Project Number Date
test_Tails_ISO_stable 5087 09 Sep 2024, 16:38

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 11:53.447 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
23.193
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.223
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 3.012
Then patterns cover at least 128 MiB in the guest's memory 3.900 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.499
Then I find very few patterns in the guest's memory after 3 seconds 6.090 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.034
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.023
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.367
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.797
Then patterns cover at least 99% of the test FS size in the guest's memory 4.118 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.901
Then I find very few patterns in the guest's memory after 3 seconds 6.679 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.400
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.099
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.161
Then I find very few patterns in the guest's memory 4.025 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.803
Then patterns cover at least 75% of the test FS size in the guest's memory 3.371 
Pattern coverage: 88.967% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.669
Then I find very few patterns in the guest's memory after 3 seconds 5.701 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.553
And I read the content of the test FS 0.770
Then patterns cover at least 99% of the test FS size in the guest's memory 4.425 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.950
Then I find very few patterns in the guest's memory after 3 seconds 6.874 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.453
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.409
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.722
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.925
Then I find very few patterns in the guest's memory 2.658 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.915
Then patterns cover at least 99% of the test FS size in the guest's memory 3.331 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.083
Then I find very few patterns in the guest's memory after 3 seconds 5.471 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 6.416
And I read the content of the test FS 0.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.099 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory after 3 seconds 5.861 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.754
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 15.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.566
Then patterns cover at least 128 MiB in the guest's memory 3.418 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.901 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.966
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:16.243
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.264
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.981 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.800
After features/support/hooks.rb:100 0.011