Project Number Date
test_Tails_ISO_stable 4885 11 Jun 2024, 19:58

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 12:10.333 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
22.700
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.887
And I prepare Tails for memory erasure tests 0.614
When I start a process allocating 128 MiB of memory with a known pattern 2.335
Then patterns cover at least 128 MiB in the guest's memory 4.876 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.294
Then I find very few patterns in the guest's memory 4.691 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:320 0.782
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.732
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.558
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 4.907 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.234
Then patterns cover at least 99% of the test FS size in the guest's memory 3.117 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.715
Then I find very few patterns in the guest's memory 3.739 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:320 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.361
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.912
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.120
Then I find very few patterns in the guest's memory 5.167 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.051
Then patterns cover at least 86% of the test FS size in the guest's memory 6.879 
Pattern coverage: 90.152% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.129
Then I find very few patterns in the guest's memory 4.616 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.252
And I read the content of the test FS 0.650
Then patterns cover at least 99% of the test FS size in the guest's memory 4.111 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.448
Then I find very few patterns in the guest's memory 4.577 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:320 0.924
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.870
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.187
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.710
Then I find very few patterns in the guest's memory 3.649 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.943
Then patterns cover at least 99% of the test FS size in the guest's memory 3.043 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.433
Then I find very few patterns in the guest's memory 3.587 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 5.529
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 2.927 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.979
Then I find very few patterns in the guest's memory 3.953 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:320 2.020
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.171
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.185
And I prepare Tails for memory erasure tests 0.534
When I fill a 128 MiB file with a known pattern on the root filesystem 16.567
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.118
Then patterns cover at least 128 MiB in the guest's memory 2.958 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.773 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:320 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:17.497
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:32.715
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.034
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 2.268 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:320 3.602
After features/support/hooks.rb:100 0.014