Project Number Date
test_Tails_ISO_stable 6569 10 Aug 2026, 12:48

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 7:57.538 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
19.878
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.299
And I prepare Tails for memory erasure tests 0.320
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.905 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 5 seconds 7.937 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.873
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.104
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 6.478
And I prepare Tails for memory erasure tests 0.320
And I find very few patterns in the guest's memory 2.469 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.462
Then patterns cover at least 99% of the test FS size in the guest's memory 2.874 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.409
Then I find very few patterns in the guest's memory after 3 seconds 6.089 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.709
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
50.389
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 18.509
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.805
Then I find very few patterns in the guest's memory 3.262 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.540
Then patterns cover at least 75% of the test FS size in the guest's memory 3.201 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.676
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.949 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.795 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.898
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.835
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 6.481
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.104
Then I find very few patterns in the guest's memory 2.668 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.161
Then patterns cover at least 99% of the test FS size in the guest's memory 2.795 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 5.898 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 4.811
And I read the content of the test FS 0.354
Then patterns cover at least 99% of the test FS size in the guest's memory 2.632 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 5.555 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 1.161
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.450
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 6.548
And I prepare Tails for memory erasure tests 0.321
When I fill a 128 MiB file with a known pattern on the root filesystem 13.830
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.681
Then patterns cover at least 128 MiB in the guest's memory 2.324 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.731 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 3.638
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:37.880
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 4:6.039
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.308
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.156 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:339 3.818
After features/support/hooks.rb:108 0.011