Project Number Date
test_Tails_ISO_web-release-7.14 2 29 Sep 2026, 18:13

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 7:49.617 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
20.677
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 6.364
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 2.200
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.091 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.165
Then I find very few patterns in the guest's memory after 5 seconds 8.448 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.522
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.836
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 6.346
And I prepare Tails for memory erasure tests 0.381
And I find very few patterns in the guest's memory 2.655 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.368
Then patterns cover at least 99% of the test FS size in the guest's memory 2.813 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.348
Then I find very few patterns in the guest's memory after 3 seconds 5.922 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 1.016
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
41.903
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 6.346
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.229
Then I find very few patterns in the guest's memory 2.806 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.729
Then patterns cover at least 75% of the test FS size in the guest's memory 3.187 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.715
Then I find very few patterns in the guest's memory after 3 seconds 6.012 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
# read cache
When I mount the USB drive again 0.174
And I read the content of the test FS 0.585
Then patterns cover at least 99% of the test FS size in the guest's memory 5.152 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.425
Then I find very few patterns in the guest's memory after 3 seconds 8.221 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 0.802
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:6.097
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 6.410
And I prepare Tails for memory erasure tests 0.314
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.426
Then I find very few patterns in the guest's memory 3.572 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.378
Then patterns cover at least 99% of the test FS size in the guest's memory 3.352 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.778 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 4.102
And I read the content of the test FS 0.362
Then patterns cover at least 99% of the test FS size in the guest's memory 2.979 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 6.406 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.638
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.911
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 6.214
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the root filesystem 13.584
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.516
Then patterns cover at least 128 MiB in the guest's memory 2.509 
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 20.776 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 3.619
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:36.190
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:3.273
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.082
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 22.560 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 4.844
After features/support/hooks.rb:108 0.011