Project Number Date
test_Tails_ISO_test-suite-tshark-leak-detection 9 17 Jun 2026, 19:02

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 7:44.383 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
18.710
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 6.573
And I prepare Tails for memory erasure tests 0.321
When I start a process allocating 128 MiB of memory with a known pattern 2.378
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.064 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.643
Then I find very few patterns in the guest's memory after 5 seconds 6.729 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:339 1.037
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.089
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 6.548
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 2.207 
Pattern coverage: 0.000% (0 MiB out of 1533 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.621
Then patterns cover at least 99% of the test FS size in the guest's memory 2.246 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.292
Then I find very few patterns in the guest's memory after 3 seconds 4.793 
Pattern coverage: 0.000% (0 MiB out of 1533 MiB reference memory)
After features/support/hooks.rb:339 0.685
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.475
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 6.591
And I prepare Tails for memory erasure tests 0.353
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.490
Then I find very few patterns in the guest's memory 1.833 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.603
Then patterns cover at least 75% of the test FS size in the guest's memory 2.099 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 4.675 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
# read cache
When I mount the USB drive again 0.186
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 2.251 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.381
Then I find very few patterns in the guest's memory after 3 seconds 4.866 
Pattern coverage: 0.000% (0 MiB out of 1530 MiB reference memory)
After features/support/hooks.rb:339 0.814
After features/support/hooks.rb:108 0.006
Tags: @product @slow @not_release_blocker
58.150
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 6.610
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.698
Then I find very few patterns in the guest's memory 2.171 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.476
Then patterns cover at least 99% of the test FS size in the guest's memory 1.777 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 4.773 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
# read cache
When I mount the USB drive again 3.892
And I read the content of the test FS 0.342
Then patterns cover at least 99% of the test FS size in the guest's memory 1.844 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.383
Then I find very few patterns in the guest's memory after 3 seconds 5.297 
Pattern coverage: 0.000% (0 MiB out of 1522 MiB reference memory)
After features/support/hooks.rb:339 0.633
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
52.516
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 6.562
And I prepare Tails for memory erasure tests 0.332
When I fill a 128 MiB file with a known pattern on the root filesystem 21.422
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.065
Then patterns cover at least 128 MiB in the guest's memory 1.562 
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 20.566 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:339 3.516
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:44.439
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 4:3.970
And I prepare Tails for memory erasure tests 0.348
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.060
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.054 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.816
After features/support/hooks.rb:108 0.020