Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 70 16 Dec 2024, 07:21

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 11:52.494 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
19.065
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.027
And I prepare Tails for memory erasure tests 0.378
When I start a process allocating 128 MiB of memory with a known pattern 1.207
Then patterns cover at least 128 MiB in the guest's memory 3.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.568
Then I find very few patterns in the guest's memory after 3 seconds 5.516 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.789
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.427
And I find very few patterns in the guest's memory 2.932 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.820
Then patterns cover at least 99% of the test FS size in the guest's memory 3.226 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.322
Then I find very few patterns in the guest's memory after 3 seconds 5.924 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.955
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.411
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.306
Then I find very few patterns in the guest's memory 3.090 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.302
Then patterns cover at least 75% of the test FS size in the guest's memory 3.469 
Pattern coverage: 81.369% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.060 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
# read cache
When I mount the USB drive again 0.579
And I read the content of the test FS 2.200
Then patterns cover at least 99% of the test FS size in the guest's memory 3.387 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.636
Then I find very few patterns in the guest's memory after 3 seconds 6.307 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
After features/support/hooks.rb:326 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.255
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.478
And I prepare Tails for memory erasure tests 0.379
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.971
Then I find very few patterns in the guest's memory 2.574 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.214
Then patterns cover at least 99% of the test FS size in the guest's memory 3.211 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.923
Then I find very few patterns in the guest's memory after 3 seconds 5.707 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
# read cache
When I mount the USB drive again 5.174
And I read the content of the test FS 1.400
Then patterns cover at least 99% of the test FS size in the guest's memory 3.435 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.823
Then I find very few patterns in the guest's memory after 3 seconds 5.960 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
After features/support/hooks.rb:326 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.420
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.214
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 18.020
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.350
Then patterns cover at least 128 MiB in the guest's memory 3.576 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.808 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.008
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 7:13.272
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.559
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.690 
Pattern coverage: 0.000% (0 MiB out of 754 MiB reference memory)
After features/support/hooks.rb:326 3.797
After features/support/hooks.rb:100 0.018