Project Number Date
test_Tails_ISO_devel 3570 31 Oct 2024, 13:10

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 12:43.010 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
25.274
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.955
And I prepare Tails for memory erasure tests 0.503
When I start a process allocating 128 MiB of memory with a known pattern 3.943
Then patterns cover at least 128 MiB in the guest's memory 3.982 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.229
Then I find very few patterns in the guest's memory after 3 seconds 6.658 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.329
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.153
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 4.080 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.063
Then patterns cover at least 99% of the test FS size in the guest's memory 4.339 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.304
Then I find very few patterns in the guest's memory after 3 seconds 6.919 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.635
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.806
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.506
Then I find very few patterns in the guest's memory 3.914 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.827
Then patterns cover at least 75% of the test FS size in the guest's memory 4.801 
Pattern coverage: 89.965% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 5.115
Then I find very few patterns in the guest's memory after 3 seconds 6.841 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.314
And I read the content of the test FS 5.111
Then patterns cover at least 99% of the test FS size in the guest's memory 7.117 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.928
Then I find very few patterns in the guest's memory after 3 seconds 7.857 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.985
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.731
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.979
And I prepare Tails for memory erasure tests 0.586
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.801
Then I find very few patterns in the guest's memory 4.042 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.402
Then patterns cover at least 99% of the test FS size in the guest's memory 4.133 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.090
Then I find very few patterns in the guest's memory after 3 seconds 6.254 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 5.625
And I read the content of the test FS 2.395
Then patterns cover at least 99% of the test FS size in the guest's memory 3.278 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.717
Then I find very few patterns in the guest's memory after 3 seconds 6.425 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.304
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.988
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.690
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the root filesystem 16.505
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.786
Then patterns cover at least 128 MiB in the guest's memory 5.455 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 21.068 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:20.052
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:33.236
And I prepare Tails for memory erasure tests 1.081
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.236
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.480 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.010