Project Number Date
test_Tails_ISO_20522-ocr-more 18 27 Dec 2024, 05:27

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 11:30.681 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
21.729
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.316
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 1.322
Then patterns cover at least 128 MiB in the guest's memory 4.272 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.512
Then I find very few patterns in the guest's memory after 3 seconds 5.889 
Pattern coverage: 0.000% (0 MiB out of 672 MiB reference memory)
After features/support/hooks.rb:326 1.589
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.243
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.333
And I prepare Tails for memory erasure tests 0.482
And I find very few patterns in the guest's memory 3.104 
Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.386 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.385
Then I find very few patterns in the guest's memory after 3 seconds 5.889 
Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)
After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.925
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.275
And I prepare Tails for memory erasure tests 0.606
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.139
Then I find very few patterns in the guest's memory 2.906 
Pattern coverage: 0.000% (0 MiB out of 668 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.284
Then patterns cover at least 75% of the test FS size in the guest's memory 4.103 
Pattern coverage: 77.692% (99 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.643
Then I find very few patterns in the guest's memory after 3 seconds 6.754 
Pattern coverage: 0.000% (0 MiB out of 668 MiB reference memory)
# read cache
When I mount the USB drive again 0.453
And I read the content of the test FS 0.710
Then patterns cover at least 99% of the test FS size in the guest's memory 4.170 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 6.427 
Pattern coverage: 0.001% (0 MiB out of 668 MiB reference memory)
After features/support/hooks.rb:326 1.647
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.451
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.555
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.720
Then I find very few patterns in the guest's memory 2.304 
Pattern coverage: 0.000% (0 MiB out of 675 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.783
Then patterns cover at least 99% of the test FS size in the guest's memory 2.868 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory after 3 seconds 5.445 
Pattern coverage: 0.000% (0 MiB out of 675 MiB reference memory)
# read cache
When I mount the USB drive again 6.001
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 2.773 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 5.459 
Pattern coverage: 0.000% (0 MiB out of 675 MiB reference memory)
After features/support/hooks.rb:326 1.229
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.754
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.070
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 19.786
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.416
Then patterns cover at least 128 MiB in the guest's memory 3.300 
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 20.722 
Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)
After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.577
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:52.085
And I prepare Tails for memory erasure tests 0.509
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.775
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.194 
Pattern coverage: 0.000% (0 MiB out of 733 MiB reference memory)
After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.010