Project Number Date
test_Tails_ISO_stable 5375 08 Jan 2025, 08:39

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 11:14.902 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
22.148
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.018
And I prepare Tails for memory erasure tests 0.421
When I start a process allocating 128 MiB of memory with a known pattern 2.416
Then patterns cover at least 128 MiB in the guest's memory 3.623 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.348
Then I find very few patterns in the guest's memory after 3 seconds 6.319 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.907
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.294
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.125
And I prepare Tails for memory erasure tests 0.503
And I find very few patterns in the guest's memory 5.178 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.666
Then patterns cover at least 99% of the test FS size in the guest's memory 4.540 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.781
Then I find very few patterns in the guest's memory after 3 seconds 6.497 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.358
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.225
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.024
Then I find very few patterns in the guest's memory 3.640 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.893
Then patterns cover at least 75% of the test FS size in the guest's memory 3.994 
Pattern coverage: 89.292% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.517
Then I find very few patterns in the guest's memory after 3 seconds 6.559 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.332
And I read the content of the test FS 0.955
Then patterns cover at least 99% of the test FS size in the guest's memory 3.877 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 6.147 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.555
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.169
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" 41.278
Then I find very few patterns in the guest's memory 3.608 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.145
Then patterns cover at least 99% of the test FS size in the guest's memory 2.632 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.214
Then I find very few patterns in the guest's memory after 3 seconds 5.916 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 5.705
And I read the content of the test FS 0.435
Then patterns cover at least 99% of the test FS size in the guest's memory 3.366 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 5.910 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.243
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.320
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 14.800
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.752
Then patterns cover at least 128 MiB in the guest's memory 3.153 
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 20.978 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.224
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:33.293
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.280
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.161 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.013