in the guest's memory 4.135 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.456
Then I find very few patterns in the guest's memory after 3 seconds 6.817 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.376
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.901
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.204
Then I find very few patterns in the guest's memory 2.515 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.754
Then patterns cover at least 99% of the test FS size in the guest's memory 2.926 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.133
Then I find very few patterns in the guest's memory after 3 seconds 5.799 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 5.601
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.687 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.777
Then I find very few patterns in the guest's memory after 3 seconds 6.147 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.010
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.719
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.902
And I prepare Tails for memory erasure tests 0.616
When I fill a 128 MiB file with a known pattern on the root filesystem 18.012
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.238
Then patterns cover at least 128 MiB in the guest's memory 3.013 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 20.892 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.572
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.115
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:11.246
And I prepare Tails for memory erasure tests 1.057
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.467
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.332 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.012