Project Number Date
test_Tails_ISO_devel 4282 16 Mar 2026, 07:55

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 7:31.839 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
19.063
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 7.384
And I prepare Tails for memory erasure tests 0.354
When I start a process allocating 128 MiB of memory with a known pattern 2.211
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.139 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 6.766 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 1.130
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.814
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 7.280
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 1.903 
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 2.550
Then patterns cover at least 99% of the test FS size in the guest's memory 2.005 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.837
Then I find very few patterns in the guest's memory after 3 seconds 4.820 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.219
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.722
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.660
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.542
Then I find very few patterns in the guest's memory 1.893 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.159
Then patterns cover at least 75% of the test FS size in the guest's memory 2.272 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.594
Then I find very few patterns in the guest's memory after 3 seconds 5.049 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# read cache
When I mount the USB drive again 0.169
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 2.269 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.306
Then I find very few patterns in the guest's memory after 3 seconds 4.904 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 1.218
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.958
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.666
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.891
Then I find very few patterns in the guest's memory 1.642 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.771
Then patterns cover at least 99% of the test FS size in the guest's memory 1.904 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 4.617 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
# read cache
When I mount the USB drive again 10.904
And I read the content of the test FS 0.270
Then patterns cover at least 99% of the test FS size in the guest's memory 1.805 
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 4.807 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 1.654
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.487
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 7.445
And I prepare Tails for memory erasure tests 0.371
When I fill a 128 MiB file with a known pattern on the root filesystem 13.794
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.784
Then patterns cover at least 128 MiB in the guest's memory 1.540 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.544 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.619
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:20.793
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 3:48.719
And I prepare Tails for memory erasure tests 0.322
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.796
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.949 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 3.468
After features/support/hooks.rb:100 0.010