Project Number Date
test_Tails_ISO_stable 6070 15 Jan 2026, 17:18

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 7:21.319 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
19.152
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.094
And I prepare Tails for memory erasure tests 0.457
When I start a process allocating 128 MiB of memory with a known pattern 2.297
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.291 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.179
Then I find very few patterns in the guest's memory after 5 seconds 6.830 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.583
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.151
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.152
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 1.987 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.004
Then patterns cover at least 99% of the test FS size in the guest's memory 2.045 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.716
Then I find very few patterns in the guest's memory after 3 seconds 4.851 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.303
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.823
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.372
Then I find very few patterns in the guest's memory 1.888 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.652
Then patterns cover at least 75% of the test FS size in the guest's memory 2.086 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.196
Then I find very few patterns in the guest's memory after 3 seconds 5.021 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 0.155
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 2.115 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.267
Then I find very few patterns in the guest's memory after 3 seconds 4.773 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.988
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 6.989
And I prepare Tails for memory erasure tests 0.337
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.053
Then I find very few patterns in the guest's memory 1.953 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.048
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 4.657 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 3.921
And I read the content of the test FS 0.477
Then patterns cover at least 99% of the test FS size in the guest's memory 1.994 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 4.672 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 0.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.253
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 6.957
And I prepare Tails for memory erasure tests 0.329
When I fill a 128 MiB file with a known pattern on the root filesystem 13.654
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.440
Then patterns cover at least 128 MiB in the guest's memory 1.385 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.478 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 3.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:28.469
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:57.180
And I prepare Tails for memory erasure tests 0.282
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.973
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.024 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
After features/support/hooks.rb:331 3.839
After features/support/hooks.rb:100 0.009