Project Number Date
test_Tails_ISO_stable 5652 17 May 2025, 08:55

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 12:11.507 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
24.105
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 8.878
And I prepare Tails for memory erasure tests 0.896
When I start a process allocating 128 MiB of memory with a known pattern 1.303
Then patterns cover at least 128 MiB in the guest's memory 4.093 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory after 5 seconds 8.660 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.450
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 8.212
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.672 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.640
Then patterns cover at least 99% of the test FS size in the guest's memory 4.210 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.412
Then I find very few patterns in the guest's memory after 3 seconds 7.877 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.853
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.482
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 8.757
And I prepare Tails for memory erasure tests 0.670
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.032
Then I find very few patterns in the guest's memory 3.776 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.826
Then patterns cover at least 75% of the test FS size in the guest's memory 3.736 
Pattern coverage: 87.537% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.017
Then I find very few patterns in the guest's memory after 3 seconds 7.059 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 3.900 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.369
Then I find very few patterns in the guest's memory after 3 seconds 6.578 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 1.559
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:31.149
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 9.771
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.512
Then I find very few patterns in the guest's memory 3.185 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.662
Then patterns cover at least 99% of the test FS size in the guest's memory 3.460 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.484
Then I find very few patterns in the guest's memory after 3 seconds 6.336 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 14.604
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 3.591 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 6.076 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 2.232
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.627
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 8.226
And I prepare Tails for memory erasure tests 0.530
When I fill a 128 MiB file with a known pattern on the root filesystem 16.564
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.464
Then patterns cover at least 128 MiB in the guest's memory 2.972 
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 20.855 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.691
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:17.945
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.766
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.521 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.013