Project Number Date
test_Tails_ISO_stable 4745 26 Mar 2024, 18:24

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 10:21.994 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
20.395
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.572
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 1.208
Then patterns cover at least 128 MiB in the guest's memory 4.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.851
Then I find very few patterns in the guest's memory 5.226 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:291 0.742
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
23.935
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.647
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 4.010 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.767
Then patterns cover at least 99% of the test FS size in the guest's memory 3.864 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.589
Then I find very few patterns in the guest's memory 4.638 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:291 0.900
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
41.833
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.149
And I prepare Tails for memory erasure tests 0.559
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.899
Then I find very few patterns in the guest's memory 4.013 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.738
Then patterns cover at least 86% of the test FS size in the guest's memory 3.885 
Pattern coverage: 87.491% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.773
Then I find very few patterns in the guest's memory 4.093 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.213
And I read the content of the test FS 0.406
Then patterns cover at least 99% of the test FS size in the guest's memory 3.958 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory 3.735 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:291 1.008
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:8.487
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.049
And I prepare Tails for memory erasure tests 0.610
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.554
Then I find very few patterns in the guest's memory 4.323 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.697
Then patterns cover at least 99% of the test FS size in the guest's memory 5.267 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.403
Then I find very few patterns in the guest's memory 4.177 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 4.379
And I read the content of the test FS 0.367
Then patterns cover at least 99% of the test FS size in the guest's memory 3.636 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.269
Then I find very few patterns in the guest's memory 3.750 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:291 1.336
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
54.111
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.412
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 18.036
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.136
Then patterns cover at least 128 MiB in the guest's memory 3.281 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.780 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:291 3.492
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:53.230
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:8.236
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.276
When I trigger shutdown 0.014
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.290 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:291 3.512
After features/support/hooks.rb:75 0.011