Project Number Date
test_Tails_ISO_devel 4613 13 Sep 2026, 11:11

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 7:17.560 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
19.420
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 6.154
And I prepare Tails for memory erasure tests 0.299
When I start a process allocating 128 MiB of memory with a known pattern 2.201
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.939 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.179
Then I find very few patterns in the guest's memory after 5 seconds 7.644 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.777
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.044
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 6.144
And I prepare Tails for memory erasure tests 0.304
And I find very few patterns in the guest's memory 2.593 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.354
Then patterns cover at least 99% of the test FS size in the guest's memory 2.834 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.336
Then I find very few patterns in the guest's memory after 3 seconds 5.476 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 0.684
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.935
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 6.201
And I prepare Tails for memory erasure tests 0.294
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.341
Then I find very few patterns in the guest's memory 2.840 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.394
Then patterns cover at least 75% of the test FS size in the guest's memory 2.940 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.618
Then I find very few patterns in the guest's memory after 3 seconds 5.650 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# read cache
When I mount the USB drive again 0.195
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 2.939 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.379
Then I find very few patterns in the guest's memory after 3 seconds 5.631 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.788
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.106
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 6.237
And I prepare Tails for memory erasure tests 0.304
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.228
Then I find very few patterns in the guest's memory 2.675 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.207
Then patterns cover at least 99% of the test FS size in the guest's memory 2.799 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 5.515 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# read cache
When I mount the USB drive again 3.770
And I read the content of the test FS 0.328
Then patterns cover at least 99% of the test FS size in the guest's memory 2.668 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.624
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.480
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 6.160
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the root filesystem 12.729
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.538
Then patterns cover at least 128 MiB in the guest's memory 2.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.732 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 3.502
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.572
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 3:47.622
And I prepare Tails for memory erasure tests 0.271
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.646
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.027 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.566
After features/support/hooks.rb:108 0.009