Project Number Date
test_Tails_ISO_20666-whisperback-search 6 19 Nov 2024, 14:05

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 11:47.641 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
34.029
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.634
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 1.361
Then patterns cover at least 128 MiB in the guest's memory 3.641 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.960
Then I find very few patterns in the guest's memory after 3 seconds 5.996 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.651
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.595
And I prepare Tails for memory erasure tests 0.430
And I find very few patterns in the guest's memory 3.456 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.054
Then patterns cover at least 99% of the test FS size in the guest's memory 3.753 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.637
Then I find very few patterns in the guest's memory after 3 seconds 6.724 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.906
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.955
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.676
And I prepare Tails for memory erasure tests 0.597
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.221
Then I find very few patterns in the guest's memory 3.869 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.765
Then patterns cover at least 75% of the test FS size in the guest's memory 3.701 
Pattern coverage: 87.742% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.249
Then I find very few patterns in the guest's memory after 3 seconds 5.905 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.277
And I read the content of the test FS 0.980
Then patterns cover at least 99% of the test FS size in the guest's memory 6.312 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 6.676 
Pattern coverage: 0.000% (0 MiB out of 890 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
1:17.213
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.551
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.396
Then I find very few patterns in the guest's memory 3.159 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.215
Then patterns cover at least 99% of the test FS size in the guest's memory 2.968 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.919
Then I find very few patterns in the guest's memory after 3 seconds 5.683 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 4.521
And I read the content of the test FS 0.529
Then patterns cover at least 99% of the test FS size in the guest's memory 3.234 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.256
Then I find very few patterns in the guest's memory after 3 seconds 6.297 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.137
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.734
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.416
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 18.348
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.929
Then patterns cover at least 128 MiB in the guest's memory 2.724 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.829 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.055
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 6:52.150
And I prepare Tails for memory erasure tests 1.696
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.674
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.522 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.586
After features/support/hooks.rb:100 0.013