Project Number Date
test_Tails_ISO_stable 6606 26 Aug 2026, 11:38

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 7:37.480 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
19.960
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 6.464
And I prepare Tails for memory erasure tests 0.314
When I start a process allocating 128 MiB of memory with a known pattern 2.240
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.990 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.227
Then I find very few patterns in the guest's memory after 5 seconds 7.723 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.784
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.136
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 6.384
And I prepare Tails for memory erasure tests 0.335
And I find very few patterns in the guest's memory 2.539 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.792
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.431
Then I find very few patterns in the guest's memory after 3 seconds 5.574 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.594
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.806
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 6.964
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.395
Then I find very few patterns in the guest's memory 2.585 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.769
Then patterns cover at least 75% of the test FS size in the guest's memory 3.109 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory after 3 seconds 5.759 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
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 3.015 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.399
Then I find very few patterns in the guest's memory after 3 seconds 5.774 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.893
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.432
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.445
And I prepare Tails for memory erasure tests 0.335
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.050
Then I find very few patterns in the guest's memory 2.723 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.192
Then patterns cover at least 99% of the test FS size in the guest's memory 2.980 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 5.625 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 3.875
And I read the content of the test FS 0.327
Then patterns cover at least 99% of the test FS size in the guest's memory 2.876 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.431
Then I find very few patterns in the guest's memory after 3 seconds 6.059 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.848
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.009
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 6.647
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 12.838
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.612
Then patterns cover at least 128 MiB in the guest's memory 2.744 
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 20.759 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.557
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.134
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:59.117
And I prepare Tails for memory erasure tests 0.256
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.247
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.504 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 3.540
After features/support/hooks.rb:108 0.017