Project Number Date
test_Tails_ISO_21790-tor-0.4.9.13 1 24 Sep 2026, 16:49

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 8:9.288 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
23.229
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 6.442
And I prepare Tails for memory erasure tests 0.300
When I start a process allocating 128 MiB of memory with a known pattern 2.218
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.827 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 10.237 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 1.341
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
26.142
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.692
And I prepare Tails for memory erasure tests 0.374
And I find very few patterns in the guest's memory 2.871 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.600
Then patterns cover at least 99% of the test FS size in the guest's memory 6.149 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.429
Then I find very few patterns in the guest's memory after 3 seconds 8.024 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.612
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.309
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.483
And I prepare Tails for memory erasure tests 0.290
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.973
Then I find very few patterns in the guest's memory 4.986 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.875
Then patterns cover at least 75% of the test FS size in the guest's memory 4.659 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 6.963 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.627
Then patterns cover at least 99% of the test FS size in the guest's memory 3.844 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 6.277 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
After features/support/hooks.rb:339 0.960
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.222
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 6.536
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.884
Then I find very few patterns in the guest's memory 2.973 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.151
Then patterns cover at least 99% of the test FS size in the guest's memory 4.922 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 5.791 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
# read cache
When I mount the USB drive again 3.522
And I read the content of the test FS 0.381
Then patterns cover at least 99% of the test FS size in the guest's memory 2.895 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.565
Then I find very few patterns in the guest's memory after 3 seconds 6.684 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
After features/support/hooks.rb:339 0.631
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.826
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.670
And I prepare Tails for memory erasure tests 0.326
When I fill a 128 MiB file with a known pattern on the root filesystem 13.864
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.706
Then patterns cover at least 128 MiB in the guest's memory 2.332 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.921 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 3.719
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:43.558
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 4:11.923
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.177
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.134 
Pattern coverage: 0.000% (0 MiB out of 1340 MiB reference memory)
After features/support/hooks.rb:339 3.741
After features/support/hooks.rb:108 0.012