Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 9 13 Oct 2026, 05:59

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 7:24.990 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
20.448
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 6.504
And I prepare Tails for memory erasure tests 0.300
When I start a process allocating 128 MiB of memory with a known pattern 2.176
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.924 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.769
Then I find very few patterns in the guest's memory after 5 seconds 7.773 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.798
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.214
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 6.247
And I prepare Tails for memory erasure tests 0.294
And I find very few patterns in the guest's memory 2.700 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.690
Then patterns cover at least 99% of the test FS size in the guest's memory 3.053 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.497
Then I find very few patterns in the guest's memory after 3 seconds 5.730 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 1.040
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.362
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 6.246
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.387
Then I find very few patterns in the guest's memory 2.959 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.766
Then patterns cover at least 75% of the test FS size in the guest's memory 3.060 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.745
Then I find very few patterns in the guest's memory after 3 seconds 5.646 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
# read cache
When I mount the USB drive again 0.178
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 3.145 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 5.698 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.813
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.432
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.271
And I prepare Tails for memory erasure tests 0.327
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.959
Then I find very few patterns in the guest's memory 2.575 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.909
Then patterns cover at least 99% of the test FS size in the guest's memory 2.735 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 5.644 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 4.477
And I read the content of the test FS 0.368
Then patterns cover at least 99% of the test FS size in the guest's memory 3.599 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 5.422 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.833
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.577
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 6.275
And I prepare Tails for memory erasure tests 0.334
When I fill a 128 MiB file with a known pattern on the root filesystem 12.407
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.547
Then patterns cover at least 128 MiB in the guest's memory 2.230 
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 20.775 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 3.444
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:16.953
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 3:46.242
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.117
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.763
After features/support/hooks.rb:108 0.009