Project Number Date
test_Tails_ISO_devel 3481 15 Aug 2024, 12:52

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 12:17.954 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
23.989
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.330
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 3.401
Then patterns cover at least 128 MiB in the guest's memory 3.428 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.373
Then I find very few patterns in the guest's memory after 3 seconds 6.028 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.841
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.309
And I prepare Tails for memory erasure tests 0.472
And I find very few patterns in the guest's memory 2.787 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.200
Then patterns cover at least 99% of the test FS size in the guest's memory 3.425 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.747
Then I find very few patterns in the guest's memory after 3 seconds 5.900 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.062
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.734
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.308
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.270
Then I find very few patterns in the guest's memory 3.202 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.985
Then patterns cover at least 75% of the test FS size in the guest's memory 3.301 
Pattern coverage: 89.622% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.248
Then I find very few patterns in the guest's memory after 3 seconds 5.992 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 1.076
And I read the content of the test FS 0.769
Then patterns cover at least 99% of the test FS size in the guest's memory 3.371 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.795
Then I find very few patterns in the guest's memory after 3 seconds 5.982 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 1.417
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.662
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.334
Then I find very few patterns in the guest's memory 3.283 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 9.922
Then patterns cover at least 99% of the test FS size in the guest's memory 3.280 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.039
Then I find very few patterns in the guest's memory after 3 seconds 5.603 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 5.652
And I read the content of the test FS 0.626
Then patterns cover at least 99% of the test FS size in the guest's memory 4.088 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.205
Then I find very few patterns in the guest's memory after 3 seconds 6.096 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.940
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.829
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.520
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the root filesystem 18.959
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.769
Then patterns cover at least 128 MiB in the guest's memory 3.199 
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 20.881 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:18.897
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 7:32.851
And I prepare Tails for memory erasure tests 0.472
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.071
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.489 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.572
After features/support/hooks.rb:100 0.017