Project Number Date
test_Tails_ISO_issue-template-stop-tracking-oldstable 1 01 Oct 2026, 17:35

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 7:31.341 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
19.705
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 6.319
And I prepare Tails for memory erasure tests 0.303
When I start a process allocating 128 MiB of memory with a known pattern 2.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.957 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.197
Then I find very few patterns in the guest's memory after 5 seconds 7.708 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 1.044
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.537
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 6.591
And I prepare Tails for memory erasure tests 0.329
And I find very few patterns in the guest's memory 2.821 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.040 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.426
Then I find very few patterns in the guest's memory after 3 seconds 5.769 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.916
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.307
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.505
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.206
Then I find very few patterns in the guest's memory 2.719 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.642
Then patterns cover at least 75% of the test FS size in the guest's memory 3.754 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 5.660 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 2.828 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.395
Then I find very few patterns in the guest's memory after 3 seconds 5.729 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 1.122
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.700
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 6.846
And I prepare Tails for memory erasure tests 0.365
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.431
Then I find very few patterns in the guest's memory 2.600 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.209
Then patterns cover at least 99% of the test FS size in the guest's memory 3.124 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.578
Then I find very few patterns in the guest's memory after 3 seconds 5.662 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
# read cache
When I mount the USB drive again 3.930
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 2.611 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 6.573 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.594
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.510
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 6.270
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 13.279
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.443
Then patterns cover at least 128 MiB in the guest's memory 2.242 
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 20.877 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.571
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:25.580
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 3:53.163
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 10.899
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.197 
Pattern coverage: 0.000% (0 MiB out of 1441 MiB reference memory)
After features/support/hooks.rb:339 3.686
After features/support/hooks.rb:108 0.025