Project Number Date
test_Tails_ISO_stable 6565 07 Aug 2026, 11:32

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 7:36.618 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
20.730
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 6.623
And I prepare Tails for memory erasure tests 0.342
When I start a process allocating 128 MiB of memory with a known pattern 2.212
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.125 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.259
Then I find very few patterns in the guest's memory after 5 seconds 8.166 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 1.114
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.818
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 6.735
And I prepare Tails for memory erasure tests 0.339
And I find very few patterns in the guest's memory 2.731 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.684
Then patterns cover at least 99% of the test FS size in the guest's memory 3.017 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.399
Then I find very few patterns in the guest's memory after 3 seconds 5.909 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.947
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.257
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 6.338
And I prepare Tails for memory erasure tests 0.336
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.210
Then I find very few patterns in the guest's memory 3.016 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.808
Then patterns cover at least 75% of the test FS size in the guest's memory 3.202 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.735
Then I find very few patterns in the guest's memory after 3 seconds 5.516 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 2.973 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 5.916 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.991
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.556
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 6.474
And I prepare Tails for memory erasure tests 0.330
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.952
Then I find very few patterns in the guest's memory 2.831 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.987
Then patterns cover at least 99% of the test FS size in the guest's memory 3.035 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.606
Then I find very few patterns in the guest's memory after 3 seconds 5.536 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 4.114
And I read the content of the test FS 0.427
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory after 3 seconds 5.586 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 0.724
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.028
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 6.478
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the root filesystem 12.734
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.574
Then patterns cover at least 128 MiB in the guest's memory 2.154 
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 20.757 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 3.517
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.226
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:0.011
And I prepare Tails for memory erasure tests 0.233
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.446
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.530 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 3.475
After features/support/hooks.rb:108 0.012