Project Number Date
test_Tails_ISO_devel 4162 13 Jan 2026, 16:27

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 12:53.139 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
46.259
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 8.164
And I prepare Tails for memory erasure tests 0.380
When I start a process allocating 128 MiB of memory with a known pattern 2.264
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.617 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 5 seconds 19.582 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.233
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.768
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 8.248
And I prepare Tails for memory erasure tests 0.383
And I find very few patterns in the guest's memory 14.418 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.914
Then patterns cover at least 99% of the test FS size in the guest's memory 15.609 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.358
Then I find very few patterns in the guest's memory after 3 seconds 17.833 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.683
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:49.847
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 8.208
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.326
Then I find very few patterns in the guest's memory 14.274 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.161
Then patterns cover at least 75% of the test FS size in the guest's memory 15.661 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.363
Then I find very few patterns in the guest's memory after 3 seconds 16.963 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.186
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 14.896 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 27.334 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.162
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:9.041
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 8.185
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.309
Then I find very few patterns in the guest's memory 23.407 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.719
Then patterns cover at least 99% of the test FS size in the guest's memory 13.140 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.649
Then I find very few patterns in the guest's memory after 3 seconds 16.224 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 4.399
And I read the content of the test FS 0.409
Then patterns cover at least 99% of the test FS size in the guest's memory 14.115 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.548
Then I find very few patterns in the guest's memory after 3 seconds 15.526 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.266
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.659
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 8.069
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 11.481
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.257
Then patterns cover at least 128 MiB in the guest's memory 9.888 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 24.550 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 3.853
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:10.563
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 5:32.468
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.064
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 27.644 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:331 4.447
After features/support/hooks.rb:100 0.157