Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 80 17 Jan 2025, 21:36

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 11:30.611 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
22.372
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.474
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.385
Then patterns cover at least 128 MiB in the guest's memory 3.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.612
Then I find very few patterns in the guest's memory after 3 seconds 5.882 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.928
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.828
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 2.990 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.221 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.440
Then I find very few patterns in the guest's memory after 3 seconds 6.500 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.071
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.957
And I prepare Tails for memory erasure tests 0.593
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.653
Then I find very few patterns in the guest's memory 3.797 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.858
Then patterns cover at least 75% of the test FS size in the guest's memory 4.361 
Pattern coverage: 87.338% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.410
Then I find very few patterns in the guest's memory after 3 seconds 6.561 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 0.619
Then patterns cover at least 99% of the test FS size in the guest's memory 3.936 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 6.460 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:326 0.714
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.793
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.236
And I prepare Tails for memory erasure tests 0.520
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.248
Then I find very few patterns in the guest's memory 2.787 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.108
Then patterns cover at least 99% of the test FS size in the guest's memory 2.799 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 5.384 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# read cache
When I mount the USB drive again 6.674
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 2.895 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.874
Then I find very few patterns in the guest's memory after 3 seconds 5.942 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.321
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.230
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the root filesystem 14.870
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.224
Then patterns cover at least 128 MiB in the guest's memory 2.717 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.711 
Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.124
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 7:3.054
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.500
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.131 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.011