Project Number Date
test_Tails_ISO_stable 5075 05 Sep 2024, 18:46

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 11:35.555 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
23.413
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.582
And I prepare Tails for memory erasure tests 0.398
When I start a process allocating 128 MiB of memory with a known pattern 2.422
Then patterns cover at least 128 MiB in the guest's memory 4.469 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.034
Then I find very few patterns in the guest's memory after 3 seconds 6.506 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.980
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.087
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 3.542 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.627
Then patterns cover at least 99% of the test FS size in the guest's memory 3.339 
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 6.191 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.906
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.723
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.481
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.241
Then I find very few patterns in the guest's memory 3.687 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.003
Then patterns cover at least 75% of the test FS size in the guest's memory 4.657 
Pattern coverage: 89.555% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.588
Then I find very few patterns in the guest's memory after 3 seconds 9.137 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.289
And I read the content of the test FS 0.610
Then patterns cover at least 99% of the test FS size in the guest's memory 6.270 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory after 3 seconds 6.758 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.019
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.574
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.012
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.180
Then I find very few patterns in the guest's memory 2.802 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.979
Then patterns cover at least 99% of the test FS size in the guest's memory 3.826 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.934
Then I find very few patterns in the guest's memory after 3 seconds 6.508 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 7.465
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 3.422 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.703
Then I find very few patterns in the guest's memory after 3 seconds 5.818 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.915
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.909
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 20.098
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.275
Then patterns cover at least 128 MiB in the guest's memory 2.939 
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 20.862 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.954
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 6:55.462
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.702
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.353 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.012