Project Number Date
test_Tails_ISO_20979-pdfarranger 9 04 Jun 2025, 02:47

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 10:48.241 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
22.137
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 8.042
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 1.192
Then patterns cover at least 128 MiB in the guest's memory 3.402 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.508
Then I find very few patterns in the guest's memory after 5 seconds 8.569 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.695
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.066
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 7.966
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 2.900 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.802
Then patterns cover at least 99% of the test FS size in the guest's memory 3.570 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.451
Then I find very few patterns in the guest's memory after 3 seconds 6.989 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.687
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.348
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 8.056
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.006
Then I find very few patterns in the guest's memory 3.230 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.547
Then patterns cover at least 75% of the test FS size in the guest's memory 3.793 
Pattern coverage: 89.478% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.868
Then I find very few patterns in the guest's memory after 3 seconds 5.889 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.229
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.901 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.401
Then I find very few patterns in the guest's memory after 3 seconds 6.368 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.991
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.999
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 8.269
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.371
Then I find very few patterns in the guest's memory 2.757 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.494
Then patterns cover at least 99% of the test FS size in the guest's memory 2.879 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 5.973 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 3.719
And I read the content of the test FS 0.591
Then patterns cover at least 99% of the test FS size in the guest's memory 3.352 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 5.914 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.933
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.758
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 8.004
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 16.747
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.360
Then patterns cover at least 128 MiB in the guest's memory 2.437 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.779 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:6.929
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 6:23.815
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.425
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.225 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.513
After features/support/hooks.rb:100 0.011