Project Number Date
test_Tails_ISO_test-suite-tshark-leak-detection 10 18 Jun 2026, 12:29

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 7:22.009 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
18.645
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 6.663
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.284
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.975 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.557
Then I find very few patterns in the guest's memory after 5 seconds 6.745 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 0.527
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.233
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 6.533
And I prepare Tails for memory erasure tests 0.339
And I find very few patterns in the guest's memory 1.759 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.606
Then patterns cover at least 99% of the test FS size in the guest's memory 1.977 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.316
Then I find very few patterns in the guest's memory after 3 seconds 4.700 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:339 0.969
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.754
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 6.508
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.175
Then I find very few patterns in the guest's memory 1.799 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.529
Then patterns cover at least 75% of the test FS size in the guest's memory 2.023 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.739
Then I find very few patterns in the guest's memory after 3 seconds 4.901 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.420
Then patterns cover at least 99% of the test FS size in the guest's memory 1.977 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 4.787 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 1.088
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.155
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 6.458
And I prepare Tails for memory erasure tests 0.363
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.312
Then I find very few patterns in the guest's memory 1.783 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.496
Then patterns cover at least 99% of the test FS size in the guest's memory 1.761 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 4.678 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 3.662
And I read the content of the test FS 0.307
Then patterns cover at least 99% of the test FS size in the guest's memory 1.823 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 4.602 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.651
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
54.194
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 6.508
And I prepare Tails for memory erasure tests 0.354
When I fill a 128 MiB file with a known pattern on the root filesystem 23.400
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.996
Then patterns cover at least 128 MiB in the guest's memory 1.445 
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 20.484 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.384
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:25.025
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 3:44.915
And I prepare Tails for memory erasure tests 0.342
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.820
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.939 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:339 3.677
After features/support/hooks.rb:108 0.011