Project Number Date
test_Tails_ISO_devel 3605 07 Dec 2024, 13:16

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 12:39.439 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
26.099
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.919
And I prepare Tails for memory erasure tests 0.492
When I start a process allocating 128 MiB of memory with a known pattern 2.440
Then patterns cover at least 128 MiB in the guest's memory 5.106 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.698
Then I find very few patterns in the guest's memory after 3 seconds 8.442 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.001
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
41.776
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.428
And I prepare Tails for memory erasure tests 0.397
And I find very few patterns in the guest's memory 9.026 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.261
Then patterns cover at least 99% of the test FS size in the guest's memory 8.618 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 5.223
Then I find very few patterns in the guest's memory after 3 seconds 6.819 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.547
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.661
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.109
Then I find very few patterns in the guest's memory 3.801 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.274
Then patterns cover at least 75% of the test FS size in the guest's memory 4.227 
Pattern coverage: 87.987% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.627
Then I find very few patterns in the guest's memory after 3 seconds 6.714 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.736
And I read the content of the test FS 0.723
Then patterns cover at least 99% of the test FS size in the guest's memory 4.522 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.142
Then I find very few patterns in the guest's memory after 3 seconds 6.573 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.945
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.985
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.246
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.380
Then I find very few patterns in the guest's memory 3.127 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.689
Then patterns cover at least 99% of the test FS size in the guest's memory 3.484 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.879
Then I find very few patterns in the guest's memory after 3 seconds 6.020 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 6.798
And I read the content of the test FS 0.472
Then patterns cover at least 99% of the test FS size in the guest's memory 3.550 
Pattern coverage: 106.117% (97 MiB out of 91 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 6.005 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.901
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.929
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.100
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 18.658
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.222
Then patterns cover at least 128 MiB in the guest's memory 3.582 
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 20.919 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:23.101
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 7:31.528
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.698
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.361 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.500
After features/support/hooks.rb:100 0.011