Project Number Date
test_Tails_ISO_devel 4567 25 Aug 2026, 11:12

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 7:16.750 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
19.439
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 6.321
And I prepare Tails for memory erasure tests 0.293
When I start a process allocating 128 MiB of memory with a known pattern 2.180
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.857 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.237
Then I find very few patterns in the guest's memory after 5 seconds 7.548 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.732
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.510
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 0.256
And I find very few patterns in the guest's memory 2.720 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.495
Then patterns cover at least 99% of the test FS size in the guest's memory 2.730 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.630 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.705
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
47.511
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 17.926
And I prepare Tails for memory erasure tests 0.286
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.244
Then I find very few patterns in the guest's memory 2.661 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.485
Then patterns cover at least 75% of the test FS size in the guest's memory 2.850 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.150
And I read the content of the test FS 0.594
Then patterns cover at least 99% of the test FS size in the guest's memory 2.777 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 5.641 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.724
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.764
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.192
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.228
Then I find very few patterns in the guest's memory 2.441 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.166
Then patterns cover at least 99% of the test FS size in the guest's memory 2.568 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 5.590 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 3.721
And I read the content of the test FS 0.347
Then patterns cover at least 99% of the test FS size in the guest's memory 2.714 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 5.461 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.938
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.811
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.208
And I prepare Tails for memory erasure tests 0.294
When I fill a 128 MiB file with a known pattern on the root filesystem 12.990
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.521
Then patterns cover at least 128 MiB in the guest's memory 2.104 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.686 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 3.724
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:6.712
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:35.633
And I prepare Tails for memory erasure tests 0.265
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.628
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.181 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:339 3.541
After features/support/hooks.rb:108 0.008