Project Number Date
test_Tails_ISO_devel 4579 31 Aug 2026, 18:50

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 7:21.719 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
19.619
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 6.275
And I prepare Tails for memory erasure tests 0.289
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 3.046 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.194
Then I find very few patterns in the guest's memory after 5 seconds 7.627 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 0.583
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.223
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 6.165
And I prepare Tails for memory erasure tests 0.309
And I find very few patterns in the guest's memory 2.626 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.442
Then patterns cover at least 99% of the test FS size in the guest's memory 2.795 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.335
Then I find very few patterns in the guest's memory after 3 seconds 5.548 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 0.950
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.997
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 6.263
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.092
Then I find very few patterns in the guest's memory 2.727 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.403
Then patterns cover at least 75% of the test FS size in the guest's memory 2.950 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory after 3 seconds 5.709 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.159
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.019 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.356
Then I find very few patterns in the guest's memory after 3 seconds 5.739 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.690
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.227
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 6.167
And I prepare Tails for memory erasure tests 0.291
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.648
Then I find very few patterns in the guest's memory 2.526 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.145
Then patterns cover at least 99% of the test FS size in the guest's memory 2.616 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 5.505 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 4.054
And I read the content of the test FS 0.343
Then patterns cover at least 99% of the test FS size in the guest's memory 2.659 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 5.402 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 1.035
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.367
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 6.282
And I prepare Tails for memory erasure tests 0.292
When I fill a 128 MiB file with a known pattern on the root filesystem 13.426
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.514
Then patterns cover at least 128 MiB in the guest's memory 2.161 
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 20.686 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.637
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.284
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 3:48.706
And I prepare Tails for memory erasure tests 0.258
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.302
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.013 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 3.421
After features/support/hooks.rb:108 0.026