Project Number Date
test_Tails_ISO_devel 3490 23 Aug 2024, 12:50

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 11:52.581 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
26.872
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.600
And I prepare Tails for memory erasure tests 0.468
When I start a process allocating 128 MiB of memory with a known pattern 6.023
Then patterns cover at least 128 MiB in the guest's memory 3.747 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.095
Then I find very few patterns in the guest's memory after 3 seconds 5.937 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.728
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.064
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.198 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.374
Then patterns cover at least 99% of the test FS size in the guest's memory 3.717 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.223
Then I find very few patterns in the guest's memory after 3 seconds 6.623 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.966
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.280
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.222
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.090
Then I find very few patterns in the guest's memory 2.940 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.937
Then patterns cover at least 75% of the test FS size in the guest's memory 4.995 
Pattern coverage: 92.065% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.672
Then I find very few patterns in the guest's memory after 3 seconds 6.470 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.361
And I read the content of the test FS 0.655
Then patterns cover at least 99% of the test FS size in the guest's memory 4.132 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 6.642 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.742
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.223
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.281
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.762
Then I find very few patterns in the guest's memory 2.385 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.094
Then patterns cover at least 99% of the test FS size in the guest's memory 2.627 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.391
Then I find very few patterns in the guest's memory after 3 seconds 5.435 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.380
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 2.694 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.695
Then I find very few patterns in the guest's memory after 3 seconds 5.529 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.618
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.222
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 15.311
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.145
Then patterns cover at least 128 MiB in the guest's memory 2.731 
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 20.744 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:5.520
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 7:19.379
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.547
When I trigger shutdown 0.012
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 3.505
After features/support/hooks.rb:100 0.014