Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 10 08 Oct 2024, 00:57

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 10:54.291 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
22.324
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.372
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 2.724
Then patterns cover at least 128 MiB in the guest's memory 3.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.596
Then I find very few patterns in the guest's memory after 3 seconds 5.841 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.349
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.337
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.760
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 2.760 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.056
Then patterns cover at least 99% of the test FS size in the guest's memory 3.203 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.427
Then I find very few patterns in the guest's memory after 3 seconds 5.693 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.742
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.657
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.753
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.970
Then I find very few patterns in the guest's memory 2.926 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.484
Then patterns cover at least 75% of the test FS size in the guest's memory 3.060 
Pattern coverage: 84.690% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.371
Then I find very few patterns in the guest's memory after 3 seconds 5.686 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.295
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 6.224 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.967
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.530
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.799
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.677
Then I find very few patterns in the guest's memory 2.324 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.021
Then patterns cover at least 99% of the test FS size in the guest's memory 2.663 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.051
Then I find very few patterns in the guest's memory after 3 seconds 5.157 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 6.325
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.596 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 5.232 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.947
After features/support/hooks.rb:100 0.003
Tags: @product @slow @not_release_blocker
49.744
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.797
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the root filesystem 16.463
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.998
Then patterns cover at least 128 MiB in the guest's memory 2.235 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.749 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.486
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:16.696
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 6:32.047
And I prepare Tails for memory erasure tests 0.359
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.185
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.092 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.461
After features/support/hooks.rb:100 0.011