Project Number Date
test_Tails_ISO_devel 3677 02 Feb 2025, 17:34

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 10:55.678 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
22.424
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.861
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 1.208
Then patterns cover at least 128 MiB in the guest's memory 3.345 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.277
Then I find very few patterns in the guest's memory after 5 seconds 8.288 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.399
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.054
And I prepare Tails for memory erasure tests 0.442
And I find very few patterns in the guest's memory 2.943 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.999
Then patterns cover at least 99% of the test FS size in the guest's memory 3.149 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.654
Then I find very few patterns in the guest's memory after 3 seconds 7.155 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.630
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.877
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.936
Then I find very few patterns in the guest's memory 4.854 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.423
Then patterns cover at least 75% of the test FS size in the guest's memory 2.927 
Pattern coverage: 88.768% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.815
Then I find very few patterns in the guest's memory after 3 seconds 5.645 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.714
Then patterns cover at least 99% of the test FS size in the guest's memory 3.740 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.570
Then I find very few patterns in the guest's memory after 3 seconds 6.452 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.784
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.157
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.861
And I prepare Tails for memory erasure tests 0.355
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.233
Then I find very few patterns in the guest's memory 2.604 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.972
Then patterns cover at least 99% of the test FS size in the guest's memory 2.502 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.330
Then I find very few patterns in the guest's memory after 3 seconds 5.581 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.570
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 2.546 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.181
Then I find very few patterns in the guest's memory after 3 seconds 5.973 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.952
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.789
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.908
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 17.973
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.911
Then patterns cover at least 128 MiB in the guest's memory 4.878 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.704 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.277
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 6:32.204
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.539
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.133 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.787
After features/support/hooks.rb:100 0.031