Project Number Date
test_Tails_ISO_stable 6246 30 Mar 2026, 07:31

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 7:22.919 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
17.957
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 7.172
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 1.210
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.073 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.323
Then I find very few patterns in the guest's memory after 5 seconds 6.708 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.358
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 6.656
And I prepare Tails for memory erasure tests 0.400
And I find very few patterns in the guest's memory 1.666 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.488
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" 0.363
Then I find very few patterns in the guest's memory after 3 seconds 4.870 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.487
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 6.640
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.295
Then I find very few patterns in the guest's memory 1.730 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.873
Then patterns cover at least 75% of the test FS size in the guest's memory 2.193 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.867
Then I find very few patterns in the guest's memory after 3 seconds 4.733 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.073 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 4.672 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.929
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.762
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 6.675
And I prepare Tails for memory erasure tests 0.505
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.492
Then I find very few patterns in the guest's memory 1.640 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.420
Then patterns cover at least 99% of the test FS size in the guest's memory 1.750 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.605
Then I find very few patterns in the guest's memory after 3 seconds 4.704 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.687
And I read the content of the test FS 0.373
Then patterns cover at least 99% of the test FS size in the guest's memory 1.729 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 4.630 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 1.294
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.125
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 6.877
And I prepare Tails for memory erasure tests 0.361
When I fill a 128 MiB file with a known pattern on the root filesystem 12.559
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 1.672 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.576 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 3.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:30.227
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 3:57.412
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.544
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.891 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 3.484
After features/support/hooks.rb:100 0.015