Project Number Date
test_Tails_ISO_stable 5620 01 May 2025, 13:20

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 12:29.699 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
27.214
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.807
And I prepare Tails for memory erasure tests 0.695
When I start a process allocating 128 MiB of memory with a known pattern 2.430
Then patterns cover at least 128 MiB in the guest's memory 4.468 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.853
Then I find very few patterns in the guest's memory after 5 seconds 8.959 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.402
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.053
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.124
And I prepare Tails for memory erasure tests 0.619
And I find very few patterns in the guest's memory 10.106 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.164
Then patterns cover at least 99% of the test FS size in the guest's memory 4.129 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.175
Then I find very few patterns in the guest's memory after 3 seconds 6.733 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.954
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.597
And I prepare Tails for memory erasure tests 0.853
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.251
Then I find very few patterns in the guest's memory 3.855 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.772
Then patterns cover at least 75% of the test FS size in the guest's memory 4.765 
Pattern coverage: 90.718% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.191
Then I find very few patterns in the guest's memory after 3 seconds 6.888 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.573
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 4.146 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.614
Then I find very few patterns in the guest's memory after 3 seconds 6.827 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.464
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 10.013
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.063
Then I find very few patterns in the guest's memory 3.331 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.973
Then patterns cover at least 99% of the test FS size in the guest's memory 3.616 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.863
Then I find very few patterns in the guest's memory after 3 seconds 6.134 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 4.175
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 3.396 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 7.220 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.590
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.602
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.325
And I prepare Tails for memory erasure tests 0.609
When I fill a 128 MiB file with a known pattern on the root filesystem 13.730
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.644
Then patterns cover at least 128 MiB in the guest's memory 3.308 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.968 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:26.410
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:36.307
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.043
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.568 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:330 3.798
After features/support/hooks.rb:100 0.021