Project Number Date
test_Tails_ISO_devel 4056 05 Nov 2025, 19:42

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 17:4.692 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
47.043
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.530
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 2.317
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.422 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 5 seconds 20.095 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.400
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.540
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 14.613 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.843
Then patterns cover at least 99% of the test FS size in the guest's memory 23.616 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.414
Then I find very few patterns in the guest's memory after 3 seconds 16.970 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 1.013
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:39.556
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.317
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.715
Then I find very few patterns in the guest's memory 15.657 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.610
Then patterns cover at least 75% of the test FS size in the guest's memory 15.419 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.907
Then I find very few patterns in the guest's memory after 3 seconds 16.448 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
# read cache
When I mount the USB drive again 0.182
And I read the content of the test FS 0.789
Then patterns cover at least 99% of the test FS size in the guest's memory 14.385 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 17.186 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 0.915
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:23.308
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.495
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.439
Then I find very few patterns in the guest's memory 13.282 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.107
Then patterns cover at least 99% of the test FS size in the guest's memory 14.112 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.698
Then I find very few patterns in the guest's memory after 3 seconds 21.643 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
# read cache
When I mount the USB drive again 6.298
And I read the content of the test FS 0.935
Then patterns cover at least 99% of the test FS size in the guest's memory 23.674 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.226
Then I find very few patterns in the guest's memory after 3 seconds 18.947 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
After features/support/hooks.rb:331 2.420
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.496
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 14.770
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 10.982
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.421
Then patterns cover at least 128 MiB in the guest's memory 21.856 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 27.050 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 3.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:50.886
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 9:17.457
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.610
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.458 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:331 3.582
After features/support/hooks.rb:100 0.015