Project Number Date
test_Tails_ISO_fix-homepage-image 5 15 Jul 2025, 08:07

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 11:10.186 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
21.054
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 8.131
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 1.209
Then patterns cover at least 128 MiB in the guest's memory 3.077 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.623
Then I find very few patterns in the guest's memory after 5 seconds 7.572 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.115
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 9.888
And I prepare Tails for memory erasure tests 0.483
And I find very few patterns in the guest's memory 2.501 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.890
Then patterns cover at least 99% of the test FS size in the guest's memory 3.054 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.349
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.222
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 7.994
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.160
Then I find very few patterns in the guest's memory 2.730 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.173
Then patterns cover at least 75% of the test FS size in the guest's memory 2.748 
Pattern coverage: 86.466% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.963
Then I find very few patterns in the guest's memory after 3 seconds 5.590 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 2.877 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 5.460 
Pattern coverage: 0.001% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.259
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 8.023
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.834
Then I find very few patterns in the guest's memory 2.244 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.957
Then patterns cover at least 99% of the test FS size in the guest's memory 2.422 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.904
Then I find very few patterns in the guest's memory after 3 seconds 5.022 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 3.726
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 2.411 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.490
Then I find very few patterns in the guest's memory after 3 seconds 5.377 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.267
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 8.519
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the root filesystem 18.734
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.591
Then patterns cover at least 128 MiB in the guest's memory 2.362 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.636 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.267
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 6:55.275
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.520
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.066 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.010