Project Number Date
test_Tails_ISO_devel 3575 03 Nov 2024, 12:54

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 11:57.249 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
28.634
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.411
When I start a process allocating 128 MiB of memory with a known pattern 2.277
Then patterns cover at least 128 MiB in the guest's memory 4.610 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 6.961
Then I find very few patterns in the guest's memory after 3 seconds 6.256 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.487
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.823
And I prepare Tails for memory erasure tests 0.452
And I find very few patterns in the guest's memory 4.280 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.415 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.493
Then I find very few patterns in the guest's memory after 3 seconds 6.379 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.856
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.314
And I prepare Tails for memory erasure tests 0.492
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.139
Then I find very few patterns in the guest's memory 3.527 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.874
Then patterns cover at least 75% of the test FS size in the guest's memory 7.525 
Pattern coverage: 88.140% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.758
Then I find very few patterns in the guest's memory after 3 seconds 10.134 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 1.208
And I read the content of the test FS 0.837
Then patterns cover at least 99% of the test FS size in the guest's memory 4.657 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 6.603 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.912
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.995
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.429
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.667
Then I find very few patterns in the guest's memory 2.784 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.530
Then patterns cover at least 99% of the test FS size in the guest's memory 2.662 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.949
Then I find very few patterns in the guest's memory after 3 seconds 5.708 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 8.784
And I read the content of the test FS 0.436
Then patterns cover at least 99% of the test FS size in the guest's memory 3.469 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.073
Then I find very few patterns in the guest's memory after 3 seconds 6.094 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.532
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.546
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the root filesystem 17.931
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.913
Then patterns cover at least 128 MiB in the guest's memory 2.922 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.716 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.742
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 7:5.907
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.968
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.388 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.010