Project Number Date
test_Tails_ISO_devel 3826 21 May 2025, 09:42

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 11:14.955 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
25.586
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 8.123
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 4.952
Then patterns cover at least 128 MiB in the guest's memory 3.326 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.207
Then I find very few patterns in the guest's memory after 5 seconds 8.535 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.349
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 7.992
And I prepare Tails for memory erasure tests 0.395
And I find very few patterns in the guest's memory 3.625 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.407
Then patterns cover at least 99% of the test FS size in the guest's memory 3.839 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.457
Then I find very few patterns in the guest's memory after 3 seconds 6.631 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.694
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.889
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 8.341
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.477
Then I find very few patterns in the guest's memory 2.961 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.492
Then patterns cover at least 75% of the test FS size in the guest's memory 4.121 
Pattern coverage: 87.323% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.670
Then patterns cover at least 99% of the test FS size in the guest's memory 3.943 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.747
Then I find very few patterns in the guest's memory after 3 seconds 8.920 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.996
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.458
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 8.212
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.784
Then I find very few patterns in the guest's memory 2.611 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.992
Then patterns cover at least 99% of the test FS size in the guest's memory 2.989 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory after 3 seconds 5.855 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 4.443
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 3.472 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.795
Then I find very few patterns in the guest's memory after 3 seconds 6.797 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 2.299
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.580
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 8.217
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the root filesystem 18.216
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.016
Then patterns cover at least 128 MiB in the guest's memory 2.905 
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 20.755 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.090
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 6:43.202
And I prepare Tails for memory erasure tests 0.595
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.917
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.358 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.013