Project Number Date
test_Tails_ISO_devel 4102 05 Dec 2025, 23:14

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 26:39.406 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
56.017
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 9.593
And I prepare Tails for memory erasure tests 0.517
When I start a process allocating 128 MiB of memory with a known pattern 2.384
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 24.718 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 18.600 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 1.043
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.889
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 9.109
And I prepare Tails for memory erasure tests 0.508
And I find very few patterns in the guest's memory 14.252 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.961
Then patterns cover at least 99% of the test FS size in the guest's memory 15.422 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.467
Then I find very few patterns in the guest's memory after 3 seconds 35.167 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 6.384
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:9.731
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 19.357
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.610
Then I find very few patterns in the guest's memory 30.469 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.132
Then patterns cover at least 75% of the test FS size in the guest's memory 16.425 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 17.256 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.189
And I read the content of the test FS 0.751
Then patterns cover at least 99% of the test FS size in the guest's memory 15.723 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 16.970 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:28.694
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.641
And I prepare Tails for memory erasure tests 0.477
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.172
Then I find very few patterns in the guest's memory 14.260 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.124
Then patterns cover at least 99% of the test FS size in the guest's memory 12.774 
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 20.002 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 5.204
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 19.409 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 31.749 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 1.064
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.820
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 9.686
And I prepare Tails for memory erasure tests 0.613
When I fill a 128 MiB file with a known pattern on the root filesystem 10.823
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.557
Then patterns cover at least 128 MiB in the guest's memory 17.170 
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 23.958 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 4.315
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18:42.253
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 18:2.486
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 15.529
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.806 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 3.868
After features/support/hooks.rb:100 0.015