Project Number Date
test_Tails_ISO_stable 6559 04 Aug 2026, 14:26

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 7:55.195 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
19.710
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 6.489
And I prepare Tails for memory erasure tests 0.304
When I start a process allocating 128 MiB of memory with a known pattern 2.234
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.959 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.188
Then I find very few patterns in the guest's memory after 5 seconds 7.534 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 1.000
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.860
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 6.352
And I prepare Tails for memory erasure tests 0.368
And I find very few patterns in the guest's memory 2.811 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.577
Then patterns cover at least 99% of the test FS size in the guest's memory 2.741 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.403
Then I find very few patterns in the guest's memory after 3 seconds 5.605 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 0.852
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.438
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 6.390
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.606
Then I find very few patterns in the guest's memory 2.729 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.881
Then patterns cover at least 75% of the test FS size in the guest's memory 3.086 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 5.756 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 0.171
And I read the content of the test FS 0.584
Then patterns cover at least 99% of the test FS size in the guest's memory 2.930 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.886
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:8.055
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 6.614
And I prepare Tails for memory erasure tests 0.305
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.153
Then I find very few patterns in the guest's memory 3.362 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.343
Then patterns cover at least 99% of the test FS size in the guest's memory 2.883 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 5.462 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 4.335
And I read the content of the test FS 0.337
Then patterns cover at least 99% of the test FS size in the guest's memory 2.565 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.698 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.715
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.593
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.565
And I prepare Tails for memory erasure tests 0.297
When I fill a 128 MiB file with a known pattern on the root filesystem 11.786
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.613
Then patterns cover at least 128 MiB in the guest's memory 2.197 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.125 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 3.457
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:46.536
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 4:15.866
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.234
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.117 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:339 3.676
After features/support/hooks.rb:108 0.011