Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 13 20 Nov 2024, 10:18

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 11:30.818 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
23.018
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.050
And I prepare Tails for memory erasure tests 0.422
When I start a process allocating 128 MiB of memory with a known pattern 2.349
Then patterns cover at least 128 MiB in the guest's memory 3.591 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.760
Then I find very few patterns in the guest's memory after 3 seconds 5.842 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.911
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.174
And I prepare Tails for memory erasure tests 0.514
And I find very few patterns in the guest's memory 5.106 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.043
Then patterns cover at least 99% of the test FS size in the guest's memory 2.978 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.044
Then I find very few patterns in the guest's memory after 3 seconds 7.051 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.891
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.825
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.069
Then I find very few patterns in the guest's memory 3.772 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.684
Then patterns cover at least 75% of the test FS size in the guest's memory 5.776 
Pattern coverage: 90.960% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.732
Then I find very few patterns in the guest's memory after 3 seconds 5.735 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 0.920
Then patterns cover at least 99% of the test FS size in the guest's memory 4.413 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.304
Then I find very few patterns in the guest's memory after 3 seconds 6.549 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 0.924
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.856
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.345
Then I find very few patterns in the guest's memory 2.074 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.206
Then patterns cover at least 99% of the test FS size in the guest's memory 2.742 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory after 3 seconds 5.417 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 6.195
And I read the content of the test FS 0.495
Then patterns cover at least 99% of the test FS size in the guest's memory 2.775 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.900
Then I find very few patterns in the guest's memory after 3 seconds 5.278 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.084
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.854
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 8.133
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 18.847
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.190
Then patterns cover at least 128 MiB in the guest's memory 3.391 
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 20.841 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.351
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 6:45.187
And I prepare Tails for memory erasure tests 0.947
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.018
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.184 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.012