Project Number Date
test_Tails_ISO_stable 4677 21 Feb 2024, 12:23

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 13:55.833 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
17.817
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.893
And I prepare Tails for memory erasure tests 0.656
When I start a process allocating 128 MiB of memory with a known pattern 1.206
Then patterns cover at least 128 MiB in the guest's memory 3.454 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.267
Then I find very few patterns in the guest's memory 4.337 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.714
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.257
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.382
And I prepare Tails for memory erasure tests 0.515
And I find very few patterns in the guest's memory 5.774 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.801
Then patterns cover at least 99% of the test FS size in the guest's memory 4.057 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.209
Then I find very few patterns in the guest's memory 4.516 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
After features/support/hooks.rb:291 0.813
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:54.108
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.826
And I prepare Tails for memory erasure tests 0.644
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.952
Then I find very few patterns in the guest's memory 4.302 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:17.405
Then patterns cover at least 86% of the test FS size in the guest's memory 3.331 
Pattern coverage: 95.779% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory 3.561 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# read cache
When I mount the USB drive again 0.198
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.536 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory 3.395 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
After features/support/hooks.rb:291 1.531
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:27.743
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.578
And I prepare Tails for memory erasure tests 0.618
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.108
Then I find very few patterns in the guest's memory 3.423 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:35.292
Then patterns cover at least 99% of the test FS size in the guest's memory 3.044 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.045
Then I find very few patterns in the guest's memory 3.469 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# read cache
When I mount the USB drive again 4.080
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 2.567 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory 3.554 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
After features/support/hooks.rb:291 0.945
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.052
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.675
And I prepare Tails for memory erasure tests 0.700
When I fill a 128 MiB file with a known pattern on the root filesystem 14.624
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.884
Then patterns cover at least 128 MiB in the guest's memory 2.712 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.615
And I wait 20 seconds 20.001 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.836 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 3.487
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:22.854
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:36.697
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.020
When I trigger shutdown 0.525
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.168 
Pattern coverage: 0.000% (0 MiB out of 1157 MiB reference memory)
After features/support/hooks.rb:291 3.662
After features/support/hooks.rb:75 0.016