Project Number Date
test_Tails_ISO_devel 3765 03 Apr 2025, 22:07

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 11:34.562 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
23.043
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.401
And I prepare Tails for memory erasure tests 0.455
When I start a process allocating 128 MiB of memory with a known pattern 2.332
Then patterns cover at least 128 MiB in the guest's memory 3.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.251
Then I find very few patterns in the guest's memory after 5 seconds 8.091 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.083
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.209
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 3.007 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.038
Then patterns cover at least 99% of the test FS size in the guest's memory 3.352 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.522
Then I find very few patterns in the guest's memory after 3 seconds 6.533 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.945
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.963
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.466
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.049
Then I find very few patterns in the guest's memory 3.611 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.218
Then patterns cover at least 75% of the test FS size in the guest's memory 4.209 
Pattern coverage: 88.943% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.199
Then I find very few patterns in the guest's memory after 3 seconds 6.544 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.239
And I read the content of the test FS 0.635
Then patterns cover at least 99% of the test FS size in the guest's memory 4.308 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.414
Then I find very few patterns in the guest's memory after 3 seconds 6.645 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.884
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.277
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.618
Then I find very few patterns in the guest's memory 3.511 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.687
Then patterns cover at least 99% of the test FS size in the guest's memory 2.737 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory after 3 seconds 5.414 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 6.272
And I read the content of the test FS 0.806
Then patterns cover at least 99% of the test FS size in the guest's memory 3.004 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.644
Then I find very few patterns in the guest's memory after 3 seconds 5.966 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.210
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.766
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.567
And I prepare Tails for memory erasure tests 0.502
When I fill a 128 MiB file with a known pattern on the root filesystem 19.634
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.645
Then patterns cover at least 128 MiB in the guest's memory 3.341 
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 21.061 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.582
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:47.427
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:1.362
And I prepare Tails for memory erasure tests 0.973
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.703
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.376 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.014