Project Number Date
test_Tails_ISO_devel 4541 11 Aug 2026, 11:15

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 7:16.410 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
20.050
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 6.221
And I prepare Tails for memory erasure tests 0.358
When I start a process allocating 128 MiB of memory with a known pattern 2.206
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.911 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.724
Then I find very few patterns in the guest's memory after 5 seconds 7.628 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 0.679
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.681
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 6.316
And I prepare Tails for memory erasure tests 0.296
And I find very few patterns in the guest's memory 2.659 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.486
Then patterns cover at least 99% of the test FS size in the guest's memory 2.847 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.346
Then I find very few patterns in the guest's memory after 3 seconds 5.728 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 1.049
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.266
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 6.470
And I prepare Tails for memory erasure tests 0.310
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.219
Then I find very few patterns in the guest's memory 2.651 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.520
Then patterns cover at least 75% of the test FS size in the guest's memory 3.034 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.712 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 2.835 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 5.657 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 1.034
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.175
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 6.278
And I prepare Tails for memory erasure tests 0.311
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.504
Then I find very few patterns in the guest's memory 2.635 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.311
Then patterns cover at least 99% of the test FS size in the guest's memory 2.718 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.534
Then I find very few patterns in the guest's memory after 3 seconds 5.515 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 4.174
And I read the content of the test FS 0.288
Then patterns cover at least 99% of the test FS size in the guest's memory 2.773 
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 6.708 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.599
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.082
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 6.446
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the root filesystem 11.754
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.545
Then patterns cover at least 128 MiB in the guest's memory 2.183 
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 20.828 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 3.460
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.153
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 3:43.626
And I prepare Tails for memory erasure tests 0.313
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.118
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.090 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:339 3.471
After features/support/hooks.rb:108 0.008