Project Number Date
test_Tails_ISO_21373-poweroff-inhibit 43 30 Jun 2026, 20:02

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 7:52.256 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
18.490
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.695
And I prepare Tails for memory erasure tests 0.354
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.134 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.208
Then I find very few patterns in the guest's memory after 5 seconds 6.912 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 0.794
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.969
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.893
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 1.806 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.580
Then patterns cover at least 99% of the test FS size in the guest's memory 2.043 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.311
Then I find very few patterns in the guest's memory after 3 seconds 4.873 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.812
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.556
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.694
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.301
Then I find very few patterns in the guest's memory 1.893 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.576
Then patterns cover at least 75% of the test FS size in the guest's memory 2.042 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 5.128 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.187
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 2.009 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.342
Then I find very few patterns in the guest's memory after 3 seconds 4.842 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.741
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.334
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.652
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.424
Then I find very few patterns in the guest's memory 1.751 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.390
Then patterns cover at least 99% of the test FS size in the guest's memory 1.854 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.539
Then I find very few patterns in the guest's memory after 3 seconds 4.636 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 3.788
And I read the content of the test FS 0.560
Then patterns cover at least 99% of the test FS size in the guest's memory 2.116 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 4.731 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 0.979
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.221
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.558
And I prepare Tails for memory erasure tests 0.351
When I fill a 128 MiB file with a known pattern on the root filesystem 33.148
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.175
Then patterns cover at least 128 MiB in the guest's memory 1.471 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.505 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:339 3.375
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.685
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:54.854
And I prepare Tails for memory erasure tests 0.317
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.562
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.943 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 3.788
After features/support/hooks.rb:108 0.010