Project Number Date
test_Tails_ISO_stable 6145 13 Feb 2026, 08:11

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 13:18.999 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
46.952
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 8.301
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.250
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.659 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.419
Then I find very few patterns in the guest's memory after 5 seconds 19.897 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 1.041
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.606
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 8.235
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 20.839 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.594
Then patterns cover at least 99% of the test FS size in the guest's memory 15.275 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.192
Then I find very few patterns in the guest's memory after 3 seconds 17.078 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.937
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:42.559
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 8.248
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.466
Then I find very few patterns in the guest's memory 14.425 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.553
Then patterns cover at least 75% of the test FS size in the guest's memory 15.800 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.652
Then I find very few patterns in the guest's memory after 3 seconds 17.387 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 0.186
And I read the content of the test FS 0.704
Then patterns cover at least 99% of the test FS size in the guest's memory 16.654 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 16.629 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 1.264
After features/support/hooks.rb:100 0.003
Tags: @product @slow @not_release_blocker
1:59.511
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 8.346
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" 31.126
Then I find very few patterns in the guest's memory 12.750 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.716
Then patterns cover at least 99% of the test FS size in the guest's memory 13.679 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.718
Then I find very few patterns in the guest's memory after 3 seconds 15.664 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# read cache
When I mount the USB drive again 4.783
And I read the content of the test FS 0.457
Then patterns cover at least 99% of the test FS size in the guest's memory 13.560 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.555
Then I find very few patterns in the guest's memory after 3 seconds 15.760 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 1.283
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.356
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 8.415
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 11.472
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.281
Then patterns cover at least 128 MiB in the guest's memory 9.880 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 23.861 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 5.024
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:48.012
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.016
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:14.740
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.319
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.556 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 3.776
After features/support/hooks.rb:100 0.016