Project Number Date
test_Tails_ISO_devel 4392 12 May 2026, 13:23

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 7:29.652 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
17.393
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.778
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 1.232
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.030 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.190
Then I find very few patterns in the guest's memory after 5 seconds 6.738 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:335 0.809
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.649
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.665
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 1.821 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.606
Then patterns cover at least 99% of the test FS size in the guest's memory 1.989 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.334
Then I find very few patterns in the guest's memory after 3 seconds 4.797 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:335 0.566
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.572
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.508
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.650
Then I find very few patterns in the guest's memory 1.792 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 75% of the test FS size in the guest's memory 2.192 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.691
Then I find very few patterns in the guest's memory after 3 seconds 4.847 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 0.134
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 2.099 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 4.787 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:335 0.746
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.881
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.800
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.777
Then I find very few patterns in the guest's memory 1.881 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.406
Then patterns cover at least 99% of the test FS size in the guest's memory 2.080 
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 4.626 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
# read cache
When I mount the USB drive again 3.267
And I read the content of the test FS 0.324
Then patterns cover at least 99% of the test FS size in the guest's memory 1.766 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 4.732 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:335 0.918
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.054
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.004
Given I have started Tails from DVD without network and logged in 6.853
And I prepare Tails for memory erasure tests 0.333
When I fill a 128 MiB file with a known pattern on the root filesystem 25.495
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.971
Then patterns cover at least 128 MiB in the guest's memory 1.852 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.527 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 3.543
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:28.101
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:48.958
And I prepare Tails for memory erasure tests 0.304
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.934
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.898 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 3.648
After features/support/hooks.rb:104 0.010