Project Number Date
test_Tails_ISO_devel 4101 05 Dec 2025, 07:01

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 14:25.570 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
49.926
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 9.484
And I prepare Tails for memory erasure tests 0.495
When I start a process allocating 128 MiB of memory with a known pattern 2.341
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 17.285 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.899
Then I find very few patterns in the guest's memory after 5 seconds 19.420 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 1.299
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.680
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 8.735
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 14.445 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.757
Then patterns cover at least 99% of the test FS size in the guest's memory 15.369 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.410
Then I find very few patterns in the guest's memory after 3 seconds 17.476 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.848
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:47.974
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 8.553
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.087
Then I find very few patterns in the guest's memory 19.156 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.838
Then patterns cover at least 75% of the test FS size in the guest's memory 32.164 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.818
Then I find very few patterns in the guest's memory after 3 seconds 35.260 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 0.228
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 41.996 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.460
Then I find very few patterns in the guest's memory after 3 seconds 17.369 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.116
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:32.306
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 8.811
And I prepare Tails for memory erasure tests 0.546
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.400
Then I find very few patterns in the guest's memory 14.046 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.886
Then patterns cover at least 99% of the test FS size in the guest's memory 14.168 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.793
Then I find very few patterns in the guest's memory after 3 seconds 17.190 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 4.310
And I read the content of the test FS 0.908
Then patterns cover at least 99% of the test FS size in the guest's memory 20.071 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory after 3 seconds 35.660 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.729
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 8.531
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 11.516
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.591
Then patterns cover at least 128 MiB in the guest's memory 12.508 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 23.128 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:17.952
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 5:44.571
And I prepare Tails for memory erasure tests 0.372
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.508
When I trigger shutdown 0.031
Then I find very few patterns in the guest's memory after 20 seconds 23.469 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 3.811
After features/support/hooks.rb:100 0.029