Project Number Date
test_Tails_ISO_devel 3694 16 Feb 2025, 12:47

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 11:5.570 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
24.124
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.961
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 2.375
Then patterns cover at least 128 MiB in the guest's memory 3.568 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.837
Then I find very few patterns in the guest's memory after 5 seconds 7.878 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.778
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.538
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.257 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.574 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.764
Then I find very few patterns in the guest's memory after 3 seconds 5.960 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.386
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.158
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.113
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.156
Then I find very few patterns in the guest's memory 2.699 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.816
Then patterns cover at least 75% of the test FS size in the guest's memory 4.167 
Pattern coverage: 85.082% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.579
Then I find very few patterns in the guest's memory after 3 seconds 6.550 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.992
Then patterns cover at least 99% of the test FS size in the guest's memory 3.081 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.618
Then I find very few patterns in the guest's memory after 3 seconds 5.709 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.482
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.915
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.944
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.702
Then I find very few patterns in the guest's memory 2.337 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.550
Then patterns cover at least 99% of the test FS size in the guest's memory 2.676 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory after 3 seconds 5.243 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 4.802
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 3.341 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.773
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.936
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.011
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 17.546
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.612
Then patterns cover at least 128 MiB in the guest's memory 2.615 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.738 
Pattern coverage: 0.000% (0 MiB out of 886 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
7:27.896
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 6:43.876
And I prepare Tails for memory erasure tests 1.336
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.472
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.199 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.011