Project Number Date
test_Tails_ISO_stable 5747 28 Jun 2025, 12:48

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 11:32.713 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
23.749
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 8.570
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.438
Then patterns cover at least 128 MiB in the guest's memory 3.687 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.230
Then I find very few patterns in the guest's memory after 5 seconds 8.322 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.438
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.875
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 8.545
And I prepare Tails for memory erasure tests 0.655
And I find very few patterns in the guest's memory 3.318 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.037
Then patterns cover at least 99% of the test FS size in the guest's memory 3.935 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.887 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 1.064
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.783
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 8.553
And I prepare Tails for memory erasure tests 0.955
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.295
Then I find very few patterns in the guest's memory 3.325 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.723
Then patterns cover at least 75% of the test FS size in the guest's memory 3.807 
Pattern coverage: 88.116% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.196
Then I find very few patterns in the guest's memory after 3 seconds 6.668 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.452
And I read the content of the test FS 0.771
Then patterns cover at least 99% of the test FS size in the guest's memory 4.148 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 7.433 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.130
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.413
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 8.514
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.275
Then I find very few patterns in the guest's memory 2.822 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.285
Then patterns cover at least 99% of the test FS size in the guest's memory 3.157 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.856
Then I find very few patterns in the guest's memory after 3 seconds 5.752 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.343
And I read the content of the test FS 0.639
Then patterns cover at least 99% of the test FS size in the guest's memory 3.014 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.046
Then I find very few patterns in the guest's memory after 3 seconds 6.203 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.418
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.423
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 9.109
And I prepare Tails for memory erasure tests 0.595
When I fill a 128 MiB file with a known pattern on the root filesystem 17.171
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.049
Then patterns cover at least 128 MiB in the guest's memory 2.683 
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 20.798 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.480
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.467
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 6:59.188
And I prepare Tails for memory erasure tests 0.553
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.430
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.282 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.690
After features/support/hooks.rb:100 0.011