Project Number Date
test_Tails_ISO_21619-tor-browser-15.0.16 5 15 Jun 2026, 09:55

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 7:54.481 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
17.681
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.034
Given I have started Tails from DVD without network and logged in 6.992
And I prepare Tails for memory erasure tests 0.359
When I start a process allocating 128 MiB of memory with a known pattern 1.178
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.061 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 6.882 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:339 1.132
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.922
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 7.087
And I prepare Tails for memory erasure tests 0.343
And I find very few patterns in the guest's memory 1.665 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.655
Then patterns cover at least 99% of the test FS size in the guest's memory 1.992 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.313
Then I find very few patterns in the guest's memory after 3 seconds 4.864 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:339 1.008
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.545
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 7.236
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.335
Then I find very few patterns in the guest's memory 1.745 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.692
Then patterns cover at least 75% of the test FS size in the guest's memory 2.042 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 4.807 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
# read cache
When I mount the USB drive again 0.189
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 1.825 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 4.723 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:339 0.744
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.152
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails from DVD without network and logged in 7.303
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.309
Then I find very few patterns in the guest's memory 1.614 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.364
Then patterns cover at least 99% of the test FS size in the guest's memory 1.890 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 4.690 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# read cache
When I mount the USB drive again 3.912
And I read the content of the test FS 0.289
Then patterns cover at least 99% of the test FS size in the guest's memory 1.927 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 4.544 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:339 0.628
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.243
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.030
Given I have started Tails from DVD without network and logged in 7.175
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 23.354
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.141
Then patterns cover at least 128 MiB in the guest's memory 1.613 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.509 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:339 3.858
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:53.937
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:16.031
And I prepare Tails for memory erasure tests 0.332
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.559
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.008 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:339 3.904
After features/support/hooks.rb:108 0.059