Project Number Date
test_Tails_ISO_stable 5301 28 Nov 2024, 12:57

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 11:53.550 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
27.019
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.411
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 2.376
Then patterns cover at least 128 MiB in the guest's memory 4.181 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.411
Then I find very few patterns in the guest's memory after 3 seconds 9.196 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.934
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.241
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.643
And I prepare Tails for memory erasure tests 0.458
And I find very few patterns in the guest's memory 3.847 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.363
Then patterns cover at least 99% of the test FS size in the guest's memory 3.754 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.721
Then I find very few patterns in the guest's memory after 3 seconds 6.451 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.165
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.378
And I prepare Tails for memory erasure tests 1.657
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.145
Then I find very few patterns in the guest's memory 3.928 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.767
Then patterns cover at least 75% of the test FS size in the guest's memory 3.755 
Pattern coverage: 87.617% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.609
Then I find very few patterns in the guest's memory after 3 seconds 5.961 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.925
Then patterns cover at least 99% of the test FS size in the guest's memory 4.052 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.762
Then I find very few patterns in the guest's memory after 3 seconds 6.944 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.122
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.178
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.543
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.115
Then I find very few patterns in the guest's memory 3.210 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.866
Then patterns cover at least 99% of the test FS size in the guest's memory 3.805 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.644
Then I find very few patterns in the guest's memory after 3 seconds 6.183 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 6.304
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 7.614 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.964
Then I find very few patterns in the guest's memory after 3 seconds 6.045 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.067
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.268
And I prepare Tails for memory erasure tests 0.485
When I fill a 128 MiB file with a known pattern on the root filesystem 15.684
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.977
Then patterns cover at least 128 MiB in the guest's memory 2.844 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.793 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.877
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 7:7.751
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.303
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.312 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.050