Project Number Date
test_Tails_ISO_devel 3478 13 Aug 2024, 18:27

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 12:4.756 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
25.147
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.545
And I prepare Tails for memory erasure tests 0.457
When I start a process allocating 128 MiB of memory with a known pattern 2.307
Then patterns cover at least 128 MiB in the guest's memory 3.561 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.873
Then I find very few patterns in the guest's memory after 3 seconds 8.400 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.233
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.360
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.760
And I prepare Tails for memory erasure tests 0.510
And I find very few patterns in the guest's memory 6.564 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.730
Then patterns cover at least 99% of the test FS size in the guest's memory 5.733 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.609
Then I find very few patterns in the guest's memory after 3 seconds 7.450 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.375
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.442
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.373
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.579
Then I find very few patterns in the guest's memory 3.267 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.398
Then patterns cover at least 75% of the test FS size in the guest's memory 5.374 
Pattern coverage: 87.158% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.559
Then I find very few patterns in the guest's memory after 3 seconds 6.347 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.421
And I read the content of the test FS 0.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 5.668 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.296
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.905
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.128
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.945
Then I find very few patterns in the guest's memory 2.441 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.235
Then patterns cover at least 99% of the test FS size in the guest's memory 2.830 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.943
Then I find very few patterns in the guest's memory after 3 seconds 5.508 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 12.197
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 2.954 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.667
Then I find very few patterns in the guest's memory after 3 seconds 6.131 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.221
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.367
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.092
And I prepare Tails for memory erasure tests 0.587
When I fill a 128 MiB file with a known pattern on the root filesystem 16.745
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.099
Then patterns cover at least 128 MiB in the guest's memory 3.045 
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 20.781 
Pattern coverage: 0.000% (0 MiB out of 884 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
7:58.534
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 7:14.250
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.570
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.250 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.014