Project Number Date
test_Tails_ISO_stable 4847 18 May 2024, 13:14

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:25.536 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
20.179
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.975
And I prepare Tails for memory erasure tests 0.374
When I start a process allocating 128 MiB of memory with a known pattern 2.513
Then patterns cover at least 128 MiB in the guest's memory 3.959 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.116
Then I find very few patterns in the guest's memory 4.241 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:305 1.351
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.051
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.392
And I find very few patterns in the guest's memory 4.171 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.804
Then patterns cover at least 99% of the test FS size in the guest's memory 3.811 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.792
Then I find very few patterns in the guest's memory 4.997 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:305 1.680
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
44.557
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.968
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.944
Then I find very few patterns in the guest's memory 4.295 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.086
Then patterns cover at least 86% of the test FS size in the guest's memory 3.534 
Pattern coverage: 91.927% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.729
Then I find very few patterns in the guest's memory 4.177 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.363
And I read the content of the test FS 0.644
Then patterns cover at least 99% of the test FS size in the guest's memory 3.680 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.814
Then I find very few patterns in the guest's memory 3.877 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 1.304
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:25.174
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 20.455
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.614
Then I find very few patterns in the guest's memory 3.776 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.911
Then patterns cover at least 99% of the test FS size in the guest's memory 3.152 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.899
Then I find very few patterns in the guest's memory 3.952 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# read cache
When I mount the USB drive again 5.292
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 2.875 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory 3.641 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:305 1.171
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
53.894
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.091
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 18.749
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.999
Then patterns cover at least 128 MiB in the guest's memory 2.723 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.818 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:305 3.490
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:37.677
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:52.550
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.439
When I trigger shutdown 0.009
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.227 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:305 3.503
After features/support/hooks.rb:89 0.010