Project Number Date
test_Tails_ISO_devel 3693 15 Feb 2025, 12:48

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 12:56.963 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
25.936
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.634
And I prepare Tails for memory erasure tests 0.534
When I start a process allocating 128 MiB of memory with a known pattern 2.338
Then patterns cover at least 128 MiB in the guest's memory 4.097 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.930
Then I find very few patterns in the guest's memory after 5 seconds 8.401 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.099
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.047
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.982
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.969 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.176
Then patterns cover at least 99% of the test FS size in the guest's memory 4.991 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.973
Then I find very few patterns in the guest's memory after 3 seconds 6.517 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.154
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.632
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.662
Then I find very few patterns in the guest's memory 5.086 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.045
Then patterns cover at least 75% of the test FS size in the guest's memory 10.874 
Pattern coverage: 88.575% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.564
Then I find very few patterns in the guest's memory after 3 seconds 12.683 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.402
And I read the content of the test FS 1.094
Then patterns cover at least 99% of the test FS size in the guest's memory 8.847 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.843
Then I find very few patterns in the guest's memory after 3 seconds 12.977 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.028
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:39.857
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.877
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 43.064
Then I find very few patterns in the guest's memory 6.262 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.954
Then patterns cover at least 99% of the test FS size in the guest's memory 7.366 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.276
Then I find very few patterns in the guest's memory after 3 seconds 6.060 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 5.939
And I read the content of the test FS 0.729
Then patterns cover at least 99% of the test FS size in the guest's memory 4.104 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.772
Then I find very few patterns in the guest's memory after 3 seconds 9.052 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.122
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.794
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.791
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 17.519
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.003
Then patterns cover at least 128 MiB in the guest's memory 3.141 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.843 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:9.173
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 7:25.039
And I prepare Tails for memory erasure tests 0.559
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.629
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.932 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.012