Project Number Date
test_Tails_ISO_devel 4584 02 Sep 2026, 07:30

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 7:26.432 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
19.293
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 6.123
And I prepare Tails for memory erasure tests 0.261
When I start a process allocating 128 MiB of memory with a known pattern 2.187
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.814 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.182
Then I find very few patterns in the guest's memory after 5 seconds 7.724 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.901
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.910
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.209
And I prepare Tails for memory erasure tests 0.250
And I find very few patterns in the guest's memory 2.499 
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 1.309
Then patterns cover at least 99% of the test FS size in the guest's memory 2.687 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.321
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.873
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.834
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.175
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.154
Then I find very few patterns in the guest's memory 2.837 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.490
Then patterns cover at least 75% of the test FS size in the guest's memory 2.976 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory after 3 seconds 5.579 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.175
And I read the content of the test FS 0.589
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.403
Then I find very few patterns in the guest's memory after 3 seconds 5.587 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.910
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.401
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.206
And I prepare Tails for memory erasure tests 0.306
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.333
Then I find very few patterns in the guest's memory 2.495 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.072
Then patterns cover at least 99% of the test FS size in the guest's memory 2.519 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.468
Then I find very few patterns in the guest's memory after 3 seconds 6.629 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 3.867
And I read the content of the test FS 0.331
Then patterns cover at least 99% of the test FS size in the guest's memory 4.363 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.403
Then I find very few patterns in the guest's memory after 3 seconds 7.402 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.894
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.907
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.393
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the root filesystem 13.224
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.471
Then patterns cover at least 128 MiB in the guest's memory 3.713 
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 20.775 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 3.609
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.085
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.410
And I prepare Tails for memory erasure tests 0.290
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.268
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.111 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 3.589
After features/support/hooks.rb:108 0.008