Project Number Date
test_Tails_ISO_20666-whisperback-search 12 21 Nov 2024, 14:23

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 13:9.103 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
26.257
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 9.193
And I prepare Tails for memory erasure tests 0.654
When I start a process allocating 128 MiB of memory with a known pattern 2.801
Then patterns cover at least 128 MiB in the guest's memory 5.396 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.436
Then I find very few patterns in the guest's memory after 3 seconds 7.775 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.170
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.442
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.684
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 8.248 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.744
Then patterns cover at least 99% of the test FS size in the guest's memory 10.260 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.476
Then I find very few patterns in the guest's memory after 3 seconds 11.591 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.358
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.044
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.292
And I prepare Tails for memory erasure tests 0.515
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.846
Then I find very few patterns in the guest's memory 8.834 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.114
Then patterns cover at least 75% of the test FS size in the guest's memory 10.444 
Pattern coverage: 88.465% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.018
Then I find very few patterns in the guest's memory after 3 seconds 11.648 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.546
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 10.173 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.836
Then I find very few patterns in the guest's memory after 3 seconds 12.221 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 2.756
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:34.868
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.619
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.997
Then I find very few patterns in the guest's memory 3.105 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.153
Then patterns cover at least 99% of the test FS size in the guest's memory 3.630 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.355
Then I find very few patterns in the guest's memory after 3 seconds 6.208 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 11.439
And I read the content of the test FS 3.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.856 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.078
Then I find very few patterns in the guest's memory after 3 seconds 6.320 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.531
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.970
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 17.374
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.440
Then patterns cover at least 128 MiB in the guest's memory 3.265 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.989 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:2.959
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 7:19.107
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.149
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.239 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.013