Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 9 18 Nov 2024, 17:06

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 12:28.364 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
36.672
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 20.881
And I prepare Tails for memory erasure tests 0.530
When I start a process allocating 128 MiB of memory with a known pattern 2.299
Then patterns cover at least 128 MiB in the guest's memory 4.125 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.172
Then I find very few patterns in the guest's memory after 3 seconds 6.661 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.206
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.104
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.696
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 3.070 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.893
Then patterns cover at least 99% of the test FS size in the guest's memory 3.069 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.072
Then I find very few patterns in the guest's memory after 3 seconds 5.905 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.907
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.109
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.331
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.128
Then I find very few patterns in the guest's memory 4.392 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.843
Then patterns cover at least 75% of the test FS size in the guest's memory 4.220 
Pattern coverage: 89.693% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.553
Then I find very few patterns in the guest's memory after 3 seconds 7.053 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 0.899
And I read the content of the test FS 2.440
Then patterns cover at least 99% of the test FS size in the guest's memory 4.187 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.813
Then I find very few patterns in the guest's memory after 3 seconds 6.733 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.826
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.554
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.425
Then I find very few patterns in the guest's memory 3.124 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.232
Then patterns cover at least 99% of the test FS size in the guest's memory 3.509 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.915
Then I find very few patterns in the guest's memory after 3 seconds 6.221 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 6.519
And I read the content of the test FS 0.457
Then patterns cover at least 99% of the test FS size in the guest's memory 4.281 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.138
Then I find very few patterns in the guest's memory after 3 seconds 6.122 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.028
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.201
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.691
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 15.957
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.734
Then patterns cover at least 128 MiB in the guest's memory 3.249 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.017 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.712
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.450
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:24.481
And I prepare Tails for memory erasure tests 0.571
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.116
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.269 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.013