Project Number Date
test_Tails_ISO_devel 4635 24 Sep 2026, 15:11

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 7:48.215 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
20.438
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 6.276
And I prepare Tails for memory erasure tests 0.294
When I start a process allocating 128 MiB of memory with a known pattern 2.174
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.689 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.231
Then I find very few patterns in the guest's memory after 5 seconds 7.772 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.780
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.944
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 6.375
And I prepare Tails for memory erasure tests 0.328
And I find very few patterns in the guest's memory 3.156 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.599
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.397
Then I find very few patterns in the guest's memory after 3 seconds 5.785 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.779
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.902
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 6.172
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.776
Then I find very few patterns in the guest's memory 2.527 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.601
Then patterns cover at least 75% of the test FS size in the guest's memory 3.160 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 5.862 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.340 
Pattern coverage: 100.000% (127 MiB out of 127 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 6.277 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.811
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.348
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 6.178
And I prepare Tails for memory erasure tests 0.307
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.845
Then I find very few patterns in the guest's memory 2.663 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.221
Then patterns cover at least 99% of the test FS size in the guest's memory 2.945 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory after 3 seconds 7.413 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# read cache
When I mount the USB drive again 3.896
And I read the content of the test FS 0.309
Then patterns cover at least 99% of the test FS size in the guest's memory 2.770 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.802
Then I find very few patterns in the guest's memory after 3 seconds 5.485 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.912
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.635
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 6.447
And I prepare Tails for memory erasure tests 0.306
When I fill a 128 MiB file with a known pattern on the root filesystem 13.717
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.361
Then patterns cover at least 128 MiB in the guest's memory 2.938 
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 20.858 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.452
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:37.946
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 4:6.247
And I prepare Tails for memory erasure tests 0.280
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.217
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.195 
Pattern coverage: 0.000% (0 MiB out of 1374 MiB reference memory)
After features/support/hooks.rb:339 3.786
After features/support/hooks.rb:108 0.022