Project Number Date
test_Tails_ISO_devel 4526 01 Aug 2026, 11:23

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 7:44.820 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
18.565
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 6.776
And I prepare Tails for memory erasure tests 0.394
When I start a process allocating 128 MiB of memory with a known pattern 2.210
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.987 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.184
Then I find very few patterns in the guest's memory after 5 seconds 7.010 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.805
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.599
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 6.734
And I prepare Tails for memory erasure tests 0.441
And I find very few patterns in the guest's memory 1.858 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.461
Then patterns cover at least 99% of the test FS size in the guest's memory 1.947 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.353
Then I find very few patterns in the guest's memory after 3 seconds 4.801 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.722
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.782
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 6.710
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.149
Then I find very few patterns in the guest's memory 1.727 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.499
Then patterns cover at least 75% of the test FS size in the guest's memory 2.070 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.870
Then I find very few patterns in the guest's memory after 3 seconds 4.833 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 1.916 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.338
Then I find very few patterns in the guest's memory after 3 seconds 4.609 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 1.110
After features/support/hooks.rb:108 0.008
Tags: @product @slow @not_release_blocker
58.650
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 6.699
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.517
Then I find very few patterns in the guest's memory 1.613 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.141
Then patterns cover at least 99% of the test FS size in the guest's memory 1.824 
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 4.641 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 3.973
And I read the content of the test FS 0.316
Then patterns cover at least 99% of the test FS size in the guest's memory 1.820 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 4.648 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.687
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.869
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 6.683
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 24.775
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.817
Then patterns cover at least 128 MiB in the guest's memory 1.587 
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 20.599 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 3.713
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:42.353
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 3:55.498
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.521
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.991 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 3.503
After features/support/hooks.rb:108 0.014