Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 32 04 Apr 2025, 07:03

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 10:54.368 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
26.282
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.082
And I prepare Tails for memory erasure tests 0.529
When I start a process allocating 128 MiB of memory with a known pattern 2.625
Then patterns cover at least 128 MiB in the guest's memory 3.286 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.934
Then I find very few patterns in the guest's memory after 5 seconds 7.822 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.820
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.074
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.052
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 3.529 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.369
Then patterns cover at least 99% of the test FS size in the guest's memory 3.508 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.663
Then I find very few patterns in the guest's memory after 3 seconds 6.503 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.024
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.791
And I prepare Tails for memory erasure tests 0.504
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.066
Then I find very few patterns in the guest's memory 3.633 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.633
Then patterns cover at least 75% of the test FS size in the guest's memory 2.968 
Pattern coverage: 88.995% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.024
Then I find very few patterns in the guest's memory after 3 seconds 5.799 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.687
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.371
Then I find very few patterns in the guest's memory after 3 seconds 6.719 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.838
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.485
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.057
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.171
Then I find very few patterns in the guest's memory 2.589 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.636
Then patterns cover at least 99% of the test FS size in the guest's memory 2.631 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.643
Then I find very few patterns in the guest's memory after 3 seconds 5.415 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 4.412
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 2.721 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.616
Then I find very few patterns in the guest's memory after 3 seconds 5.720 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.361
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.226
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.975
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 16.731
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.948
Then patterns cover at least 128 MiB in the guest's memory 2.425 
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 20.708 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.474
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:10.275
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:25.928
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.707
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.133 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.012