Project Number Date
test_Tails_ISO_stable 5653 17 May 2025, 12:44

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 11:25.114 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
22.581
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 8.231
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 1.350
Then patterns cover at least 128 MiB in the guest's memory 3.561 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.212
Then I find very few patterns in the guest's memory after 5 seconds 8.773 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.077
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 8.347
And I prepare Tails for memory erasure tests 0.425
And I find very few patterns in the guest's memory 3.445 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.862
Then patterns cover at least 99% of the test FS size in the guest's memory 3.973 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.295
Then I find very few patterns in the guest's memory after 3 seconds 6.727 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.017
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.076
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 8.048
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.126
Then I find very few patterns in the guest's memory 3.298 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 9.000
Then patterns cover at least 75% of the test FS size in the guest's memory 3.754 
Pattern coverage: 88.557% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.775
Then I find very few patterns in the guest's memory after 3 seconds 7.196 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.884
Then patterns cover at least 99% of the test FS size in the guest's memory 4.662 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.375
Then I find very few patterns in the guest's memory after 3 seconds 6.315 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.838
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.419
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 8.985
And I prepare Tails for memory erasure tests 0.744
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.619
Then I find very few patterns in the guest's memory 2.881 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.690
Then patterns cover at least 99% of the test FS size in the guest's memory 3.154 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.706
Then I find very few patterns in the guest's memory after 3 seconds 5.783 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 3.922
And I read the content of the test FS 0.540
Then patterns cover at least 99% of the test FS size in the guest's memory 3.261 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.604
Then I find very few patterns in the guest's memory after 3 seconds 5.524 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.284
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.750
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 8.051
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 19.748
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.835
Then patterns cover at least 128 MiB in the guest's memory 2.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.898 
Pattern coverage: 0.000% (0 MiB out of 878 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
7:33.209
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 6:42.224
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.318
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.270 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.011