Project Number Date
test_Tails_ISO_stable 5076 06 Sep 2024, 08:37

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 10:59.931 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
20.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.310
Then patterns cover at least 128 MiB in the guest's memory 3.871 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 3 seconds 5.540 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.817
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.437
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.520
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.322 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.368
Then patterns cover at least 99% of the test FS size in the guest's memory 3.294 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.680
Then I find very few patterns in the guest's memory after 3 seconds 5.801 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.127
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.484
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.285
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.270
Then I find very few patterns in the guest's memory 2.713 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.023
Then patterns cover at least 75% of the test FS size in the guest's memory 4.226 
Pattern coverage: 85.453% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.428
Then I find very few patterns in the guest's memory after 3 seconds 6.714 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.241
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 4.015 
Pattern coverage: 100.596% (128 MiB out of 127 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 6.644 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.560
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.100
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.747
Then I find very few patterns in the guest's memory 2.944 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.148 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory after 3 seconds 5.459 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.826
And I read the content of the test FS 0.745
Then patterns cover at least 99% of the test FS size in the guest's memory 2.958 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.864
Then I find very few patterns in the guest's memory after 3 seconds 5.742 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.243
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.030
And I prepare Tails for memory erasure tests 0.502
When I fill a 128 MiB file with a known pattern on the root filesystem 15.989
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.856
Then patterns cover at least 128 MiB in the guest's memory 3.084 
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 20.766 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.506
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 6:31.012
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.775
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.256 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.011