Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 19 20 Jun 2026, 08:19

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 7:50.743 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
17.996
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 7.349
And I prepare Tails for memory erasure tests 0.410
When I start a process allocating 128 MiB of memory with a known pattern 1.242
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.988 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.182
Then I find very few patterns in the guest's memory after 5 seconds 6.822 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:339 0.806
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.043
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 7.205
And I prepare Tails for memory erasure tests 0.316
And I find very few patterns in the guest's memory 1.743 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.625
Then patterns cover at least 99% of the test FS size in the guest's memory 2.050 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.317
Then I find very few patterns in the guest's memory after 3 seconds 4.784 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:339 1.018
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.661
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.083
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.351
Then I find very few patterns in the guest's memory 1.664 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.765
Then patterns cover at least 75% of the test FS size in the guest's memory 2.076 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.821
Then I find very few patterns in the guest's memory after 3 seconds 4.875 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
# read cache
When I mount the USB drive again 0.151
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 1.892 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.381
Then I find very few patterns in the guest's memory after 3 seconds 4.827 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:339 0.779
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.583
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 7.545
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.120
Then I find very few patterns in the guest's memory 1.912 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.400
Then patterns cover at least 99% of the test FS size in the guest's memory 1.966 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.622
Then I find very few patterns in the guest's memory after 3 seconds 4.853 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
# read cache
When I mount the USB drive again 3.864
And I read the content of the test FS 0.274
Then patterns cover at least 99% of the test FS size in the guest's memory 1.629 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 4.593 
Pattern coverage: 0.000% (0 MiB out of 1535 MiB reference memory)
After features/support/hooks.rb:339 0.717
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.735
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 7.258
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 24.169
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.964
Then patterns cover at least 128 MiB in the guest's memory 1.404 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.512 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 3.828
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:47.722
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:8.831
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.447
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 21.024 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 3.571
After features/support/hooks.rb:108 0.046