Project Number Date
test_Tails_ISO_post-7.15.1-release-process 3 24 Oct 2026, 19:29

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 7:41.352 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
21.961
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.202
And I prepare Tails for memory erasure tests 0.274
When I start a process allocating 128 MiB of memory with a known pattern 2.187
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.415 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.216
Then I find very few patterns in the guest's memory after 5 seconds 9.664 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.750
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
22.740
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.380
And I prepare Tails for memory erasure tests 0.364
And I find very few patterns in the guest's memory 3.873 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.637
Then patterns cover at least 99% of the test FS size in the guest's memory 3.763 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.398
Then I find very few patterns in the guest's memory after 3 seconds 6.324 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 0.992
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.788
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.434
And I prepare Tails for memory erasure tests 0.330
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.248
Then I find very few patterns in the guest's memory 3.479 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.644
Then patterns cover at least 75% of the test FS size in the guest's memory 3.014 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 5.776 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# read cache
When I mount the USB drive again 0.176
And I read the content of the test FS 0.595
Then patterns cover at least 99% of the test FS size in the guest's memory 3.124 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.507
Then I find very few patterns in the guest's memory after 3 seconds 5.800 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 0.912
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:8.464
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 7.000
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.822
Then I find very few patterns in the guest's memory 2.882 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.135
Then patterns cover at least 99% of the test FS size in the guest's memory 2.871 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 5.530 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 3.460
And I read the content of the test FS 0.323
Then patterns cover at least 99% of the test FS size in the guest's memory 2.669 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.486 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.808
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.747
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.407
And I prepare Tails for memory erasure tests 0.331
When I fill a 128 MiB file with a known pattern on the root filesystem 12.569
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.434
Then patterns cover at least 128 MiB in the guest's memory 2.227 
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 20.772 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 3.797
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:26.650
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.679
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 9.480
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 1449 MiB reference memory)
After features/support/hooks.rb:339 3.546
After features/support/hooks.rb:108 0.011