Project Number Date
test_Tails_ISO_21461-update-chutney 18 09 Aug 2026, 22:19

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 7:25.720 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
20.444
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 6.459
And I prepare Tails for memory erasure tests 0.336
When I start a process allocating 128 MiB of memory with a known pattern 2.178
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.088 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.733
Then I find very few patterns in the guest's memory after 5 seconds 7.649 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.753
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.643
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 6.275
And I prepare Tails for memory erasure tests 0.259
And I find very few patterns in the guest's memory 2.671 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.524
Then patterns cover at least 99% of the test FS size in the guest's memory 2.866 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.412
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.626
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.873
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 6.332
And I prepare Tails for memory erasure tests 0.287
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.491
Then I find very few patterns in the guest's memory 2.814 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.747
Then patterns cover at least 75% of the test FS size in the guest's memory 3.109 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 5.577 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 0.212
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 2.825 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 5.771 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 0.889
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.091
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 6.284
And I prepare Tails for memory erasure tests 0.263
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.549
Then I find very few patterns in the guest's memory 2.577 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.385
Then patterns cover at least 99% of the test FS size in the guest's memory 2.885 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 5.455 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 4.032
And I read the content of the test FS 0.348
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 5.501 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.684
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.034
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 6.367
And I prepare Tails for memory erasure tests 0.309
When I fill a 128 MiB file with a known pattern on the root filesystem 12.634
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.753
Then patterns cover at least 128 MiB in the guest's memory 2.201 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.503
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:23.632
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 3:51.902
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.322
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.122 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.516
After features/support/hooks.rb:108 0.009