Project Number Date
test_Tails_ISO_21461-update-chutney 12 02 Aug 2026, 22:26

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 7:31.853 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
17.734
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 6.577
And I prepare Tails for memory erasure tests 0.365
When I start a process allocating 128 MiB of memory with a known pattern 2.188
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.788 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.188
Then I find very few patterns in the guest's memory after 5 seconds 6.625 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 1.151
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
16.977
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 6.684
And I prepare Tails for memory erasure tests 0.348
And I find very few patterns in the guest's memory 1.653 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.499
Then patterns cover at least 99% of the test FS size in the guest's memory 1.853 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.273
Then I find very few patterns in the guest's memory after 3 seconds 4.664 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 0.762
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.486
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 6.472
And I prepare Tails for memory erasure tests 0.321
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.196
Then I find very few patterns in the guest's memory 1.741 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.544
Then patterns cover at least 75% of the test FS size in the guest's memory 1.877 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.815
Then I find very few patterns in the guest's memory after 3 seconds 4.902 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# read cache
When I mount the USB drive again 0.154
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 2.038 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.325
Then I find very few patterns in the guest's memory after 3 seconds 4.670 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.803
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.117
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 6.517
And I prepare Tails for memory erasure tests 0.298
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.430
Then I find very few patterns in the guest's memory 1.653 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.309
Then patterns cover at least 99% of the test FS size in the guest's memory 1.838 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.539
Then I find very few patterns in the guest's memory after 3 seconds 4.555 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# read cache
When I mount the USB drive again 4.425
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 1.885 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 4.662 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.766
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
51.680
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 6.506
And I prepare Tails for memory erasure tests 0.347
When I fill a 128 MiB file with a known pattern on the root filesystem 21.179
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.717
Then patterns cover at least 128 MiB in the guest's memory 1.442 
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 20.482 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:339 3.510
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:36.856
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 3:48.629
And I prepare Tails for memory erasure tests 0.283
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.028
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.910 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 3.501
After features/support/hooks.rb:108 0.010