Project Number Date
test_Tails_ISO_test-suite-tshark-leak-detection 3 16 Jun 2026, 17:40

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 7:39.328 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
17.117
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 6.617
And I prepare Tails for memory erasure tests 0.365
When I start a process allocating 128 MiB of memory with a known pattern 1.163
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.865 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.187
Then I find very few patterns in the guest's memory after 5 seconds 6.917 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:339 0.815
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.704
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 6.755
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 1.873 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.574
Then patterns cover at least 99% of the test FS size in the guest's memory 1.887 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 4.911 
Pattern coverage: 0.000% (0 MiB out of 1540 MiB reference memory)
After features/support/hooks.rb:339 1.102
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.772
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 6.983
And I prepare Tails for memory erasure tests 0.371
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.254
Then I find very few patterns in the guest's memory 1.755 
Pattern coverage: 0.000% (0 MiB out of 1545 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.618
Then patterns cover at least 75% of the test FS size in the guest's memory 2.141 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 4.819 
Pattern coverage: 0.000% (0 MiB out of 1545 MiB reference memory)
# read cache
When I mount the USB drive again 0.172
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 2.245 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 4.792 
Pattern coverage: 0.000% (0 MiB out of 1545 MiB reference memory)
After features/support/hooks.rb:339 1.059
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.544
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 6.661
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.779
Then I find very few patterns in the guest's memory 1.607 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.328
Then patterns cover at least 99% of the test FS size in the guest's memory 1.759 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 4.649 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
# read cache
When I mount the USB drive again 4.503
And I read the content of the test FS 0.285
Then patterns cover at least 99% of the test FS size in the guest's memory 1.929 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 4.682 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:339 0.760
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.050
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 6.468
And I prepare Tails for memory erasure tests 0.340
When I fill a 128 MiB file with a known pattern on the root filesystem 25.215
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.882
Then patterns cover at least 128 MiB in the guest's memory 1.545 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.575 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:339 3.520
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:38.139
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 3:55.914
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.868
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 21.007 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:339 3.590
After features/support/hooks.rb:108 0.043