Project Number Date
test_Tails_ISO_stable 5032 16 Aug 2024, 12:28

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 11:0.020 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
21.301
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.929
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 1.397
Then patterns cover at least 128 MiB in the guest's memory 3.958 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.192
Then I find very few patterns in the guest's memory after 3 seconds 6.423 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.997
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 2.800 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.626
Then patterns cover at least 99% of the test FS size in the guest's memory 3.483 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.528
Then I find very few patterns in the guest's memory after 3 seconds 6.055 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.018
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.957
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.049
Then I find very few patterns in the guest's memory 3.205 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.457
Then patterns cover at least 75% of the test FS size in the guest's memory 3.591 
Pattern coverage: 86.656% (110 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 6.124 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.596
Then patterns cover at least 99% of the test FS size in the guest's memory 3.419 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.598
Then I find very few patterns in the guest's memory after 3 seconds 6.064 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.747
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.096
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.879
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" 39.622
Then I find very few patterns in the guest's memory 2.667 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.451
Then patterns cover at least 99% of the test FS size in the guest's memory 3.012 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.833
Then I find very few patterns in the guest's memory after 3 seconds 5.611 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.470
And I read the content of the test FS 0.654
Then patterns cover at least 99% of the test FS size in the guest's memory 3.241 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 5.516 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.532
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.916
And I prepare Tails for memory erasure tests 0.371
When I fill a 128 MiB file with a known pattern on the root filesystem 15.747
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.954
Then patterns cover at least 128 MiB in the guest's memory 2.784 
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 20.746 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:24.074
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 6:40.633
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.849
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.181 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.011