Project Number Date
test_Tails_ISO_stable 6052 12 Jan 2026, 11:24

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 6:53.067 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
16.938
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 6.400
And I prepare Tails for memory erasure tests 0.403
When I start a process allocating 128 MiB of memory with a known pattern 1.159
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.069 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.198
Then I find very few patterns in the guest's memory after 5 seconds 6.706 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.687
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 6.468
And I prepare Tails for memory erasure tests 0.326
And I find very few patterns in the guest's memory 1.690 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.294
Then patterns cover at least 99% of the test FS size in the guest's memory 1.912 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.290
Then I find very few patterns in the guest's memory after 3 seconds 4.704 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.999
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 6.456
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.293
Then I find very few patterns in the guest's memory 1.791 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.113
Then patterns cover at least 75% of the test FS size in the guest's memory 2.004 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 4.799 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 1.940 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.349
Then I find very few patterns in the guest's memory after 3 seconds 4.670 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:331 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.269
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 6.541
And I prepare Tails for memory erasure tests 0.338
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.129
Then I find very few patterns in the guest's memory 1.605 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.029
Then patterns cover at least 99% of the test FS size in the guest's memory 1.668 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.527
Then I find very few patterns in the guest's memory after 3 seconds 4.604 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 3.883
And I read the content of the test FS 0.293
Then patterns cover at least 99% of the test FS size in the guest's memory 1.726 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 4.493 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 0.948
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.513
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 6.574
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the root filesystem 11.929
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.740
Then patterns cover at least 128 MiB in the guest's memory 1.490 
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 20.461 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:9.659
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 3:37.811
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.681
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.821 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 3.590
After features/support/hooks.rb:100 0.017