Project Number Date
test_Tails_ISO_21322-tails-testers-migration 2 28 Aug 2026, 05:04

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 7:34.720 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
19.830
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 6.423
And I prepare Tails for memory erasure tests 0.359
When I start a process allocating 128 MiB of memory with a known pattern 2.211
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.978 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.186
Then I find very few patterns in the guest's memory after 5 seconds 7.670 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.977
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.012
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 6.493
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 2.695 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.349
Then patterns cover at least 99% of the test FS size in the guest's memory 2.948 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.366
Then I find very few patterns in the guest's memory after 3 seconds 5.744 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.726
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.698
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 6.503
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.094
Then I find very few patterns in the guest's memory 2.795 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.530
Then patterns cover at least 75% of the test FS size in the guest's memory 3.239 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.708
Then I find very few patterns in the guest's memory after 3 seconds 5.674 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 0.191
And I read the content of the test FS 0.643
Then patterns cover at least 99% of the test FS size in the guest's memory 2.882 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.682 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 1.110
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.783
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 6.384
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.588
Then I find very few patterns in the guest's memory 2.575 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.047
Then patterns cover at least 99% of the test FS size in the guest's memory 3.019 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory after 3 seconds 5.536 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 3.702
And I read the content of the test FS 0.316
Then patterns cover at least 99% of the test FS size in the guest's memory 2.694 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 5.510 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 1.261
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.311
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 6.339
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the root filesystem 12.945
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.673
Then patterns cover at least 128 MiB in the guest's memory 2.248 
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 20.730 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 3.730
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:33.084
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 4:0.700
And I prepare Tails for memory erasure tests 0.312
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.920
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.145 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 3.610
After features/support/hooks.rb:108 0.009