Project Number Date
test_Tails_ISO_devel 3851 03 Jun 2025, 13:39

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 13:25.440 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
26.923
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 8.604
And I prepare Tails for memory erasure tests 0.564
When I start a process allocating 128 MiB of memory with a known pattern 4.015
Then patterns cover at least 128 MiB in the guest's memory 4.428 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.243
Then I find very few patterns in the guest's memory after 5 seconds 9.066 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.897
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.790
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 8.688
And I prepare Tails for memory erasure tests 0.615
And I find very few patterns in the guest's memory 4.274 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.019
Then patterns cover at least 99% of the test FS size in the guest's memory 4.523 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.578
Then I find very few patterns in the guest's memory after 3 seconds 7.090 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.442
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 8.719
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.710
Then I find very few patterns in the guest's memory 4.103 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.662
Then patterns cover at least 75% of the test FS size in the guest's memory 4.939 
Pattern coverage: 88.600% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.476
Then I find very few patterns in the guest's memory after 3 seconds 7.146 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
# read cache
When I mount the USB drive again 0.303
And I read the content of the test FS 1.907
Then patterns cover at least 99% of the test FS size in the guest's memory 4.398 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 7.782 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
After features/support/hooks.rb:330 1.378
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:42.367
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 10.211
And I prepare Tails for memory erasure tests 0.666
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 49.342
Then I find very few patterns in the guest's memory 4.526 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.148
Then patterns cover at least 99% of the test FS size in the guest's memory 3.805 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.840
Then I find very few patterns in the guest's memory after 3 seconds 8.552 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 7.499
And I read the content of the test FS 1.070
Then patterns cover at least 99% of the test FS size in the guest's memory 4.749 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.310
Then I find very few patterns in the guest's memory after 3 seconds 7.642 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 2.005
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.677
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.348
And I prepare Tails for memory erasure tests 0.749
When I fill a 128 MiB file with a known pattern on the root filesystem 15.657
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.232
Then patterns cover at least 128 MiB in the guest's memory 3.582 
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 22.094 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:59.240
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 8:11.299
And I prepare Tails for memory erasure tests 0.576
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.373
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.968 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.737
After features/support/hooks.rb:100 0.016