Project Number Date
test_Tails_ISO_stable 6042 07 Jan 2026, 11:27

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 8:3.270 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
17.987
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.055
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 1.215
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.379 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.178
Then I find very few patterns in the guest's memory after 5 seconds 6.728 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.810
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.252
And I prepare Tails for memory erasure tests 0.557
And I find very few patterns in the guest's memory 2.335 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.498
Then patterns cover at least 99% of the test FS size in the guest's memory 2.099 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.403
Then I find very few patterns in the guest's memory after 3 seconds 4.662 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 0.974
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.554
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.093
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.711
Then I find very few patterns in the guest's memory 2.056 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.247
Then patterns cover at least 75% of the test FS size in the guest's memory 1.970 
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 4.737 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.185
And I read the content of the test FS 0.629
Then patterns cover at least 99% of the test FS size in the guest's memory 2.385 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory after 3 seconds 5.020 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.866
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 18.945
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.390
Then I find very few patterns in the guest's memory 2.446 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.095
Then patterns cover at least 99% of the test FS size in the guest's memory 2.008 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 5.072 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 3.706
And I read the content of the test FS 0.314
Then patterns cover at least 99% of the test FS size in the guest's memory 2.405 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 5.075 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 1.061
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.332
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 19.289
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the root filesystem 12.131
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.934
Then patterns cover at least 128 MiB in the guest's memory 1.791 
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 20.683 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 4.187
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:42.718
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:10.112
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.167
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.127 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:331 3.584
After features/support/hooks.rb:100 0.012