Project Number Date
test_Tails_ISO_21641-update-moat-frontends 2 13 Aug 2026, 16:05

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 7:34.836 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
21.338
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 6.592
And I prepare Tails for memory erasure tests 0.316
When I start a process allocating 128 MiB of memory with a known pattern 2.209
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.373 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.846
Then I find very few patterns in the guest's memory after 5 seconds 7.999 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.835
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.269
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 6.197
And I prepare Tails for memory erasure tests 0.362
And I find very few patterns in the guest's memory 2.970 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.617
Then patterns cover at least 99% of the test FS size in the guest's memory 2.998 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.373
Then I find very few patterns in the guest's memory after 3 seconds 5.749 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.920
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.761
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 6.188
And I prepare Tails for memory erasure tests 0.311
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.671
Then I find very few patterns in the guest's memory 2.717 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.592
Then patterns cover at least 75% of the test FS size in the guest's memory 3.285 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.609
Then I find very few patterns in the guest's memory after 3 seconds 5.925 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 3.377 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.777 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.927
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.067
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 6.314
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" 29.551
Then I find very few patterns in the guest's memory 2.610 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.161
Then patterns cover at least 99% of the test FS size in the guest's memory 2.471 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 5.588 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 4.473
And I read the content of the test FS 0.370
Then patterns cover at least 99% of the test FS size in the guest's memory 2.723 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 5.509 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.641
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.675
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 6.251
And I prepare Tails for memory erasure tests 0.561
When I fill a 128 MiB file with a known pattern on the root filesystem 12.580
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.448
Then patterns cover at least 128 MiB in the guest's memory 2.100 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.719 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.857
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:29.724
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:58.826
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.413
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.140 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:339 3.492
After features/support/hooks.rb:108 0.018