Project Number Date
test_Tails_ISO_devel 4534 07 Aug 2026, 11:19

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 7:51.562 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
22.576
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.705
And I prepare Tails for memory erasure tests 0.511
When I start a process allocating 128 MiB of memory with a known pattern 2.234
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.932 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.265
Then I find very few patterns in the guest's memory after 5 seconds 9.927 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.748
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.547
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.540
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 2.591 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.738
Then patterns cover at least 99% of the test FS size in the guest's memory 2.886 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.510
Then I find very few patterns in the guest's memory after 3 seconds 5.965 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.762
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.540
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.624
And I prepare Tails for memory erasure tests 0.314
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.329
Then I find very few patterns in the guest's memory 2.808 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.881
Then patterns cover at least 75% of the test FS size in the guest's memory 4.753 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.813
Then I find very few patterns in the guest's memory after 3 seconds 5.716 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.185
And I read the content of the test FS 0.729
Then patterns cover at least 99% of the test FS size in the guest's memory 3.121 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.683
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.948
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.622
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" 31.027
Then I find very few patterns in the guest's memory 2.953 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.414
Then patterns cover at least 99% of the test FS size in the guest's memory 2.934 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 5.646 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 4.282
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 2.840 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.541 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.791
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.104
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.425
And I prepare Tails for memory erasure tests 0.332
When I fill a 128 MiB file with a known pattern on the root filesystem 12.801
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.346
Then patterns cover at least 128 MiB in the guest's memory 2.356 
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 20.834 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 3.717
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:39.844
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:7.408
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.795
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.263 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 3.399
After features/support/hooks.rb:108 0.009