Project Number Date
test_Tails_ISO_stable 6618 01 Sep 2026, 07:30

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 7:32.364 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
20.533
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 6.419
And I prepare Tails for memory erasure tests 0.318
When I start a process allocating 128 MiB of memory with a known pattern 2.237
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.087 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.730
Then I find very few patterns in the guest's memory after 5 seconds 7.739 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.773
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.163
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 6.354
And I prepare Tails for memory erasure tests 0.239
And I find very few patterns in the guest's memory 2.642 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.442
Then patterns cover at least 99% of the test FS size in the guest's memory 3.244 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.806 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.568
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.664
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 6.341
And I prepare Tails for memory erasure tests 0.278
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.255
Then I find very few patterns in the guest's memory 2.652 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.775
Then patterns cover at least 75% of the test FS size in the guest's memory 3.075 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 5.705 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 0.176
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 2.921 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.714 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 0.507
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:11.090
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 6.358
And I prepare Tails for memory erasure tests 0.287
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.234
Then I find very few patterns in the guest's memory 4.111 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.367
Then patterns cover at least 99% of the test FS size in the guest's memory 4.821 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 7.405 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 3.999
And I read the content of the test FS 0.436
Then patterns cover at least 99% of the test FS size in the guest's memory 4.803 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.387
Then I find very few patterns in the guest's memory after 3 seconds 7.468 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.610
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.452
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 6.394
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 12.337
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.497
Then patterns cover at least 128 MiB in the guest's memory 2.111 
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 20.772 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:339 3.688
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.460
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 3:49.226
And I prepare Tails for memory erasure tests 0.273
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.785
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.170 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 3.743
After features/support/hooks.rb:108 0.011