Project Number Date
test_Tails_ISO_stable 5035 19 Aug 2024, 12:09

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 11:58.900 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
25.334
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.058
And I prepare Tails for memory erasure tests 0.378
When I start a process allocating 128 MiB of memory with a known pattern 4.336
Then patterns cover at least 128 MiB in the guest's memory 4.241 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.672
Then I find very few patterns in the guest's memory after 3 seconds 6.646 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.006
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 2.763 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 16.020
Then patterns cover at least 99% of the test FS size in the guest's memory 3.109 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.856
Then I find very few patterns in the guest's memory after 3 seconds 6.701 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.305
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.203
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.128
Then I find very few patterns in the guest's memory 3.088 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 14.517
Then patterns cover at least 75% of the test FS size in the guest's memory 3.487 
Pattern coverage: 88.523% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.967
Then I find very few patterns in the guest's memory after 3 seconds 6.099 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 1.240
And I read the content of the test FS 0.695
Then patterns cover at least 99% of the test FS size in the guest's memory 3.392 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.040
Then I find very few patterns in the guest's memory after 3 seconds 6.016 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.774
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:46.342
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.112
And I prepare Tails for memory erasure tests 0.539
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.803
Then I find very few patterns in the guest's memory 2.671 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.576
Then patterns cover at least 99% of the test FS size in the guest's memory 2.915 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.982
Then I find very few patterns in the guest's memory after 3 seconds 5.587 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 15.396
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 2.902 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 16.950
Then I find very few patterns in the guest's memory after 3 seconds 5.479 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.243
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 19.522
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.486
Then patterns cover at least 128 MiB in the guest's memory 2.658 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.815 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.480
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:10.667
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 6:26.772
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.403
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.111 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.012