Project Number Date
test_Tails_ISO_devel 3515 13 Sep 2024, 12:38

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 12:0.616 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
32.844
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.524
And I prepare Tails for memory erasure tests 0.556
When I start a process allocating 128 MiB of memory with a known pattern 3.624
Then patterns cover at least 128 MiB in the guest's memory 6.725 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.998
Then I find very few patterns in the guest's memory after 3 seconds 11.414 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.063
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.178
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.836
And I prepare Tails for memory erasure tests 0.480
And I find very few patterns in the guest's memory 7.415 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.053
Then patterns cover at least 99% of the test FS size in the guest's memory 5.113 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.929
Then I find very few patterns in the guest's memory after 3 seconds 7.350 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 1.038
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.072
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.603
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.269
Then I find very few patterns in the guest's memory 4.422 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.640
Then patterns cover at least 75% of the test FS size in the guest's memory 4.189 
Pattern coverage: 89.377% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.532
Then I find very few patterns in the guest's memory after 3 seconds 7.312 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.703
Then patterns cover at least 99% of the test FS size in the guest's memory 4.073 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.872
Then I find very few patterns in the guest's memory after 3 seconds 7.755 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.030
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.760
And I prepare Tails for memory erasure tests 0.762
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 2.435 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.305
Then patterns cover at least 99% of the test FS size in the guest's memory 3.490 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.439
Then I find very few patterns in the guest's memory after 3 seconds 6.766 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 5.687
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.536 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.758
Then I find very few patterns in the guest's memory after 3 seconds 5.893 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 2.113
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.852
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.416
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 20.391
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.744
Then patterns cover at least 128 MiB in the guest's memory 2.953 
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 20.898 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.579
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.637
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 6:55.551
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.384
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.204 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.012