Project Number Date
test_Tails_ISO_stable 6045 08 Jan 2026, 19:17

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 7:6.358 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
17.354
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 6.789
And I prepare Tails for memory erasure tests 0.340
When I start a process allocating 128 MiB of memory with a known pattern 1.218
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.089 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.177
Then I find very few patterns in the guest's memory after 5 seconds 6.737 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.766
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 7.071
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 1.734 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.549
Then patterns cover at least 99% of the test FS size in the guest's memory 2.009 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.287
Then I find very few patterns in the guest's memory after 3 seconds 4.703 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 1.003
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.798
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 6.831
And I prepare Tails for memory erasure tests 0.360
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.320
Then I find very few patterns in the guest's memory 1.650 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.950
Then patterns cover at least 75% of the test FS size in the guest's memory 2.033 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.728
Then I find very few patterns in the guest's memory after 3 seconds 5.163 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.405
Then patterns cover at least 99% 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 0.323
Then I find very few patterns in the guest's memory after 3 seconds 4.799 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.067
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.716
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 6.496
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.331
Then I find very few patterns in the guest's memory 1.772 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.062
Then patterns cover at least 99% of the test FS size in the guest's memory 1.830 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 4.935 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 4.150
And I read the content of the test FS 0.359
Then patterns cover at least 99% of the test FS size in the guest's memory 1.929 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.463
Then I find very few patterns in the guest's memory after 3 seconds 4.490 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 1.090
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.191
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 6.560
And I prepare Tails for memory erasure tests 0.485
When I fill a 128 MiB file with a known pattern on the root filesystem 12.345
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.739
Then patterns cover at least 128 MiB in the guest's memory 1.526 
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 20.528 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:331 4.030
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:14.531
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:43.338
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.872
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.895 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
After features/support/hooks.rb:331 3.864
After features/support/hooks.rb:100 0.014