Project Number Date
test_Tails_ISO_stable 6301 14 Apr 2026, 19:35

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 7:16.419 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
19.444
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 6.754
And I prepare Tails for memory erasure tests 0.533
When I start a process allocating 128 MiB of memory with a known pattern 2.372
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.497 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.394
Then I find very few patterns in the guest's memory after 5 seconds 6.890 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 0.815
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.818
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 6.744
And I prepare Tails for memory erasure tests 0.397
And I find very few patterns in the guest's memory 1.903 
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 1.594
Then patterns cover at least 99% of the test FS size in the guest's memory 2.214 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.395
Then I find very few patterns in the guest's memory after 3 seconds 5.569 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.436
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 6.798
And I prepare Tails for memory erasure tests 0.592
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.046
Then I find very few patterns in the guest's memory 2.149 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.097
Then patterns cover at least 75% of the test FS size in the guest's memory 2.077 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.781
Then I find very few patterns in the guest's memory after 3 seconds 5.103 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.159
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 2.518 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 5.069 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.886
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.011
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 6.569
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.569
Then I find very few patterns in the guest's memory 1.840 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.219
Then patterns cover at least 99% of the test FS size in the guest's memory 1.865 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 4.756 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 3.408
And I read the content of the test FS 0.302
Then patterns cover at least 99% of the test FS size in the guest's memory 2.247 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory after 3 seconds 5.704 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.292
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 6.929
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 13.108
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.782
Then patterns cover at least 128 MiB in the guest's memory 1.524 
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 20.537 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 3.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:21.415
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 3:49.709
And I prepare Tails for memory erasure tests 0.364
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.237
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.097 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.837
After features/support/hooks.rb:100 0.019