Project Number Date
test_Tails_ISO_devel 3874 18 Jun 2025, 16:06

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 13:40.937 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
28.569
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 9.768
And I prepare Tails for memory erasure tests 0.571
When I start a process allocating 128 MiB of memory with a known pattern 2.607
Then patterns cover at least 128 MiB in the guest's memory 6.771 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.733
Then I find very few patterns in the guest's memory after 5 seconds 8.116 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.329
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.329
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 10.218
And I prepare Tails for memory erasure tests 0.530
And I find very few patterns in the guest's memory 3.726 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.643
Then patterns cover at least 99% of the test FS size in the guest's memory 3.136 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.338
Then I find very few patterns in the guest's memory after 3 seconds 7.734 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 2.219
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.353
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 10.214
And I prepare Tails for memory erasure tests 0.542
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.103
Then I find very few patterns in the guest's memory 3.266 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.392
Then patterns cover at least 75% of the test FS size in the guest's memory 3.504 
Pattern coverage: 89.138% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.173
Then I find very few patterns in the guest's memory after 3 seconds 8.876 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.459
And I read the content of the test FS 0.860
Then patterns cover at least 99% of the test FS size in the guest's memory 3.981 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 7.449 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 2.469
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.791
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 11.711
And I prepare Tails for memory erasure tests 0.660
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.168
Then I find very few patterns in the guest's memory 3.272 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.811
Then patterns cover at least 99% of the test FS size in the guest's memory 7.219 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.852
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 4.278
And I read the content of the test FS 0.668
Then patterns cover at least 99% of the test FS size in the guest's memory 6.701 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 5.878 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 2.032
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.282
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 9.593
And I prepare Tails for memory erasure tests 0.677
When I fill a 128 MiB file with a known pattern on the root filesystem 15.866
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.259
Then patterns cover at least 128 MiB in the guest's memory 3.927 
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 20.940 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:24.612
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 8:33.980
And I prepare Tails for memory erasure tests 0.712
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.278
When I trigger shutdown 0.037
Then I find very few patterns in the guest's memory after 20 seconds 21.604 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.903
After features/support/hooks.rb:100 0.138