Project Number Date
test_Tails_ISO_stable 4829 06 May 2024, 15:08

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 12:22.960 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
27.979
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.122
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 8.986
Then patterns cover at least 128 MiB in the guest's memory 3.614 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.740
Then I find very few patterns in the guest's memory 5.110 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:305 4.005
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
30.251
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.543
And I prepare Tails for memory erasure tests 0.616
And I find very few patterns in the guest's memory 4.599 
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 2.402
Then patterns cover at least 99% of the test FS size in the guest's memory 4.260 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 4.962
Then I find very few patterns in the guest's memory 4.866 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:305 1.486
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
57.962
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.996
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.627
Then I find very few patterns in the guest's memory 4.567 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.180
Then patterns cover at least 86% of the test FS size in the guest's memory 3.982 
Pattern coverage: 90.709% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.989
Then I find very few patterns in the guest's memory 4.827 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.365
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 4.920 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory 4.809 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:305 1.282
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:18.878
Before features/support/hooks.rb:259 0.006
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.901
Then I find very few patterns in the guest's memory 3.599 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.923
Then patterns cover at least 99% of the test FS size in the guest's memory 2.970 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.103
Then I find very few patterns in the guest's memory 3.347 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 6.170
And I read the content of the test FS 0.804
Then patterns cover at least 99% of the test FS size in the guest's memory 3.113 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory 3.464 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:305 0.923
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
52.715
Before features/support/hooks.rb:259 0.004
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.524
When I fill a 128 MiB file with a known pattern on the root filesystem 16.971
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.204
Then patterns cover at least 128 MiB in the guest's memory 2.751 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.852 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:305 3.540
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
8:15.172
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:28.652
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.594
When I trigger shutdown 0.011
And I wait 20 seconds 20.011 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.437 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:305 3.505
After features/support/hooks.rb:89 0.014