Project Number Date
test_Tails_ISO_stable 5688 30 May 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 13:17.910 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
27.479
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 9.831
And I prepare Tails for memory erasure tests 0.611
When I start a process allocating 128 MiB of memory with a known pattern 1.319
Then patterns cover at least 128 MiB in the guest's memory 5.701 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.736
Then I find very few patterns in the guest's memory after 5 seconds 9.278 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.950
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 8.584
And I prepare Tails for memory erasure tests 0.655
And I find very few patterns in the guest's memory 4.100 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.819
Then patterns cover at least 99% of the test FS size in the guest's memory 4.771 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.449
Then I find very few patterns in the guest's memory after 3 seconds 6.569 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.743
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 8.574
And I prepare Tails for memory erasure tests 0.711
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.394
Then I find very few patterns in the guest's memory 4.207 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.145
Then patterns cover at least 75% of the test FS size in the guest's memory 6.708 
Pattern coverage: 89.273% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.921
Then I find very few patterns in the guest's memory after 3 seconds 7.807 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.368
And I read the content of the test FS 4.465
Then patterns cover at least 99% of the test FS size in the guest's memory 4.381 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.986
Then I find very few patterns in the guest's memory after 3 seconds 7.071 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.250
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 10.257
And I prepare Tails for memory erasure tests 0.550
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.736
Then I find very few patterns in the guest's memory 3.315 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.800
Then patterns cover at least 99% of the test FS size in the guest's memory 4.058 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.891
Then I find very few patterns in the guest's memory after 3 seconds 6.367 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 4.978
And I read the content of the test FS 1.214
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.904
Then I find very few patterns in the guest's memory after 3 seconds 6.292 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 2.048
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.285
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 10.826
And I prepare Tails for memory erasure tests 0.615
When I fill a 128 MiB file with a known pattern on the root filesystem 20.290
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.960
Then patterns cover at least 128 MiB in the guest's memory 3.320 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.259 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:55.200
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 8:10.799
And I prepare Tails for memory erasure tests 0.555
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.368
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.465 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.600
After features/support/hooks.rb:100 0.011