Project Number Date
test_Tails_ISO_stable 6634 03 Sep 2026, 16:46

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 7:31.316 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
20.501
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.676
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 2.399
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.913 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 7.889 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.738
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.414
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.623
And I prepare Tails for memory erasure tests 0.344
And I find very few patterns in the guest's memory 2.732 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.640
Then patterns cover at least 99% of the test FS size in the guest's memory 2.683 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.968 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.832
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.884
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.561
And I prepare Tails for memory erasure tests 0.320
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.229
Then I find very few patterns in the guest's memory 2.716 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.844
Then patterns cover at least 75% of the test FS size in the guest's memory 3.206 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.708
Then I find very few patterns in the guest's memory after 3 seconds 5.735 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.574
Then patterns cover at least 99% of the test FS size in the guest's memory 3.125 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.379
Then I find very few patterns in the guest's memory after 3 seconds 6.318 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.920
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.691
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.567
And I prepare Tails for memory erasure tests 0.327
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.857
Then I find very few patterns in the guest's memory 2.983 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.245
Then patterns cover at least 99% of the test FS size in the guest's memory 2.886 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.563
Then I find very few patterns in the guest's memory after 3 seconds 5.572 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 4.329
And I read the content of the test FS 0.380
Then patterns cover at least 99% of the test FS size in the guest's memory 2.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 5.760 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.621
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.621
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.497
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the root filesystem 13.271
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.612
Then patterns cover at least 128 MiB in the guest's memory 2.123 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.770 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.401
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.203
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.015
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.811
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.079 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 3.546
After features/support/hooks.rb:108 0.047