Project Number Date
test_Tails_ISO_stable 5532 26 Mar 2025, 16:01

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 11:50.885 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
23.600
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 8.289
And I prepare Tails for memory erasure tests 0.476
When I start a process allocating 128 MiB of memory with a known pattern 1.266
Then patterns cover at least 128 MiB in the guest's memory 5.226 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.280
Then I find very few patterns in the guest's memory after 5 seconds 8.061 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.153
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 8.326
And I prepare Tails for memory erasure tests 0.522
And I find very few patterns in the guest's memory 2.952 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.662
Then patterns cover at least 99% of the test FS size in the guest's memory 3.438 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.432
Then I find very few patterns in the guest's memory after 3 seconds 5.818 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.490
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 8.288
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.557
Then I find very few patterns in the guest's memory 3.598 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.776
Then patterns cover at least 75% of the test FS size in the guest's memory 7.503 
Pattern coverage: 85.336% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 6.662 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 4.068 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.747 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.189
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.486
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 8.578
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.899
Then I find very few patterns in the guest's memory 2.847 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.743
Then patterns cover at least 99% of the test FS size in the guest's memory 3.318 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 6.253 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 5.050
And I read the content of the test FS 0.472
Then patterns cover at least 99% of the test FS size in the guest's memory 3.578 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 6.006 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 1.445
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.804
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 8.167
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 17.751
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.103
Then patterns cover at least 128 MiB in the guest's memory 2.585 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.733 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.349
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 7:18.341
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.359
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.156 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.491
After features/support/hooks.rb:100 0.011