Project Number Date
test_Tails_ISO_devel 4680 19 Oct 2026, 11:22

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 7:13.236 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
20.093
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 6.451
And I prepare Tails for memory erasure tests 0.349
When I start a process allocating 128 MiB of memory with a known pattern 2.183
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.022 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.197
Then I find very few patterns in the guest's memory after 5 seconds 7.888 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.600
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.554
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 6.231
And I prepare Tails for memory erasure tests 0.315
And I find very few patterns in the guest's memory 2.910 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.439
Then patterns cover at least 99% of the test FS size in the guest's memory 2.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.390
Then I find very few patterns in the guest's memory after 3 seconds 5.624 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.601
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.182
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 6.286
And I prepare Tails for memory erasure tests 0.316
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.235
Then I find very few patterns in the guest's memory 2.786 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.665
Then patterns cover at least 75% of the test FS size in the guest's memory 3.237 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.449 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.154
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 2.920 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 5.463 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.961
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.332
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 6.641
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.970
Then I find very few patterns in the guest's memory 2.509 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.050
Then patterns cover at least 99% of the test FS size in the guest's memory 2.920 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 5.541 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
# read cache
When I mount the USB drive again 3.624
And I read the content of the test FS 0.368
Then patterns cover at least 99% of the test FS size in the guest's memory 2.595 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.857 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.904
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.057
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 6.232
And I prepare Tails for memory erasure tests 0.279
When I fill a 128 MiB file with a known pattern on the root filesystem 13.118
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.426
Then patterns cover at least 128 MiB in the guest's memory 2.264 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.729 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 3.481
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.017
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 3:40.503
And I prepare Tails for memory erasure tests 0.308
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.120
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.080 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.667
After features/support/hooks.rb:108 0.028