Project Number Date
test_Tails_ISO_devel 4126 17 Dec 2025, 21:08

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 13:18.810 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
53.900
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 8.508
And I prepare Tails for memory erasure tests 0.511
When I start a process allocating 128 MiB of memory with a known pattern 2.428
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.404 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.909
Then I find very few patterns in the guest's memory after 5 seconds 26.138 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 1.044
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.678
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 8.575
And I prepare Tails for memory erasure tests 0.403
And I find very few patterns in the guest's memory 13.357 
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 1.722
Then patterns cover at least 99% of the test FS size in the guest's memory 16.196 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.424
Then I find very few patterns in the guest's memory after 3 seconds 24.997 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.897
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:50.480
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 8.560
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.527
Then I find very few patterns in the guest's memory 14.075 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.527
Then patterns cover at least 75% of the test FS size in the guest's memory 16.504 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.087
Then I find very few patterns in the guest's memory after 3 seconds 17.379 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 18.701 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.225
Then I find very few patterns in the guest's memory after 3 seconds 22.634 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 1.051
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:23.409
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 8.376
And I prepare Tails for memory erasure tests 0.416
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.738
Then I find very few patterns in the guest's memory 14.235 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.913
Then patterns cover at least 99% of the test FS size in the guest's memory 14.274 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.679
Then I find very few patterns in the guest's memory after 3 seconds 27.359 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 3.898
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 17.898 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 23.635 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.868
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.541
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 8.361
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 10.935
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.928
Then patterns cover at least 128 MiB in the guest's memory 10.075 
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 22.813 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 3.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:9.800
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:36.487
And I prepare Tails for memory erasure tests 0.355
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.349
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.597 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 3.816
After features/support/hooks.rb:100 0.012