Project Number Date
test_Tails_ISO_stable 5763 08 Jul 2025, 13:41

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 13:14.912 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
28.687
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 11.918
And I prepare Tails for memory erasure tests 0.518
When I start a process allocating 128 MiB of memory with a known pattern 1.163
Then patterns cover at least 128 MiB in the guest's memory 3.889 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.677
Then I find very few patterns in the guest's memory after 5 seconds 10.519 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 1.153
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.499
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 9.067
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 5.914 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.926
Then patterns cover at least 99% of the test FS size in the guest's memory 4.856 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.546
Then I find very few patterns in the guest's memory after 3 seconds 6.724 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.773
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.106
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 11.200
And I prepare Tails for memory erasure tests 0.559
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.003
Then I find very few patterns in the guest's memory 5.899 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.947
Then patterns cover at least 75% of the test FS size in the guest's memory 3.818 
Pattern coverage: 85.563% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.275
Then I find very few patterns in the guest's memory after 3 seconds 9.259 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 0.911
Then patterns cover at least 99% of the test FS size in the guest's memory 4.545 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 6.986 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:44.572
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 11.652
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 54.941
Then I find very few patterns in the guest's memory 4.099 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.647
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.816
Then I find very few patterns in the guest's memory after 3 seconds 8.919 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.362
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 3.012 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.881
Then I find very few patterns in the guest's memory after 3 seconds 8.997 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.968
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.949
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 8.786
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 18.318
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.976
Then patterns cover at least 128 MiB in the guest's memory 4.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.406
Then I find very few patterns in the guest's memory after 20 seconds 22.678 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:34.097
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:47.119
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.803
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 23.681 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 4.013
After features/support/hooks.rb:100 0.012