Project Number Date
test_Tails_ISO_stable 6074 17 Jan 2026, 08:00

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 7:16.117 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
19.272
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.018
Given I have started Tails from DVD without network and logged in 6.861
And I prepare Tails for memory erasure tests 0.344
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 2.078 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.924
Then I find very few patterns in the guest's memory after 5 seconds 6.823 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:331 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.857
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 6.797
And I prepare Tails for memory erasure tests 0.333
And I find very few patterns in the guest's memory 1.934 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.011
Then patterns cover at least 99% of the test FS size in the guest's memory 2.163 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.827
Then I find very few patterns in the guest's memory after 3 seconds 4.789 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:331 0.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.683
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 6.831
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.388
Then I find very few patterns in the guest's memory 1.789 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.521
Then patterns cover at least 75% of the test FS size in the guest's memory 2.040 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.033
Then I find very few patterns in the guest's memory after 3 seconds 4.855 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 1.987 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.338
Then I find very few patterns in the guest's memory after 3 seconds 4.882 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:331 1.053
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.661
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 6.722
And I prepare Tails for memory erasure tests 0.331
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.897
Then I find very few patterns in the guest's memory 1.724 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.112
Then patterns cover at least 99% of the test FS size in the guest's memory 2.003 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 4.601 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 4.197
And I read the content of the test FS 0.409
Then patterns cover at least 99% of the test FS size in the guest's memory 1.909 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 4.847 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:331 0.632
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.583
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 6.655
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the root filesystem 13.688
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.874
Then patterns cover at least 128 MiB in the guest's memory 1.460 
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 20.486 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:331 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:23.059
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 3:51.550
And I prepare Tails for memory erasure tests 0.292
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.230
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.980 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:331 3.721
After features/support/hooks.rb:100 0.009