Project Number Date
test_Tails_ISO_devel 4270 10 Mar 2026, 08:01

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 7:18.149 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
19.150
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 6.419
And I prepare Tails for memory erasure tests 0.320
When I start a process allocating 128 MiB of memory with a known pattern 2.429
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.007 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.133
Then I find very few patterns in the guest's memory after 5 seconds 6.838 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.006
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 6.468
And I prepare Tails for memory erasure tests 0.336
And I find very few patterns in the guest's memory 2.128 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.342
Then patterns cover at least 99% of the test FS size in the guest's memory 2.110 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.826
Then I find very few patterns in the guest's memory after 3 seconds 4.793 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.717
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 6.552
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.482
Then I find very few patterns in the guest's memory 1.987 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.963
Then patterns cover at least 75% of the test FS size in the guest's memory 2.097 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.728
Then I find very few patterns in the guest's memory after 3 seconds 4.828 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 0.152
And I read the content of the test FS 0.397
Then patterns cover at least 99% of the test FS size in the guest's memory 2.023 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.324
Then I find very few patterns in the guest's memory after 3 seconds 4.758 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.123
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.817
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 6.477
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.131
Then I find very few patterns in the guest's memory 1.733 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.511
Then patterns cover at least 99% of the test FS size in the guest's memory 1.816 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.819
Then I find very few patterns in the guest's memory after 3 seconds 4.643 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 13.022
And I read the content of the test FS 0.268
Then patterns cover at least 99% of the test FS size in the guest's memory 1.868 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 4.668 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 1.053
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.375
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 6.605
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the root filesystem 13.045
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.116
Then patterns cover at least 128 MiB in the guest's memory 1.788 
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 20.493 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 3.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:12.083
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:40.237
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.651
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.876 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:331 3.692
After features/support/hooks.rb:100 0.042