Project Number Date
test_Tails_ISO_21773-wait-for-appstream-before-snapshot 2 28 Oct 2026, 18:48

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 8:0.560 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
20.090
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.476
And I prepare Tails for memory erasure tests 0.329
When I start a process allocating 128 MiB of memory with a known pattern 2.225
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.071 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.268
Then I find very few patterns in the guest's memory after 5 seconds 7.719 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 0.623
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
23.148
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 6.458
And I prepare Tails for memory erasure tests 0.261
And I find very few patterns in the guest's memory 2.620 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.473
Then patterns cover at least 99% of the test FS size in the guest's memory 3.364 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.356
Then I find very few patterns in the guest's memory after 3 seconds 8.614 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 0.621
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
50.271
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 6.292
And I prepare Tails for memory erasure tests 0.327
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.144
Then I find very few patterns in the guest's memory 4.699 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.763
Then patterns cover at least 75% of the test FS size in the guest's memory 5.718 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 8.058 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
# read cache
When I mount the USB drive again 0.219
And I read the content of the test FS 0.598
Then patterns cover at least 99% of the test FS size in the guest's memory 6.151 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.400
Then I find very few patterns in the guest's memory after 3 seconds 9.209 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 0.999
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:14.073
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 6.376
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.064
Then I find very few patterns in the guest's memory 4.664 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.356
Then patterns cover at least 99% of the test FS size in the guest's memory 5.844 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 6.983 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 3.895
And I read the content of the test FS 0.346
Then patterns cover at least 99% of the test FS size in the guest's memory 4.899 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.139
Then I find very few patterns in the guest's memory after 3 seconds 6.630 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.740
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.930
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 6.356
And I prepare Tails for memory erasure tests 0.289
When I fill a 128 MiB file with a known pattern on the root filesystem 12.880
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.523
Then patterns cover at least 128 MiB in the guest's memory 2.998 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.876 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 3.613
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.045
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.074
And I prepare Tails for memory erasure tests 0.329
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.305
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.330 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 3.797
After features/support/hooks.rb:108 0.014