Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 71 31 Dec 2024, 20:50

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 11:25.369 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
21.947
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.122
And I prepare Tails for memory erasure tests 0.420
When I start a process allocating 128 MiB of memory with a known pattern 2.409
Then patterns cover at least 128 MiB in the guest's memory 3.451 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.700
Then I find very few patterns in the guest's memory after 3 seconds 5.843 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:326 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.655
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 3.325 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.819
Then patterns cover at least 99% of the test FS size in the guest's memory 3.849 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.539
Then I find very few patterns in the guest's memory after 3 seconds 8.614 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.080
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.210
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.327
Then I find very few patterns in the guest's memory 3.330 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.551
Then patterns cover at least 75% of the test FS size in the guest's memory 4.043 
Pattern coverage: 87.234% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.238
Then I find very few patterns in the guest's memory after 3 seconds 6.639 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.373
And I read the content of the test FS 1.171
Then patterns cover at least 99% of the test FS size in the guest's memory 4.090 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.042
Then I find very few patterns in the guest's memory after 3 seconds 6.657 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.336
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.360
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.043
Then I find very few patterns in the guest's memory 3.073 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.964
Then patterns cover at least 99% of the test FS size in the guest's memory 3.707 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.505
Then I find very few patterns in the guest's memory after 3 seconds 5.997 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# read cache
When I mount the USB drive again 4.245
And I read the content of the test FS 0.632
Then patterns cover at least 99% of the test FS size in the guest's memory 3.141 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.288
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 1.294
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.667
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.483
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the root filesystem 15.379
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.886
Then patterns cover at least 128 MiB in the guest's memory 2.718 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.718 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.681
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 6:50.969
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.835
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.378 
Pattern coverage: 0.000% (0 MiB out of 930 MiB reference memory)
After features/support/hooks.rb:326 3.599
After features/support/hooks.rb:100 0.012