Project Number Date
test_Tails_ISO_21546-release-process-fix-isos-git 2 07 May 2026, 23:36

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 7:36.714 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
17.630
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 6.950
And I prepare Tails for memory erasure tests 0.365
When I start a process allocating 128 MiB of memory with a known pattern 1.210
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.059 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.201
Then I find very few patterns in the guest's memory after 5 seconds 6.842 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 0.592
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.392
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 7.014
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 1.937 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.801
Then patterns cover at least 99% of the test FS size in the guest's memory 2.062 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.331
Then I find very few patterns in the guest's memory after 3 seconds 4.835 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.424
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 6.864
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.352
Then I find very few patterns in the guest's memory 1.743 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.545
Then patterns cover at least 75% of the test FS size in the guest's memory 1.976 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory after 3 seconds 4.904 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.145
And I read the content of the test FS 0.494
Then patterns cover at least 99% of the test FS size in the guest's memory 1.985 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.393
Then I find very few patterns in the guest's memory after 3 seconds 4.897 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 0.891
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.601
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 6.557
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.373
Then I find very few patterns in the guest's memory 1.742 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.260
Then patterns cover at least 99% of the test FS size in the guest's memory 1.694 
Pattern coverage: 106.115% (97 MiB out of 91 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 4.667 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 3.865
And I read the content of the test FS 0.307
Then patterns cover at least 99% of the test FS size in the guest's memory 1.981 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 4.815 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.386
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 6.471
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the root filesystem 25.219
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.077
Then patterns cover at least 128 MiB in the guest's memory 1.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.542 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 3.730
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:34.279
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 3:55.706
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.285
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.974 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 3.529
After features/support/hooks.rb:100 0.010