Project Number Date
test_Tails_ISO_stable 6119 04 Feb 2026, 13:34

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 7:21.153 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
18.822
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 6.966
And I prepare Tails for memory erasure tests 0.486
When I start a process allocating 128 MiB of memory with a known pattern 2.207
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.174 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 6.789 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.260
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 6.696
And I prepare Tails for memory erasure tests 0.700
And I find very few patterns in the guest's memory 2.060 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.239
Then patterns cover at least 99% of the test FS size in the guest's memory 1.976 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.803
Then I find very few patterns in the guest's memory after 3 seconds 4.785 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.954
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.943
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 6.658
And I prepare Tails for memory erasure tests 0.566
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.528
Then I find very few patterns in the guest's memory 2.107 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.787
Then patterns cover at least 75% of the test FS size in the guest's memory 1.978 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 4.865 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.148
And I read the content of the test FS 0.556
Then patterns cover at least 99% of the test FS size in the guest's memory 2.345 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.294
Then I find very few patterns in the guest's memory after 3 seconds 5.044 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.126
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 6.671
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.938
Then I find very few patterns in the guest's memory 1.713 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.967
Then patterns cover at least 99% of the test FS size in the guest's memory 1.718 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 4.667 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 4.345
And I read the content of the test FS 0.303
Then patterns cover at least 99% of the test FS size in the guest's memory 1.965 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.351
Then I find very few patterns in the guest's memory after 3 seconds 4.587 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.235
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 6.575
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the root filesystem 13.483
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.729
Then patterns cover at least 128 MiB in the guest's memory 1.536 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.520 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 3.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:22.765
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 3:51.517
And I prepare Tails for memory erasure tests 0.325
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.872
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.045 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
After features/support/hooks.rb:331 3.545
After features/support/hooks.rb:100 0.009