Project Number Date
test_Tails_ISO_devel 3647 14 Jan 2025, 17:35

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 10:49.978 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
20.105
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.969
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 1.215
Then patterns cover at least 128 MiB in the guest's memory 3.429 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.183
Then I find very few patterns in the guest's memory after 3 seconds 5.808 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.392
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.705
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.851
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 3.764 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.255
Then patterns cover at least 99% of the test FS size in the guest's memory 3.236 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.539
Then I find very few patterns in the guest's memory after 3 seconds 5.672 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.104
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.983
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.868
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.133
Then I find very few patterns in the guest's memory 2.938 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.398
Then patterns cover at least 75% of the test FS size in the guest's memory 4.115 
Pattern coverage: 87.547% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.153
Then I find very few patterns in the guest's memory after 3 seconds 6.590 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.217
And I read the content of the test FS 0.852
Then patterns cover at least 99% of the test FS size in the guest's memory 3.854 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 5.931 
Pattern coverage: 0.000% (0 MiB out of 890 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
1:12.496
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.357
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.942
Then I find very few patterns in the guest's memory 2.566 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.793
Then patterns cover at least 99% of the test FS size in the guest's memory 3.324 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.940
Then I find very few patterns in the guest's memory after 3 seconds 6.183 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 5.139
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 2.732 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.889
Then I find very few patterns in the guest's memory after 3 seconds 5.808 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 1.055
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.532
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.949
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 20.626
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.873
Then patterns cover at least 128 MiB in the guest's memory 2.997 
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 20.675 
Pattern coverage: 0.000% (0 MiB out of 881 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
7:12.155
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 6:29.788
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.803
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.124 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.014