Project Number Date
test_Tails_ISO_stable 5036 19 Aug 2024, 19:02

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 11:22.937 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
23.665
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.427
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 4.234 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.797
Then I find very few patterns in the guest's memory after 3 seconds 6.632 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.377
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.050
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.802
And I prepare Tails for memory erasure tests 0.597
And I find very few patterns in the guest's memory 3.686 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.134
Then patterns cover at least 99% of the test FS size in the guest's memory 3.883 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.116
Then I find very few patterns in the guest's memory after 3 seconds 6.830 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.376
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.416
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.052
Then I find very few patterns in the guest's memory 3.984 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.996
Then patterns cover at least 75% of the test FS size in the guest's memory 3.639 
Pattern coverage: 90.749% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.221
Then I find very few patterns in the guest's memory after 3 seconds 5.868 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 1.096
Then patterns cover at least 99% of the test FS size in the guest's memory 3.508 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.269
Then I find very few patterns in the guest's memory after 3 seconds 6.658 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.861
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.809
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.385
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.873
Then I find very few patterns in the guest's memory 2.931 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.030
Then patterns cover at least 99% of the test FS size in the guest's memory 3.467 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.203
Then I find very few patterns in the guest's memory after 3 seconds 5.809 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 5.600
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.624 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.055
Then I find very few patterns in the guest's memory after 3 seconds 5.981 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.072
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.509
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 15.514
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.878
Then patterns cover at least 128 MiB in the guest's memory 2.854 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.733 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.484
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 6:49.530
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.286
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.232 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.015