Project Number Date
test_Tails_ISO_devel 3486 19 Aug 2024, 19:48

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 11:49.785 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
22.271
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.227
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 2.515
Then patterns cover at least 128 MiB in the guest's memory 3.527 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.734
Then I find very few patterns in the guest's memory after 3 seconds 5.858 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.308
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 8.311
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 5.855 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.890
Then patterns cover at least 99% of the test FS size in the guest's memory 4.029 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.190
Then I find very few patterns in the guest's memory after 3 seconds 6.591 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.255
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.225
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.037
Then I find very few patterns in the guest's memory 3.905 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.015
Then patterns cover at least 75% of the test FS size in the guest's memory 4.315 
Pattern coverage: 87.608% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.459
Then I find very few patterns in the guest's memory after 3 seconds 6.787 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 0.683
Then patterns cover at least 99% of the test FS size in the guest's memory 4.110 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.096
Then I find very few patterns in the guest's memory after 3 seconds 5.984 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.123
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.025
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.013
And I prepare Tails for memory erasure tests 0.591
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.376
Then I find very few patterns in the guest's memory 2.264 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.252
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.325
Then I find very few patterns in the guest's memory after 3 seconds 6.432 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.960
And I read the content of the test FS 0.635
Then patterns cover at least 99% of the test FS size in the guest's memory 4.107 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.628
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.391
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 17.773
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.858
Then patterns cover at least 128 MiB in the guest's memory 3.261 
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 20.883 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.295
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 7:8.614
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.613
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.621 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.013