Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 21 18 Nov 2024, 11:58

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 12:9.897 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
23.194
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.142
And I prepare Tails for memory erasure tests 0.727
When I start a process allocating 128 MiB of memory with a known pattern 2.462
Then patterns cover at least 128 MiB in the guest's memory 3.416 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.246
Then I find very few patterns in the guest's memory after 3 seconds 6.200 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
After features/support/hooks.rb:326 1.854
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.930
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.817
And I prepare Tails for memory erasure tests 0.478
And I find very few patterns in the guest's memory 5.330 
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 2.310
Then patterns cover at least 99% of the test FS size in the guest's memory 5.435 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.600
Then I find very few patterns in the guest's memory after 3 seconds 12.958 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.558
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.228
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.540
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.477
Then I find very few patterns in the guest's memory 5.871 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.170
Then patterns cover at least 75% of the test FS size in the guest's memory 4.384 
Pattern coverage: 87.623% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.942
Then I find very few patterns in the guest's memory after 3 seconds 6.627 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.427
And I read the content of the test FS 0.804
Then patterns cover at least 99% of the test FS size in the guest's memory 3.997 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.875
Then I find very few patterns in the guest's memory after 3 seconds 6.594 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.966
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.783
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.321
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.216
Then I find very few patterns in the guest's memory 2.817 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.256
Then patterns cover at least 99% of the test FS size in the guest's memory 2.975 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.883
Then I find very few patterns in the guest's memory after 3 seconds 6.749 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
# read cache
When I mount the USB drive again 5.028
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.394 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.011
Then I find very few patterns in the guest's memory after 3 seconds 6.214 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:326 0.959
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.014
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.722
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 16.395
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.857
Then patterns cover at least 128 MiB in the guest's memory 2.751 
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 20.818 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.745
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 7:12.715
And I prepare Tails for memory erasure tests 1.138
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.505
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.373 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.797
After features/support/hooks.rb:100 0.023