Project Number Date
test_Tails_ISO_stable 5482 26 Feb 2025, 19:55

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 10:58.158 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
23.571
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 7.961
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 2.351
Then patterns cover at least 128 MiB in the guest's memory 3.345 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.629
Then I find very few patterns in the guest's memory after 5 seconds 7.888 
Pattern coverage: 0.000% (0 MiB out of 892 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
26.118
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 8.630
And I prepare Tails for memory erasure tests 0.489
And I find very few patterns in the guest's memory 2.929 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.188
Then patterns cover at least 99% of the test FS size in the guest's memory 4.245 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.048
Then I find very few patterns in the guest's memory after 3 seconds 6.586 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.069
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 9.870
And I prepare Tails for memory erasure tests 0.496
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.070
Then I find very few patterns in the guest's memory 3.220 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.639
Then patterns cover at least 75% of the test FS size in the guest's memory 3.008 
Pattern coverage: 88.554% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.681
Then I find very few patterns in the guest's memory after 3 seconds 6.211 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.323
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 3.948 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.818
Then I find very few patterns in the guest's memory after 3 seconds 6.276 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.348
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.685
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 8.030
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.433
Then I find very few patterns in the guest's memory 2.689 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.035
Then patterns cover at least 99% of the test FS size in the guest's memory 3.481 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.044
Then I find very few patterns in the guest's memory after 3 seconds 5.786 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 5.322
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 2.758 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.789
Then I find very few patterns in the guest's memory after 3 seconds 5.370 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 2.672
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.420
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 8.294
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 15.355
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.604
Then patterns cover at least 128 MiB in the guest's memory 2.919 
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 20.832 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.293
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 6:31.684
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.936
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.189 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.012