Project Number Date
test_Tails_ISO_stable 4731 20 Mar 2024, 14:02

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 10:12.112 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
19.077
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.298
And I prepare Tails for memory erasure tests 0.515
When I start a process allocating 128 MiB of memory with a known pattern 1.215
Then patterns cover at least 128 MiB in the guest's memory 3.715 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.121
Then I find very few patterns in the guest's memory 4.211 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:291 1.622
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
23.789
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.365
And I prepare Tails for memory erasure tests 0.567
And I find very few patterns in the guest's memory 4.090 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.861
Then patterns cover at least 99% of the test FS size in the guest's memory 3.963 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.542
Then I find very few patterns in the guest's memory 4.397 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:291 1.333
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.507
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.651
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.924
Then I find very few patterns in the guest's memory 3.865 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.687
Then patterns cover at least 86% of the test FS size in the guest's memory 3.942 
Pattern coverage: 89.285% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.353
Then I find very few patterns in the guest's memory 4.631 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.205
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 4.113 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.689
Then I find very few patterns in the guest's memory 4.531 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:291 1.309
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:10.187
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.314
And I prepare Tails for memory erasure tests 0.576
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.953
Then I find very few patterns in the guest's memory 4.128 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.379 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.677
Then I find very few patterns in the guest's memory 4.000 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 6.874
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.719 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory 4.128 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:291 0.771
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
54.206
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.495
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 18.901
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.163
Then patterns cover at least 128 MiB in the guest's memory 3.338 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.886 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:291 3.558
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:36.344
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 5:51.285
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.281
When I trigger shutdown 0.010
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.317 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:291 3.549
After features/support/hooks.rb:75 0.014