Project Number Date
test_Tails_ISO_devel 4372 03 May 2026, 10:53

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 7:15.662 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
16.851
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 6.569
And I prepare Tails for memory erasure tests 0.305
When I start a process allocating 128 MiB of memory with a known pattern 1.149
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.949 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.166
Then I find very few patterns in the guest's memory after 5 seconds 6.709 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.287
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.494
And I prepare Tails for memory erasure tests 0.345
And I find very few patterns in the guest's memory 1.838 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.516
Then patterns cover at least 99% of the test FS size in the guest's memory 1.907 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.316
Then I find very few patterns in the guest's memory after 3 seconds 4.867 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.127
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.383
And I prepare Tails for memory erasure tests 0.290
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.277
Then I find very few patterns in the guest's memory 1.707 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.219
Then patterns cover at least 75% of the test FS size in the guest's memory 1.934 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.631
Then I find very few patterns in the guest's memory after 3 seconds 4.977 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 1.967 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.377
Then I find very few patterns in the guest's memory after 3 seconds 4.734 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 0.650
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.933
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.417
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.990
Then I find very few patterns in the guest's memory 1.658 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.390
Then patterns cover at least 99% of the test FS size in the guest's memory 1.737 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 4.673 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 4.078
And I read the content of the test FS 0.304
Then patterns cover at least 99% of the test FS size in the guest's memory 1.832 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.399
Then I find very few patterns in the guest's memory after 3 seconds 4.574 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.218
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.394
And I prepare Tails for memory erasure tests 0.342
When I fill a 128 MiB file with a known pattern on the root filesystem 18.785
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.743
Then patterns cover at least 128 MiB in the guest's memory 1.451 
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 20.495 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 3.837
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:23.243
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:37.876
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.935
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.061 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 3.526
After features/support/hooks.rb:100 0.010