Project Number Date
test_Tails_ISO_devel 4242 19 Feb 2026, 12:05

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 7:27.807 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
18.699
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 6.695
And I prepare Tails for memory erasure tests 0.373
When I start a process allocating 128 MiB of memory with a known pattern 2.273
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.008 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.353
Then I find very few patterns in the guest's memory after 5 seconds 6.994 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 1.417
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
20.475
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 6.774
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 1.868 
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 3.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.128 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.872
Then I find very few patterns in the guest's memory after 3 seconds 4.963 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.832
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 6.657
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.322
Then I find very few patterns in the guest's memory 2.057 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.156
Then patterns cover at least 75% of the test FS size in the guest's memory 2.246 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.195
Then I find very few patterns in the guest's memory after 3 seconds 4.815 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.416
Then patterns cover at least 99% of the test FS size in the guest's memory 2.004 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.345
Then I find very few patterns in the guest's memory after 3 seconds 4.953 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.181
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.323
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 7.010
And I prepare Tails for memory erasure tests 0.340
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.071
Then I find very few patterns in the guest's memory 1.852 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.497
Then patterns cover at least 99% of the test FS size in the guest's memory 2.027 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 4.881 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 3.926
And I read the content of the test FS 0.270
Then patterns cover at least 99% of the test FS size in the guest's memory 1.712 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 4.568 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.257
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.988
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 6.830
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 13.461
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.266
Then patterns cover at least 128 MiB in the guest's memory 1.449 
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 20.561 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.614
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:28.488
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 3:57.126
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.050
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.982 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 3.747
After features/support/hooks.rb:100 0.016