Project Number Date
test_Tails_ISO_devel 4623 17 Sep 2026, 11:19

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 7:38.309 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
20.074
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 6.381
And I prepare Tails for memory erasure tests 0.317
When I start a process allocating 128 MiB of memory with a known pattern 2.194
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.995 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.215
Then I find very few patterns in the guest's memory after 5 seconds 7.970 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.636
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.650
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 6.438
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 2.784 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.577
Then patterns cover at least 99% of the test FS size in the guest's memory 3.075 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.369
Then I find very few patterns in the guest's memory after 3 seconds 6.072 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.630
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.251
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 6.216
And I prepare Tails for memory erasure tests 0.341
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.228
Then I find very few patterns in the guest's memory 3.268 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.368
Then patterns cover at least 75% of the test FS size in the guest's memory 3.153 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.608
Then I find very few patterns in the guest's memory after 3 seconds 5.797 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.058 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 5.987 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
After features/support/hooks.rb:339 0.919
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.127
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 6.290
And I prepare Tails for memory erasure tests 0.300
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.065
Then I find very few patterns in the guest's memory 2.703 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.362
Then patterns cover at least 99% of the test FS size in the guest's memory 2.642 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.544
Then I find very few patterns in the guest's memory after 3 seconds 5.470 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 4.033
And I read the content of the test FS 0.335
Then patterns cover at least 99% of the test FS size in the guest's memory 3.336 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.457
Then I find very few patterns in the guest's memory after 3 seconds 5.583 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.678
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.195
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 6.444
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the root filesystem 13.013
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.404
Then patterns cover at least 128 MiB in the guest's memory 2.250 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.730 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 3.816
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:33.010
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 4:1.778
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.793
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.163 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 3.693
After features/support/hooks.rb:108 0.011