Project Number Date
test_Tails_ISO_stable 6373 13 May 2026, 11:22

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 7:1.738 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
17.870
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.461
And I prepare Tails for memory erasure tests 0.345
When I start a process allocating 128 MiB of memory with a known pattern 2.193
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.953 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.188
Then I find very few patterns in the guest's memory after 5 seconds 6.728 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:335 1.020
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.028
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.414
And I prepare Tails for memory erasure tests 0.319
And I find very few patterns in the guest's memory 1.662 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.567
Then patterns cover at least 99% of the test FS size in the guest's memory 1.938 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.325
Then I find very few patterns in the guest's memory after 3 seconds 4.800 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:335 0.750
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.241
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.484
And I prepare Tails for memory erasure tests 0.301
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.121
Then I find very few patterns in the guest's memory 1.667 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.578
Then patterns cover at least 75% of the test FS size in the guest's memory 2.140 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 4.717 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.416
Then patterns cover at least 99% of the test FS size in the guest's memory 1.880 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.347
Then I find very few patterns in the guest's memory after 3 seconds 4.670 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 0.967
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.246
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.454
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.041
Then I find very few patterns in the guest's memory 1.678 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.251
Then patterns cover at least 99% of the test FS size in the guest's memory 1.763 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 4.529 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 3.764
And I read the content of the test FS 0.294
Then patterns cover at least 99% of the test FS size in the guest's memory 1.736 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.383
Then I find very few patterns in the guest's memory after 3 seconds 4.546 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:335 1.017
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
53.643
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.427
And I prepare Tails for memory erasure tests 0.319
When I fill a 128 MiB file with a known pattern on the root filesystem 22.968
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.907
Then patterns cover at least 128 MiB in the guest's memory 1.553 
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 20.460 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:335 3.385
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:6.707
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:29.769
And I prepare Tails for memory erasure tests 0.337
When I fill a 128 MiB file with a known pattern on the persistent filesystem 15.666
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.929 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:335 3.467
After features/support/hooks.rb:104 0.051