Project Number Date
test_Tails_ISO_21373-poweroff-inhibit 14 05 Jun 2026, 19:50

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 7:17.291 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
16.804
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 6.425
And I prepare Tails for memory erasure tests 0.312
When I start a process allocating 128 MiB of memory with a known pattern 1.154
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.902 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.184
Then I find very few patterns in the guest's memory after 5 seconds 6.823 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:335 0.927
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
16.840
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 6.426
And I prepare Tails for memory erasure tests 0.356
And I find very few patterns in the guest's memory 1.598 
Pattern coverage: 0.000% (0 MiB out of 1482 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 1.867 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.294
Then I find very few patterns in the guest's memory after 3 seconds 4.748 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:335 1.014
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
31.156
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 6.608
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.175
Then I find very few patterns in the guest's memory 1.709 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.454
Then patterns cover at least 75% of the test FS size in the guest's memory 1.887 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 4.818 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 1.869 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.343
Then I find very few patterns in the guest's memory after 3 seconds 4.658 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 0.607
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.344
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 6.332
And I prepare Tails for memory erasure tests 0.313
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.555
Then I find very few patterns in the guest's memory 1.649 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.321
Then patterns cover at least 99% of the test FS size in the guest's memory 1.715 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.538
Then I find very few patterns in the guest's memory after 3 seconds 4.609 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 4.062
And I read the content of the test FS 0.369
Then patterns cover at least 99% of the test FS size in the guest's memory 1.844 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 4.629 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:335 0.933
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.017
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 6.434
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the root filesystem 24.308
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.007
Then patterns cover at least 128 MiB in the guest's memory 1.496 
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 20.469 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:335 3.568
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:19.128
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 3:39.300
And I prepare Tails for memory erasure tests 0.304
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.675
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.843 
Pattern coverage: 0.000% (0 MiB out of 1532 MiB reference memory)
After features/support/hooks.rb:335 3.577
After features/support/hooks.rb:104 0.009