Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 2 06 Oct 2026, 12:28

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 7:28.152 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
20.199
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.568
And I prepare Tails for memory erasure tests 0.289
When I start a process allocating 128 MiB of memory with a known pattern 2.193
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.303 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.181
Then I find very few patterns in the guest's memory after 5 seconds 7.663 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 1.025
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.344
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 6.529
And I prepare Tails for memory erasure tests 0.292
And I find very few patterns in the guest's memory 2.812 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.678
Then patterns cover at least 99% of the test FS size in the guest's memory 2.792 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.436
Then I find very few patterns in the guest's memory after 3 seconds 5.801 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.870
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.667
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 6.528
And I prepare Tails for memory erasure tests 0.262
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.486
Then I find very few patterns in the guest's memory 3.005 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.779
Then patterns cover at least 75% of the test FS size in the guest's memory 3.116 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.728
Then I find very few patterns in the guest's memory after 3 seconds 5.604 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
# read cache
When I mount the USB drive again 0.157
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 3.187 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.531
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.609
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.444
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 6.614
And I prepare Tails for memory erasure tests 0.298
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.987
Then I find very few patterns in the guest's memory 2.690 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.335
Then patterns cover at least 99% of the test FS size in the guest's memory 2.620 
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 5.446 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
# read cache
When I mount the USB drive again 3.910
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 2.643 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 5.504 
Pattern coverage: 0.000% (0 MiB out of 1427 MiB reference memory)
After features/support/hooks.rb:339 0.817
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.414
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 6.490
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the root filesystem 13.132
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.491
Then patterns cover at least 128 MiB in the guest's memory 2.185 
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 20.767 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 3.606
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.082
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 3:53.052
And I prepare Tails for memory erasure tests 0.253
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.727
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.045 
Pattern coverage: 0.000% (0 MiB out of 1425 MiB reference memory)
After features/support/hooks.rb:339 3.608
After features/support/hooks.rb:108 0.013