Project Number Date
test_Tails_ISO_stable 5658 19 May 2025, 16:19

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 12:41.972 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
26.400
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 8.856
And I prepare Tails for memory erasure tests 0.619
When I start a process allocating 128 MiB of memory with a known pattern 2.704
Then patterns cover at least 128 MiB in the guest's memory 4.604 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.637
Then I find very few patterns in the guest's memory after 5 seconds 8.976 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.279
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.784
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.304
And I prepare Tails for memory erasure tests 0.727
And I find very few patterns in the guest's memory 4.004 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.784
Then patterns cover at least 99% of the test FS size in the guest's memory 4.441 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.661
Then I find very few patterns in the guest's memory after 3 seconds 6.860 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.621
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 10.310
And I prepare Tails for memory erasure tests 0.604
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.088
Then I find very few patterns in the guest's memory 3.701 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.097
Then patterns cover at least 75% of the test FS size in the guest's memory 4.365 
Pattern coverage: 87.899% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 6.751 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.350
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 4.430 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.311
Then I find very few patterns in the guest's memory after 3 seconds 7.113 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.785
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:42.233
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 23.506
And I prepare Tails for memory erasure tests 0.581
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.184
Then I find very few patterns in the guest's memory 3.627 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.054
Then patterns cover at least 99% of the test FS size in the guest's memory 6.844 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.957
Then I find very few patterns in the guest's memory after 3 seconds 6.183 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 4.038
And I read the content of the test FS 0.653
Then patterns cover at least 99% of the test FS size in the guest's memory 3.431 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.918
Then I find very few patterns in the guest's memory after 3 seconds 6.251 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 1.328
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.596
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 8.445
And I prepare Tails for memory erasure tests 0.549
When I fill a 128 MiB file with a known pattern on the root filesystem 16.389
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.127
Then patterns cover at least 128 MiB in the guest's memory 3.044 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.022 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.641
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:21.335
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 7:35.321
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.121
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.425 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.554
After features/support/hooks.rb:100 0.010