Project Number Date
test_Tails_ISO_stable 5343 18 Dec 2024, 12:54

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 10:40.706 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
19.641
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.888
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 1.188
Then patterns cover at least 128 MiB in the guest's memory 3.514 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.018
Then I find very few patterns in the guest's memory after 3 seconds 5.623 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.219
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.524
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.424
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 2.750 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.679
Then patterns cover at least 99% of the test FS size in the guest's memory 3.092 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 5.852 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 1.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.217
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.094
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.936
Then I find very few patterns in the guest's memory 3.773 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.836
Then patterns cover at least 75% of the test FS size in the guest's memory 4.162 
Pattern coverage: 85.734% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.113
Then I find very few patterns in the guest's memory after 3 seconds 6.433 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.485
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 4.511 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.407 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.715
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.024
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.858
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.712
Then I find very few patterns in the guest's memory 2.530 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.745
Then patterns cover at least 99% of the test FS size in the guest's memory 2.760 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.929
Then I find very few patterns in the guest's memory after 3 seconds 5.426 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 4.358
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 2.984 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.036 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.924
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.814
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.964
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 15.300
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.902
Then patterns cover at least 128 MiB in the guest's memory 2.508 
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 20.733 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:1.484
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 6:18.373
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.593
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.116 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.011