Project Number Date
test_Tails_ISO_stable 5027 13 Aug 2024, 18:31

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 12:20.057 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
22.992
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.384
And I prepare Tails for memory erasure tests 1.236
When I start a process allocating 128 MiB of memory with a known pattern 2.411
Then patterns cover at least 128 MiB in the guest's memory 4.018 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.090
Then I find very few patterns in the guest's memory after 3 seconds 5.850 
Pattern coverage: 0.000% (0 MiB out of 871 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
31.224
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.481
And I find very few patterns in the guest's memory 2.942 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.438
Then patterns cover at least 99% of the test FS size in the guest's memory 3.949 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 4.533
Then I find very few patterns in the guest's memory after 3 seconds 6.764 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.930
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.248
And I prepare Tails for memory erasure tests 0.986
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.047
Then I find very few patterns in the guest's memory 3.777 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.434
Then patterns cover at least 75% of the test FS size in the guest's memory 7.726 
Pattern coverage: 87.678% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.975
Then I find very few patterns in the guest's memory after 3 seconds 7.696 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.369
And I read the content of the test FS 0.602
Then patterns cover at least 99% of the test FS size in the guest's memory 4.025 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.582
Then I find very few patterns in the guest's memory after 3 seconds 6.457 
Pattern coverage: 0.001% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.116
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.267
And I prepare Tails for memory erasure tests 0.480
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.648
Then I find very few patterns in the guest's memory 2.345 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.904
Then patterns cover at least 99% of the test FS size in the guest's memory 3.265 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.103
Then I find very few patterns in the guest's memory after 3 seconds 5.480 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 4.520
And I read the content of the test FS 0.634
Then patterns cover at least 99% of the test FS size in the guest's memory 2.754 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.998
Then I find very few patterns in the guest's memory after 3 seconds 5.710 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.822
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.494
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.259
And I prepare Tails for memory erasure tests 0.570
When I fill a 128 MiB file with a known pattern on the root filesystem 15.444
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.005
Then patterns cover at least 128 MiB in the guest's memory 4.435 
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 21.764 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:21.299
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 7:31.025
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.488
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.270 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.732
After features/support/hooks.rb:100 0.013