Project Number Date
test_Tails_ISO_stable 5352 23 Dec 2024, 12:24

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 11:17.396 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
25.761
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.099
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 4.791
Then patterns cover at least 128 MiB in the guest's memory 3.677 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.243
Then I find very few patterns in the guest's memory after 3 seconds 6.505 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.031
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.937
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 3.630 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.560
Then patterns cover at least 99% of the test FS size in the guest's memory 4.000 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.588
Then I find very few patterns in the guest's memory after 3 seconds 7.900 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.215
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.734
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.229
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.167
Then I find very few patterns in the guest's memory 3.686 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.414
Then patterns cover at least 75% of the test FS size in the guest's memory 4.047 
Pattern coverage: 86.842% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.311
Then I find very few patterns in the guest's memory after 3 seconds 6.663 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.936
And I read the content of the test FS 0.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.852 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 6.441 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 1.211
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.204
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.909
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.705
Then I find very few patterns in the guest's memory 2.947 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.116
Then patterns cover at least 99% of the test FS size in the guest's memory 3.245 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.949
Then I find very few patterns in the guest's memory after 3 seconds 5.341 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 5.362
And I read the content of the test FS 0.427
Then patterns cover at least 99% of the test FS size in the guest's memory 2.733 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.748
Then I find very few patterns in the guest's memory after 3 seconds 5.288 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 0.982
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.799
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.064
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 16.749
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.067
Then patterns cover at least 128 MiB in the guest's memory 2.906 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.548 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.864
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 6:48.535
And I prepare Tails for memory erasure tests 0.616
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.529
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.538
After features/support/hooks.rb:100 0.012