Project Number Date
test_Tails_ISO_devel 4614 14 Sep 2026, 11:14

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 7:28.126 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
19.743
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 6.346
And I prepare Tails for memory erasure tests 0.300
When I start a process allocating 128 MiB of memory with a known pattern 2.214
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.880 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.214
Then I find very few patterns in the guest's memory after 5 seconds 7.786 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
After features/support/hooks.rb:339 0.960
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.933
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.197
And I prepare Tails for memory erasure tests 0.317
And I find very few patterns in the guest's memory 2.671 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.506
Then patterns cover at least 99% of the test FS size in the guest's memory 3.158 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.476
Then I find very few patterns in the guest's memory after 3 seconds 6.604 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 0.825
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.771
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 6.831
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.732
Then I find very few patterns in the guest's memory 3.017 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.716
Then patterns cover at least 75% of the test FS size in the guest's memory 3.276 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 6.084 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
# read cache
When I mount the USB drive again 0.173
And I read the content of the test FS 0.604
Then patterns cover at least 99% of the test FS size in the guest's memory 3.085 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 5.762 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 0.967
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:11.916
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 17.924
And I prepare Tails for memory erasure tests 0.312
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.947
Then I find very few patterns in the guest's memory 2.930 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.298
Then patterns cover at least 99% of the test FS size in the guest's memory 2.900 
Pattern coverage: 106.115% (97 MiB out of 91 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 5.562 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
# read cache
When I mount the USB drive again 3.301
And I read the content of the test FS 0.374
Then patterns cover at least 99% of the test FS size in the guest's memory 2.650 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.785 
Pattern coverage: 0.000% (0 MiB out of 1387 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.702
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.384
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 13.436
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.609
Then patterns cover at least 128 MiB in the guest's memory 2.203 
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 20.731 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
After features/support/hooks.rb:339 3.850
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.060
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 3:40.977
And I prepare Tails for memory erasure tests 0.260
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.670
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.146 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 3.591
After features/support/hooks.rb:108 0.062