Project Number Date
test_Tails_ISO_devel 3759 28 Mar 2025, 13:18

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 11:14.553 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
25.354
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 9.092
And I prepare Tails for memory erasure tests 0.534
When I start a process allocating 128 MiB of memory with a known pattern 2.537
Then patterns cover at least 128 MiB in the guest's memory 4.652 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.310
Then I find very few patterns in the guest's memory after 5 seconds 8.227 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.090
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 8.044
And I prepare Tails for memory erasure tests 0.650
And I find very few patterns in the guest's memory 3.681 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.487
Then patterns cover at least 99% of the test FS size in the guest's memory 4.316 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.782
Then I find very few patterns in the guest's memory after 3 seconds 6.127 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.781
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.494
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 8.701
And I prepare Tails for memory erasure tests 0.799
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.090
Then I find very few patterns in the guest's memory 3.666 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.294
Then patterns cover at least 75% of the test FS size in the guest's memory 4.289 
Pattern coverage: 87.253% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.047
Then I find very few patterns in the guest's memory after 3 seconds 6.754 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.273
And I read the content of the test FS 1.032
Then patterns cover at least 99% of the test FS size in the guest's memory 4.529 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 6.566 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.347
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 8.034
And I prepare Tails for memory erasure tests 0.713
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.135
Then I find very few patterns in the guest's memory 2.458 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.299
Then patterns cover at least 99% of the test FS size in the guest's memory 2.888 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 5.393 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.620
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 2.386 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.676
Then I find very few patterns in the guest's memory after 3 seconds 5.366 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.127
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 8.069
And I prepare Tails for memory erasure tests 0.510
When I fill a 128 MiB file with a known pattern on the root filesystem 17.468
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.124
Then patterns cover at least 128 MiB in the guest's memory 3.095 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.846 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.586
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.138
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 6:42.004
And I prepare Tails for memory erasure tests 0.944
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.770
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.402 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.010