Project Number Date
test_Tails_ISO_stable 5458 14 Feb 2025, 13:02

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 11:39.134 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
25.179
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.275
And I prepare Tails for memory erasure tests 0.747
When I start a process allocating 128 MiB of memory with a known pattern 2.484
Then patterns cover at least 128 MiB in the guest's memory 4.799 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.316
Then I find very few patterns in the guest's memory after 5 seconds 8.555 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 1.160
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.465
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.250
And I prepare Tails for memory erasure tests 0.425
And I find very few patterns in the guest's memory 3.616 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.350
Then patterns cover at least 99% of the test FS size in the guest's memory 3.743 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.228
Then I find very few patterns in the guest's memory after 3 seconds 6.850 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.176
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.057
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.048
Then I find very few patterns in the guest's memory 3.583 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.786
Then patterns cover at least 75% of the test FS size in the guest's memory 4.372 
Pattern coverage: 91.805% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.010
Then I find very few patterns in the guest's memory after 3 seconds 6.716 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 0.854
Then patterns cover at least 99% of the test FS size in the guest's memory 4.497 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.156
Then I find very few patterns in the guest's memory after 3 seconds 6.438 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.790
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.265
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.372
Then I find very few patterns in the guest's memory 3.305 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.113
Then patterns cover at least 99% of the test FS size in the guest's memory 3.561 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.078
Then I find very few patterns in the guest's memory after 3 seconds 6.062 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 5.548
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 3.404 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.204
Then I find very few patterns in the guest's memory after 3 seconds 5.982 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.928
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 16.297
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.104
Then patterns cover at least 128 MiB in the guest's memory 3.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.825 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.592
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 7:4.201
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.772
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.191 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.576
After features/support/hooks.rb:100 0.011