Project Number Date
test_Tails_ISO_21171-trixie-13.6 3 13 Jul 2026, 18:04

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 7:59.276 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
17.815
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 6.636
And I prepare Tails for memory erasure tests 0.661
When I start a process allocating 128 MiB of memory with a known pattern 1.226
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.288 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 5 seconds 6.776 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
After features/support/hooks.rb:339 0.964
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.644
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 6.570
And I prepare Tails for memory erasure tests 0.358
And I find very few patterns in the guest's memory 1.806 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.732
Then patterns cover at least 99% of the test FS size in the guest's memory 2.024 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.322
Then I find very few patterns in the guest's memory after 3 seconds 4.829 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:339 0.612
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.148
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 6.539
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.233
Then I find very few patterns in the guest's memory 2.127 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.489
Then patterns cover at least 75% of the test FS size in the guest's memory 2.143 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory after 3 seconds 4.664 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 1.937 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 4.884 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:339 0.655
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.613
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 6.719
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.269
Then I find very few patterns in the guest's memory 2.138 
Pattern coverage: 0.000% (0 MiB out of 1539 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.255
Then patterns cover at least 99% of the test FS size in the guest's memory 2.255 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 4.727 
Pattern coverage: 0.000% (0 MiB out of 1539 MiB reference memory)
# read cache
When I mount the USB drive again 3.917
And I read the content of the test FS 0.304
Then patterns cover at least 99% of the test FS size in the guest's memory 1.910 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 4.681 
Pattern coverage: 0.000% (0 MiB out of 1539 MiB reference memory)
After features/support/hooks.rb:339 0.807
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.450
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 6.599
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the root filesystem 31.087
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.260
Then patterns cover at least 128 MiB in the guest's memory 1.612 
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 20.514 
Pattern coverage: 0.000% (0 MiB out of 1532 MiB reference memory)
After features/support/hooks.rb:339 3.673
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:50.605
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 4:3.054
And I prepare Tails for memory erasure tests 0.327
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.269
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.947 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 3.745
After features/support/hooks.rb:108 0.039