Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 16 02 Nov 2024, 06:49

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 10:31.621 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
20.597
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.111
And I prepare Tails for memory erasure tests 0.494
When I start a process allocating 128 MiB of memory with a known pattern 1.181
Then patterns cover at least 128 MiB in the guest's memory 3.542 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.401
Then I find very few patterns in the guest's memory after 3 seconds 5.865 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 0.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
21.977
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.952
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 2.907 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.268
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.318
Then I find very few patterns in the guest's memory after 3 seconds 5.724 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.686
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.190
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.042
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.117
Then I find very few patterns in the guest's memory 3.098 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.242
Then patterns cover at least 75% of the test FS size in the guest's memory 3.270 
Pattern coverage: 79.039% (100 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.251
Then I find very few patterns in the guest's memory after 3 seconds 6.181 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
# read cache
When I mount the USB drive again 0.342
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 4.179 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 6.019 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.761
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.050
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.128
Then I find very few patterns in the guest's memory 2.473 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.167
Then patterns cover at least 99% of the test FS size in the guest's memory 2.701 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.841
Then I find very few patterns in the guest's memory after 3 seconds 5.375 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# read cache
When I mount the USB drive again 5.441
And I read the content of the test FS 0.390
Then patterns cover at least 99% of the test FS size in the guest's memory 2.710 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.794
Then I find very few patterns in the guest's memory after 3 seconds 5.239 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.485
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.128
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the root filesystem 15.208
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.243
Then patterns cover at least 128 MiB in the guest's memory 2.749 
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 20.704 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:54.609
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 6:11.285
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.648
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.136 
Pattern coverage: 0.000% (0 MiB out of 746 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.012