Project Number Date
test_Tails_ISO_18530-do-not-restart-tor 20 27 Nov 2024, 10:35

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 11:50.991 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
21.002
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.176
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.449
Then patterns cover at least 128 MiB in the guest's memory 3.847 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.397
Then I find very few patterns in the guest's memory after 3 seconds 5.576 
Pattern coverage: 0.000% (0 MiB out of 893 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
31.165
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.662
And I prepare Tails for memory erasure tests 0.570
And I find very few patterns in the guest's memory 3.442 
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 2.721
Then patterns cover at least 99% of the test FS size in the guest's memory 5.095 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.164
Then I find very few patterns in the guest's memory after 3 seconds 9.508 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.307
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.276
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.206
Then I find very few patterns in the guest's memory 3.154 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.006
Then patterns cover at least 75% of the test FS size in the guest's memory 3.557 
Pattern coverage: 91.321% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.768
Then I find very few patterns in the guest's memory after 3 seconds 6.526 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.643
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.806
Then I find very few patterns in the guest's memory after 3 seconds 6.873 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.328
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.866
Then I find very few patterns in the guest's memory 2.480 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.963
Then patterns cover at least 99% of the test FS size in the guest's memory 2.788 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.310
Then I find very few patterns in the guest's memory after 3 seconds 5.691 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 5.984
And I read the content of the test FS 0.540
Then patterns cover at least 99% of the test FS size in the guest's memory 6.529 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 6.042 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.363
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.164
And I prepare Tails for memory erasure tests 0.402
When I fill a 128 MiB file with a known pattern on the root filesystem 16.813
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.718
Then patterns cover at least 128 MiB in the guest's memory 3.346 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.900 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.823
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 7:11.786
And I prepare Tails for memory erasure tests 0.771
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.023
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.230 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.013