Project Number Date
test_Tails_ISO_21720-less-error-prone-emergency-release 6 23 Aug 2026, 13:35

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 7:44.349 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
19.951
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 6.178
And I prepare Tails for memory erasure tests 0.308
When I start a process allocating 128 MiB of memory with a known pattern 2.229
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.193 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.231
Then I find very few patterns in the guest's memory after 5 seconds 7.809 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 0.774
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.234
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 6.275
And I prepare Tails for memory erasure tests 0.429
And I find very few patterns in the guest's memory 2.837 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.635
Then patterns cover at least 99% of the test FS size in the guest's memory 3.019 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.601 
Pattern coverage: 0.000% (0 MiB out of 1452 MiB reference memory)
After features/support/hooks.rb:339 0.985
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
50.672
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 18.381
And I prepare Tails for memory erasure tests 0.334
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.273
Then I find very few patterns in the guest's memory 2.884 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.015
Then patterns cover at least 75% of the test FS size in the guest's memory 3.463 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.943
Then I find very few patterns in the guest's memory after 3 seconds 5.967 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# read cache
When I mount the USB drive again 0.173
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 3.019 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.453
Then I find very few patterns in the guest's memory after 3 seconds 6.167 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 0.647
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:8.772
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 6.810
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.087
Then I find very few patterns in the guest's memory 3.243 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.508
Then patterns cover at least 99% of the test FS size in the guest's memory 2.633 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory after 3 seconds 6.051 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# read cache
When I mount the USB drive again 4.348
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 2.621 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 5.541 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 1.015
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.645
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.586
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the root filesystem 12.501
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.786
Then patterns cover at least 128 MiB in the guest's memory 2.121 
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 21.284 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 3.751
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.072
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 3:48.724
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 9.843
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.227 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
After features/support/hooks.rb:339 3.638
After features/support/hooks.rb:108 0.026