Project Number Date
test_Tails_ISO_stable 6054 13 Jan 2026, 08:34

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 13:15.530 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
43.144
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.092
Given I have started Tails from DVD without network and logged in 9.007
And I prepare Tails for memory erasure tests 0.372
When I start a process allocating 128 MiB of memory with a known pattern 0.109
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 14.662 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.138
Then I find very few patterns in the guest's memory after 5 seconds 18.854 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 1.024
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.293
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 8.018
And I prepare Tails for memory erasure tests 0.312
And I find very few patterns in the guest's memory 14.184 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 0.622
Then patterns cover at least 99% of the test FS size in the guest's memory 16.764 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.093
Then I find very few patterns in the guest's memory after 3 seconds 18.296 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.586
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:43.784
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.866
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.431
Then I find very few patterns in the guest's memory 15.831 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.142
Then patterns cover at least 75% of the test FS size in the guest's memory 15.830 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.217
Then I find very few patterns in the guest's memory after 3 seconds 20.156 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.153
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 14.802 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.175
Then I find very few patterns in the guest's memory after 3 seconds 18.246 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.695
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:41.468
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 7.735
And I prepare Tails for memory erasure tests 0.347
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.075
Then I find very few patterns in the guest's memory 13.970 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.319
Then patterns cover at least 99% of the test FS size in the guest's memory 27.861 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 31.746 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 2.515
And I read the content of the test FS 0.328
Then patterns cover at least 99% of the test FS size in the guest's memory 27.234 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.335
Then I find very few patterns in the guest's memory after 3 seconds 15.578 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.705
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.724
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 7.664
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the root filesystem 9.814
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.310
Then patterns cover at least 128 MiB in the guest's memory 11.147 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 23.413 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 3.558
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:16.115
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:38.254
And I prepare Tails for memory erasure tests 0.372
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.010
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 28.464 
Pattern coverage: 0.000% (0 MiB out of 1505 MiB reference memory)
After features/support/hooks.rb:331 3.905
After features/support/hooks.rb:100 0.013