Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 50 27 Nov 2024, 02:45

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 11:34.805 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
24.141
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.610
And I prepare Tails for memory erasure tests 0.402
When I start a process allocating 128 MiB of memory with a known pattern 2.649
Then patterns cover at least 128 MiB in the guest's memory 4.460 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.199
Then I find very few patterns in the guest's memory after 3 seconds 6.818 
Pattern coverage: 0.000% (0 MiB out of 673 MiB reference memory)
After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.121
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.969
And I find very few patterns in the guest's memory 3.956 
Pattern coverage: 0.000% (0 MiB out of 680 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.471
Then patterns cover at least 99% of the test FS size in the guest's memory 4.086 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.632
Then I find very few patterns in the guest's memory after 3 seconds 6.771 
Pattern coverage: 0.000% (0 MiB out of 680 MiB reference memory)
After features/support/hooks.rb:326 1.174
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.709
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.977
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.175
Then I find very few patterns in the guest's memory 3.590 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.386
Then patterns cover at least 75% of the test FS size in the guest's memory 4.043 
Pattern coverage: 82.639% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.380
Then I find very few patterns in the guest's memory after 3 seconds 6.643 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
# read cache
When I mount the USB drive again 0.304
And I read the content of the test FS 1.030
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.894
Then I find very few patterns in the guest's memory after 3 seconds 6.753 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
After features/support/hooks.rb:326 1.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.059
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.729
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" 39.146
Then I find very few patterns in the guest's memory 2.864 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.050
Then patterns cover at least 99% of the test FS size in the guest's memory 3.203 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.695
Then I find very few patterns in the guest's memory after 3 seconds 6.147 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
# read cache
When I mount the USB drive again 5.077
And I read the content of the test FS 0.577
Then patterns cover at least 99% of the test FS size in the guest's memory 3.460 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 6.008 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
After features/support/hooks.rb:326 1.293
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.196
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.340
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 15.855
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.596
Then patterns cover at least 128 MiB in the guest's memory 4.106 
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 20.831 
Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)
After features/support/hooks.rb:326 3.578
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.577
Before features/support/hooks.rb:269 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:58.781
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.024
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.292 
Pattern coverage: 0.000% (0 MiB out of 741 MiB reference memory)
After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.020