Project Number Date
test_Tails_ISO_stable 4572 18 Dec 2023, 12:10

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:14.210 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
18.351
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.513
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 2.457
Then patterns cover at least 128 MiB in the guest's memory 3.099 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.303
Then I find very few patterns in the guest's memory 3.525 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 0.634
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.308
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.893
And I prepare Tails for memory erasure tests 0.465
And I find very few patterns in the guest's memory 3.596 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.001
Then patterns cover at least 99% of the test FS size in the guest's memory 3.704 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.278
Then I find very few patterns in the guest's memory 4.368 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.753
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:33.239
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.845
Then I find very few patterns in the guest's memory 3.909 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:57.566
Then patterns cover at least 86% of the test FS size in the guest's memory 3.189 
Pattern coverage: 98.237% (122 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.612
Then I find very few patterns in the guest's memory 3.609 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# read cache
When I mount the USB drive again 1.046
And I read the content of the test FS 0.959
Then patterns cover at least 99% of the test FS size in the guest's memory 2.979 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.298
Then I find very few patterns in the guest's memory 3.690 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 1.580
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:55.960
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.492
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.174
Then I find very few patterns in the guest's memory 3.267 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:59.289
Then patterns cover at least 99% of the test FS size in the guest's memory 2.730 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory 3.322 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
# read cache
When I mount the USB drive again 3.724
And I read the content of the test FS 0.590
Then patterns cover at least 99% of the test FS size in the guest's memory 2.566 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory 3.283 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 0.705
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.634
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.882
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 12.931
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.690
Then patterns cover at least 128 MiB in the guest's memory 2.408 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.659
And I wait 20 seconds 20.002 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.656 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
After features/support/hooks.rb:291 3.451
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:39.715
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:58.320
And I prepare Tails for memory erasure tests 0.426
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.741
When I trigger shutdown 0.233
And I wait 20 seconds 20.013 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.979 
Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)
After features/support/hooks.rb:291 3.465
After features/support/hooks.rb:75 0.011