Project Number Date
test_Tails_ISO_stable 5327 11 Dec 2024, 12:46

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 11:53.348 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
23.178
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.297
And I prepare Tails for memory erasure tests 0.698
When I start a process allocating 128 MiB of memory with a known pattern 2.363
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 0.553
Then I find very few patterns in the guest's memory after 3 seconds 6.024 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 1.438
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.673
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.592
And I prepare Tails for memory erasure tests 0.384
And I find very few patterns in the guest's memory 3.614 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.914
Then patterns cover at least 99% of the test FS size in the guest's memory 5.698 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.652
Then I find very few patterns in the guest's memory after 3 seconds 6.816 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.946
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.555
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.198
Then I find very few patterns in the guest's memory 3.860 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.384
Then patterns cover at least 75% of the test FS size in the guest's memory 4.238 
Pattern coverage: 87.488% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.582
Then I find very few patterns in the guest's memory after 3 seconds 6.417 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.250
And I read the content of the test FS 0.931
Then patterns cover at least 99% of the test FS size in the guest's memory 3.927 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 6.591 
Pattern coverage: 0.001% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.351
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.489
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.201
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.500
Then I find very few patterns in the guest's memory 2.478 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.202
Then patterns cover at least 99% of the test FS size in the guest's memory 2.819 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.091
Then I find very few patterns in the guest's memory after 3 seconds 5.593 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 7.578
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 3.347 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 8.095 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.192
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.960
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.926
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 19.431
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.944
Then patterns cover at least 128 MiB in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.921 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.101
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 7:9.915
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.761
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.966 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.017