Project Number Date
test_Tails_ISO_devel 3734 12 Mar 2025, 11:23

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 11:27.334 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
24.848
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 8.260
And I prepare Tails for memory erasure tests 0.515
When I start a process allocating 128 MiB of memory with a known pattern 2.472
Then patterns cover at least 128 MiB in the guest's memory 3.693 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.558
Then I find very few patterns in the guest's memory after 5 seconds 8.348 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.922
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 8.773
And I prepare Tails for memory erasure tests 0.703
And I find very few patterns in the guest's memory 3.721 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.747
Then patterns cover at least 99% of the test FS size in the guest's memory 5.056 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.624
Then I find very few patterns in the guest's memory after 3 seconds 6.295 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.010
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.546
And I prepare Tails for memory erasure tests 0.720
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.351
Then I find very few patterns in the guest's memory 2.946 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.447
Then patterns cover at least 75% of the test FS size in the guest's memory 3.950 
Pattern coverage: 88.214% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.639
Then I find very few patterns in the guest's memory after 3 seconds 7.702 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.659
Then patterns cover at least 99% of the test FS size in the guest's memory 3.820 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.268
Then I find very few patterns in the guest's memory after 3 seconds 6.691 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.732
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.022
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 8.086
And I prepare Tails for memory erasure tests 0.670
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.482
Then I find very few patterns in the guest's memory 2.739 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.844
Then patterns cover at least 99% of the test FS size in the guest's memory 2.904 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.070
Then I find very few patterns in the guest's memory after 3 seconds 5.583 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 11.218
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.274 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.510
Then I find very few patterns in the guest's memory after 3 seconds 6.153 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.250
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.154
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 9.167
And I prepare Tails for memory erasure tests 0.629
When I fill a 128 MiB file with a known pattern on the root filesystem 14.412
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.852
Then patterns cover at least 128 MiB in the guest's memory 3.158 
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 20.918 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.376
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:46.940
And I prepare Tails for memory erasure tests 0.887
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.111
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.423 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 3.519
After features/support/hooks.rb:100 0.015