Project Number Date
test_Tails_ISO_devel 3845 30 May 2025, 13:28

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 13:14.822 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
27.073
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 8.601
And I prepare Tails for memory erasure tests 0.670
When I start a process allocating 128 MiB of memory with a known pattern 2.442
Then patterns cover at least 128 MiB in the guest's memory 5.755 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.804
Then I find very few patterns in the guest's memory after 5 seconds 8.799 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.277
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 9.214
And I prepare Tails for memory erasure tests 0.503
And I find very few patterns in the guest's memory 3.960 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.100
Then patterns cover at least 99% of the test FS size in the guest's memory 3.988 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.619
Then I find very few patterns in the guest's memory after 3 seconds 7.890 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.697
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 9.387
And I prepare Tails for memory erasure tests 0.552
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.602
Then I find very few patterns in the guest's memory 3.593 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.981
Then patterns cover at least 75% of the test FS size in the guest's memory 4.633 
Pattern coverage: 90.819% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.139
Then I find very few patterns in the guest's memory after 3 seconds 7.075 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.329
And I read the content of the test FS 3.683
Then patterns cover at least 99% of the test FS size in the guest's memory 4.902 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 7.103 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.932
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.604
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 8.264
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.813
Then I find very few patterns in the guest's memory 3.243 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.909
Then patterns cover at least 99% of the test FS size in the guest's memory 3.780 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.911
Then I find very few patterns in the guest's memory after 3 seconds 6.289 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 4.621
And I read the content of the test FS 2.221
Then patterns cover at least 99% of the test FS size in the guest's memory 4.712 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.739
Then I find very few patterns in the guest's memory after 3 seconds 6.585 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.225
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.907
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 9.136
And I prepare Tails for memory erasure tests 0.691
When I fill a 128 MiB file with a known pattern on the root filesystem 17.974
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.599
Then patterns cover at least 128 MiB in the guest's memory 3.542 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.946 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.492
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:4.262
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:16.476
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.573
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.662 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.636
After features/support/hooks.rb:100 0.020