Project Number Date
test_Tails_ISO_stable 6683 19 Sep 2026, 11:41

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 7:36.443 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
20.458
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.204
And I prepare Tails for memory erasure tests 0.352
When I start a process allocating 128 MiB of memory with a known pattern 2.243
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.149 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.766
Then I find very few patterns in the guest's memory after 5 seconds 7.741 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.706
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.818
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.123
And I prepare Tails for memory erasure tests 0.339
And I find very few patterns in the guest's memory 3.442 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.651
Then patterns cover at least 99% of the test FS size in the guest's memory 3.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.533
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.870
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
48.717
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 17.842
And I prepare Tails for memory erasure tests 0.314
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.098
Then I find very few patterns in the guest's memory 2.844 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.070
Then patterns cover at least 75% of the test FS size in the guest's memory 2.963 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 5.684 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# read cache
When I mount the USB drive again 0.195
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 2.817 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory after 3 seconds 5.992 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 1.088
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.434
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.452
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.918
Then I find very few patterns in the guest's memory 2.821 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.946 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 3.417
And I read the content of the test FS 0.317
Then patterns cover at least 99% of the test FS size in the guest's memory 2.802 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 5.402 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.752
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.586
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.223
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the root filesystem 13.594
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.557
Then patterns cover at least 128 MiB in the guest's memory 2.216 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.683 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 3.419
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.427
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:51.087
And I prepare Tails for memory erasure tests 0.270
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.016
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.047 
Pattern coverage: 0.000% (0 MiB out of 1389 MiB reference memory)
After features/support/hooks.rb:339 3.713
After features/support/hooks.rb:108 0.009