Project Number Date
test_Tails_ISO_test-suite-tshark-leak-detection 5 17 Jun 2026, 10:56

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 8:7.046 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
18.167
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 7.073
And I prepare Tails for memory erasure tests 0.344
When I start a process allocating 128 MiB of memory with a known pattern 1.168
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.007 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.198
Then I find very few patterns in the guest's memory after 5 seconds 7.375 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.664
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.201
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 6.917
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 1.901 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.500
Then patterns cover at least 99% of the test FS size in the guest's memory 2.108 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.307
Then I find very few patterns in the guest's memory after 3 seconds 5.043 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 1.105
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.973
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 7.116
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.186
Then I find very few patterns in the guest's memory 1.908 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.488
Then patterns cover at least 75% of the test FS size in the guest's memory 2.642 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.740
Then I find very few patterns in the guest's memory after 3 seconds 5.390 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.147
And I read the content of the test FS 0.525
Then patterns cover at least 99% of the test FS size in the guest's memory 2.096 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.375
Then I find very few patterns in the guest's memory after 3 seconds 4.881 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.874
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.330
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 6.763
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.235
Then I find very few patterns in the guest's memory 1.708 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.317
Then patterns cover at least 99% of the test FS size in the guest's memory 2.059 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory after 3 seconds 4.902 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 3.993
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 1.994 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 4.670 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.990
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.350
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 6.995
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 28.672
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.951
Then patterns cover at least 128 MiB in the guest's memory 1.617 
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 20.675 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.991
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:58.022
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:14.957
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.765
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.970 
Pattern coverage: 0.000% (0 MiB out of 1527 MiB reference memory)
After features/support/hooks.rb:339 3.806
After features/support/hooks.rb:108 0.027