Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 65 08 Aug 2026, 07:59

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 7:28.627 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
19.816
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.014
Given I have started Tails from DVD without network and logged in 6.115
And I prepare Tails for memory erasure tests 0.320
When I start a process allocating 128 MiB of memory with a known pattern 2.236
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.815 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.742
Then I find very few patterns in the guest's memory after 5 seconds 7.585 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.931
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.440
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 6.195
And I prepare Tails for memory erasure tests 0.307
And I find very few patterns in the guest's memory 2.770 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.227
Then patterns cover at least 99% of the test FS size in the guest's memory 2.839 
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 5.775 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
After features/support/hooks.rb:339 0.763
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.903
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 6.431
And I prepare Tails for memory erasure tests 0.322
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.136
Then I find very few patterns in the guest's memory 2.599 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.549
Then patterns cover at least 75% of the test FS size in the guest's memory 2.965 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 5.615 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.564
Then patterns cover at least 99% of the test FS size in the guest's memory 2.832 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 0.859
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:17.269
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 17.985
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" 28.260
Then I find very few patterns in the guest's memory 2.514 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.287
Then patterns cover at least 99% of the test FS size in the guest's memory 2.706 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.533
Then I find very few patterns in the guest's memory after 3 seconds 6.693 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
# read cache
When I mount the USB drive again 3.682
And I read the content of the test FS 0.519
Then patterns cover at least 99% of the test FS size in the guest's memory 4.757 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 7.546 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:339 1.006
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.311
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 6.174
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the root filesystem 12.699
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.460
Then patterns cover at least 128 MiB in the guest's memory 2.898 
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 20.736 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.774
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:11.886
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:39.907
And I prepare Tails for memory erasure tests 0.232
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.762
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.980 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 3.707
After features/support/hooks.rb:108 0.008