Project Number Date
test_Tails_ISO_stable 6087 23 Jan 2026, 07:26

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 7:1.978 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
18.641
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 7.150
And I prepare Tails for memory erasure tests 0.357
When I start a process allocating 128 MiB of memory with a known pattern 2.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.045 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.152
Then I find very few patterns in the guest's memory after 5 seconds 6.706 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 0.651
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.892
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 6.940
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 1.782 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.173
Then patterns cover at least 99% of the test FS size in the guest's memory 2.050 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.783
Then I find very few patterns in the guest's memory after 3 seconds 4.752 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.857
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.713
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 7.055
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.271
Then I find very few patterns in the guest's memory 1.870 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.830
Then patterns cover at least 75% of the test FS size in the guest's memory 2.038 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.067
Then I find very few patterns in the guest's memory after 3 seconds 4.743 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 0.130
And I read the content of the test FS 0.372
Then patterns cover at least 99% of the test FS size in the guest's memory 1.951 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.251
Then I find very few patterns in the guest's memory after 3 seconds 4.772 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.046
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.117
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 7.065
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.893
Then I find very few patterns in the guest's memory 1.823 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.086
Then patterns cover at least 99% of the test FS size in the guest's memory 1.866 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 4.550 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
# read cache
When I mount the USB drive again 3.698
And I read the content of the test FS 0.332
Then patterns cover at least 99% of the test FS size in the guest's memory 1.881 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.394
Then I find very few patterns in the guest's memory after 3 seconds 4.645 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 0.654
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.346
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 6.622
And I prepare Tails for memory erasure tests 0.334
When I fill a 128 MiB file with a known pattern on the root filesystem 13.722
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.594
Then patterns cover at least 128 MiB in the guest's memory 1.547 
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 20.519 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 3.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:11.266
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:40.020
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.051
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.892 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:331 3.445
After features/support/hooks.rb:100 0.025