Project Number Date
test_Tails_ISO_stable 6155 18 Feb 2026, 19:51

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 7:44.339 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
20.052
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.128
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 2.277
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.124 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.061
Then I find very few patterns in the guest's memory after 5 seconds 7.059 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.913
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.526
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.886
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 2.048 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.174
Then patterns cover at least 99% of the test FS size in the guest's memory 2.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.970
Then I find very few patterns in the guest's memory after 3 seconds 4.998 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.734
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 7.253
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.289
Then I find very few patterns in the guest's memory 1.976 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.040
Then patterns cover at least 75% of the test FS size in the guest's memory 2.403 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.249
Then I find very few patterns in the guest's memory after 3 seconds 5.005 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.507
Then patterns cover at least 99% of the test FS size in the guest's memory 2.235 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.254
Then I find very few patterns in the guest's memory after 3 seconds 4.847 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.135
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:8.822
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 6.729
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" 31.363
Then I find very few patterns in the guest's memory 1.881 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.342
Then patterns cover at least 99% of the test FS size in the guest's memory 2.203 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 5.094 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 11.275
And I read the content of the test FS 0.291
Then patterns cover at least 99% of the test FS size in the guest's memory 2.191 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.463
Then I find very few patterns in the guest's memory after 3 seconds 4.903 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 1.143
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.437
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 6.994
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the root filesystem 14.067
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.995
Then patterns cover at least 128 MiB in the guest's memory 1.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.519 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:35.765
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 4:3.738
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.704
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.917 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
After features/support/hooks.rb:331 3.482
After features/support/hooks.rb:100 0.040