Project Number Date
test_Tails_ISO_devel 4574 28 Aug 2026, 07:29

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 7:5.566 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
19.982
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 6.180
And I prepare Tails for memory erasure tests 0.290
When I start a process allocating 128 MiB of memory with a known pattern 2.171
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.945 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.694
Then I find very few patterns in the guest's memory after 5 seconds 7.699 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.728
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.216
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 6.120
And I prepare Tails for memory erasure tests 0.311
And I find very few patterns in the guest's memory 2.485 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.465
Then patterns cover at least 99% of the test FS size in the guest's memory 2.794 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.378
Then I find very few patterns in the guest's memory after 3 seconds 5.660 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.935
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.724
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 6.241
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.121
Then I find very few patterns in the guest's memory 2.645 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.467
Then patterns cover at least 75% of the test FS size in the guest's memory 2.993 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 5.669 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 0.156
And I read the content of the test FS 0.650
Then patterns cover at least 99% of the test FS size in the guest's memory 2.813 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 5.560 
Pattern coverage: 0.000% (0 MiB out of 1484 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
59.599
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 6.331
And I prepare Tails for memory erasure tests 0.286
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.987
Then I find very few patterns in the guest's memory 2.518 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.119
Then patterns cover at least 99% of the test FS size in the guest's memory 2.679 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 5.438 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 4.174
And I read the content of the test FS 0.326
Then patterns cover at least 99% of the test FS size in the guest's memory 2.566 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 5.397 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 0.641
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.097
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 6.336
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the root filesystem 13.261
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.448
Then patterns cover at least 128 MiB in the guest's memory 2.031 
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 20.744 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 3.439
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:6.946
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 3:35.426
And I prepare Tails for memory erasure tests 0.244
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.267
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.002 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
After features/support/hooks.rb:339 3.653
After features/support/hooks.rb:108 0.009