Project Number Date
test_Tails_ISO_stable 6563 06 Aug 2026, 11:41

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 7:45.839 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
19.951
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 6.597
And I prepare Tails for memory erasure tests 0.421
When I start a process allocating 128 MiB of memory with a known pattern 2.255
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.997 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.176
Then I find very few patterns in the guest's memory after 5 seconds 7.504 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.747
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.029
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 6.694
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 2.970 
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 1.687
Then patterns cover at least 99% of the test FS size in the guest's memory 2.878 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.403
Then I find very few patterns in the guest's memory after 3 seconds 5.990 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.742
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.988
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 6.554
And I prepare Tails for memory erasure tests 0.357
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.328
Then I find very few patterns in the guest's memory 2.809 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.731
Then patterns cover at least 75% of the test FS size in the guest's memory 3.227 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory after 3 seconds 6.017 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.096 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.713
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.812
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 6.688
And I prepare Tails for memory erasure tests 0.302
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.333
Then I find very few patterns in the guest's memory 2.531 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.286
Then patterns cover at least 99% of the test FS size in the guest's memory 3.079 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 5.862 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 4.586
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.035 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory after 3 seconds 5.609 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.944
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.487
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 6.432
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the root filesystem 12.905
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.672
Then patterns cover at least 128 MiB in the guest's memory 2.326 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.792 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 3.605
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:37.570
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 4:6.362
And I prepare Tails for memory erasure tests 0.289
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.542
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.370 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 3.658
After features/support/hooks.rb:108 0.013