Project Number Date
test_Tails_ISO_stable 5955 15 Nov 2025, 08:35

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 14:22.103 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
47.258
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 9.424
And I prepare Tails for memory erasure tests 0.522
When I start a process allocating 128 MiB of memory with a known pattern 2.267
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.733 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.271
Then I find very few patterns in the guest's memory after 5 seconds 19.039 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
After features/support/hooks.rb:331 0.718
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.640
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 8.579
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 14.193 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.807
Then patterns cover at least 99% of the test FS size in the guest's memory 15.015 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.408
Then I find very few patterns in the guest's memory after 3 seconds 17.211 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.038
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 8.514
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.933
Then I find very few patterns in the guest's memory 14.556 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.533
Then patterns cover at least 75% of the test FS size in the guest's memory 16.168 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.963
Then I find very few patterns in the guest's memory after 3 seconds 17.333 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
And I read the content of the test FS 0.711
Then patterns cover at least 99% of the test FS size in the guest's memory 15.178 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 17.082 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 0.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:24.106
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 8.617
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.866
Then I find very few patterns in the guest's memory 13.501 
Pattern coverage: 0.000% (0 MiB out of 1500 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 30.640 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.781
Then I find very few patterns in the guest's memory after 3 seconds 17.061 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 4.476
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 13.603 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 20.362 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.127
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.836
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 8.737
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the root filesystem 10.979
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.537
Then patterns cover at least 128 MiB in the guest's memory 9.966 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 23.065 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 4.186
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.221
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:2.114
And I prepare Tails for memory erasure tests 0.371
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.780
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 23.940 
Pattern coverage: 0.000% (0 MiB out of 1554 MiB reference memory)
After features/support/hooks.rb:331 3.969
After features/support/hooks.rb:100 0.015