Project Number Date
test_Tails_ISO_devel 3518 23 Sep 2024, 12:33

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 11:43.901 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
24.863
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.269
And I prepare Tails for memory erasure tests 1.237
When I start a process allocating 128 MiB of memory with a known pattern 2.427
Then patterns cover at least 128 MiB in the guest's memory 3.588 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.246
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.141
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.727
And I prepare Tails for memory erasure tests 0.538
And I find very few patterns in the guest's memory 3.802 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.868
Then patterns cover at least 99% of the test FS size in the guest's memory 4.031 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.564
Then I find very few patterns in the guest's memory after 3 seconds 6.608 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.623
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.633
And I prepare Tails for memory erasure tests 0.546
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.191
Then I find very few patterns in the guest's memory 3.184 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.260
Then patterns cover at least 75% of the test FS size in the guest's memory 3.181 
Pattern coverage: 86.962% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.647
Then I find very few patterns in the guest's memory after 3 seconds 5.857 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.323
And I read the content of the test FS 0.768
Then patterns cover at least 99% of the test FS size in the guest's memory 3.386 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.919
Then I find very few patterns in the guest's memory after 3 seconds 6.723 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.927
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.500
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.037
Then I find very few patterns in the guest's memory 3.175 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.419
Then patterns cover at least 99% of the test FS size in the guest's memory 3.602 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.553
Then I find very few patterns in the guest's memory after 3 seconds 6.051 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.750
And I read the content of the test FS 0.644
Then patterns cover at least 99% of the test FS size in the guest's memory 3.281 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 5.644 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.869
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.880
And I prepare Tails for memory erasure tests 0.548
When I fill a 128 MiB file with a known pattern on the root filesystem 16.970
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.142
Then patterns cover at least 128 MiB in the guest's memory 2.509 
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 20.804 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.476
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.017
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.704
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.297 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.591
After features/support/hooks.rb:100 0.012