Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 8 06 Oct 2024, 00:40

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 10:47.823 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
18.692
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.751
And I prepare Tails for memory erasure tests 0.394
When I start a process allocating 128 MiB of memory with a known pattern 1.267
Then patterns cover at least 128 MiB in the guest's memory 3.520 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.300
Then I find very few patterns in the guest's memory after 3 seconds 5.456 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.947
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.637
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.881
And I prepare Tails for memory erasure tests 0.390
And I find very few patterns in the guest's memory 2.540 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.647
Then patterns cover at least 99% of the test FS size in the guest's memory 3.225 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.621
Then I find very few patterns in the guest's memory after 3 seconds 6.328 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.604
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.736
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.949
Then I find very few patterns in the guest's memory 2.929 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.435
Then patterns cover at least 75% of the test FS size in the guest's memory 3.282 
Pattern coverage: 88.095% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.247
Then I find very few patterns in the guest's memory after 3 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.148 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 5.376 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 0.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.017
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.752
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.788
Then I find very few patterns in the guest's memory 2.391 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.089
Then patterns cover at least 99% of the test FS size in the guest's memory 2.735 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.032
Then I find very few patterns in the guest's memory after 3 seconds 5.252 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 5.479
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.561 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.863
Then I find very few patterns in the guest's memory after 3 seconds 5.233 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.064
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.789
And I prepare Tails for memory erasure tests 0.381
When I fill a 128 MiB file with a known pattern on the root filesystem 20.941
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.811
Then patterns cover at least 128 MiB in the guest's memory 2.449 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.674 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.807
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 6:28.974
And I prepare Tails for memory erasure tests 0.984
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.725
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.110 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.011