Project Number Date
test_Tails_ISO_devel 3656 21 Jan 2025, 17:35

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 11:3.659 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
19.797
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.050
And I prepare Tails for memory erasure tests 0.379
When I start a process allocating 128 MiB of memory with a known pattern 2.329
Then patterns cover at least 128 MiB in the guest's memory 3.128 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.262
Then I find very few patterns in the guest's memory after 3 seconds 5.646 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.473
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.977
And I prepare Tails for memory erasure tests 0.363
And I find very few patterns in the guest's memory 2.837 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.051
Then patterns cover at least 99% of the test FS size in the guest's memory 3.827 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.986
Then I find very few patterns in the guest's memory after 3 seconds 6.429 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.112
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 0.471
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.584
Then I find very few patterns in the guest's memory 3.707 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.478
Then patterns cover at least 75% of the test FS size in the guest's memory 4.253 
Pattern coverage: 88.842% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.510
Then I find very few patterns in the guest's memory after 3 seconds 6.486 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.436
And I read the content of the test FS 0.612
Then patterns cover at least 99% of the test FS size in the guest's memory 4.032 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.338
Then I find very few patterns in the guest's memory after 3 seconds 5.724 
Pattern coverage: 0.001% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.594
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.059
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.901
Then I find very few patterns in the guest's memory 2.494 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.031
Then patterns cover at least 99% of the test FS size in the guest's memory 2.475 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.991
Then I find very few patterns in the guest's memory after 3 seconds 5.290 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.477
And I read the content of the test FS 0.418
Then patterns cover at least 99% of the test FS size in the guest's memory 2.442 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.673
Then I find very few patterns in the guest's memory after 3 seconds 4.959 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.206
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.901
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 19.452
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.279
Then patterns cover at least 128 MiB in the guest's memory 2.436 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 20.709 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:21.474
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 6:38.606
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.322
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 882 MiB reference memory)
After features/support/hooks.rb:326 3.584
After features/support/hooks.rb:100 0.016