Project Number Date
test_Tails_ISO_stable 6000 10 Dec 2025, 22:15

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 14:3.121 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
48.039
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 10.385
And I prepare Tails for memory erasure tests 0.645
When I start a process allocating 128 MiB of memory with a known pattern 1.200
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.996 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.263
Then I find very few patterns in the guest's memory after 5 seconds 19.547 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 1.000
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.516
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 9.192
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 21.230 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.800
Then patterns cover at least 99% of the test FS size in the guest's memory 14.951 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.401
Then I find very few patterns in the guest's memory after 3 seconds 16.532 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 1.029
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:41.516
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 8.404
And I prepare Tails for memory erasure tests 0.589
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.065
Then I find very few patterns in the guest's memory 13.996 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.743
Then patterns cover at least 75% of the test FS size in the guest's memory 15.993 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.930
Then I find very few patterns in the guest's memory after 3 seconds 17.232 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.191
And I read the content of the test FS 0.700
Then patterns cover at least 99% of the test FS size in the guest's memory 15.674 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 17.574 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:59.296
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 8.267
And I prepare Tails for memory erasure tests 0.616
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.220
Then I find very few patterns in the guest's memory 13.662 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.934
Then patterns cover at least 99% of the test FS size in the guest's memory 29.453 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.871
Then I find very few patterns in the guest's memory after 3 seconds 31.096 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# read cache
When I mount the USB drive again 4.731
And I read the content of the test FS 0.642
Then patterns cover at least 99% of the test FS size in the guest's memory 37.537 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.589
Then I find very few patterns in the guest's memory after 3 seconds 20.671 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.830
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 8.370
And I prepare Tails for memory erasure tests 0.756
When I fill a 128 MiB file with a known pattern on the root filesystem 11.012
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.725
Then patterns cover at least 128 MiB in the guest's memory 10.101 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 22.847 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 4.096
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:33.923
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 6:0.362
And I prepare Tails for memory erasure tests 0.357
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.395
When I trigger shutdown 0.024
Then I find very few patterns in the guest's memory after 20 seconds 23.782 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 3.773
After features/support/hooks.rb:100 0.033