Project Number Date
test_Tails_ISO_devel 3675 31 Jan 2025, 17:51

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 11:10.440 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
23.231
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.293
And I prepare Tails for memory erasure tests 0.495
When I start a process allocating 128 MiB of memory with a known pattern 1.222
Then patterns cover at least 128 MiB in the guest's memory 3.225 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.872
Then I find very few patterns in the guest's memory after 5 seconds 8.122 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.412
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.815
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 2.723 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.752
Then patterns cover at least 99% of the test FS size in the guest's memory 3.144 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.725
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 0.995
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.170
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.801
And I prepare Tails for memory erasure tests 0.520
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.326
Then I find very few patterns in the guest's memory 2.819 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.107
Then patterns cover at least 75% of the test FS size in the guest's memory 3.403 
Pattern coverage: 94.707% (120 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.250
Then I find very few patterns in the guest's memory after 3 seconds 6.484 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.313
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.140 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.274
Then I find very few patterns in the guest's memory after 3 seconds 6.169 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.055
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.017
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.319
Then I find very few patterns in the guest's memory 2.965 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.087
Then patterns cover at least 99% of the test FS size in the guest's memory 3.484 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.442
Then I find very few patterns in the guest's memory after 3 seconds 5.424 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.527
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.598 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 5.537 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.708
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.108
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 16.425
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.798
Then patterns cover at least 128 MiB in the guest's memory 3.101 
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 20.830 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.861
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 6:39.221
And I prepare Tails for memory erasure tests 0.523
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.932
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.172 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.040