Project Number Date
test_Tails_ISO_stable 5993 09 Dec 2025, 08:13

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 14:33.734 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
45.923
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.358
And I prepare Tails for memory erasure tests 0.462
When I start a process allocating 128 MiB of memory with a known pattern 2.306
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.315 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.192
Then I find very few patterns in the guest's memory after 5 seconds 19.286 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.254
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.954
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.120
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 14.628 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.908
Then patterns cover at least 99% of the test FS size in the guest's memory 15.566 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.481
Then I find very few patterns in the guest's memory after 3 seconds 17.775 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 3.114
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:29.420
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.024
Given I have started Tails from DVD without network and logged in 9.375
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.482
Then I find very few patterns in the guest's memory 13.985 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 75% of the test FS size in the guest's memory 33.467 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.084
Then I find very few patterns in the guest's memory after 3 seconds 35.659 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 0.196
And I read the content of the test FS 0.844
Then patterns cover at least 99% of the test FS size in the guest's memory 41.672 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.247
Then I find very few patterns in the guest's memory after 3 seconds 1:1.386 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 1.140
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:22.400
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.326
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.814
Then I find very few patterns in the guest's memory 17.920 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.628
Then patterns cover at least 99% of the test FS size in the guest's memory 18.311 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 27.831 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.841
And I read the content of the test FS 0.766
Then patterns cover at least 99% of the test FS size in the guest's memory 13.547 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 15.909 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 1.005
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.344
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.884
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 10.864
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.589
Then patterns cover at least 128 MiB in the guest's memory 10.782 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 22.800 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 4.065
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:59.690
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:26.397
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.370
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.495 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 4.012
After features/support/hooks.rb:100 0.014