Project Number Date
test_Tails_ISO_20530-tca-controls-tor-flag-file 68 28 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 10:59.640 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
21.800
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.243
And I prepare Tails for memory erasure tests 0.488
When I start a process allocating 128 MiB of memory with a known pattern 2.360
Then patterns cover at least 128 MiB in the guest's memory 3.519 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.443
Then I find very few patterns in the guest's memory after 3 seconds 5.744 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 1.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.230
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.871
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 2.843 
Pattern coverage: 0.000% (0 MiB out of 929 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.427
Then patterns cover at least 99% of the test FS size in the guest's memory 3.652 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.527
Then I find very few patterns in the guest's memory after 3 seconds 6.489 
Pattern coverage: 0.000% (0 MiB out of 929 MiB reference memory)
After features/support/hooks.rb:326 1.148
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.761
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.586
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.148
Then I find very few patterns in the guest's memory 3.731 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.989
Then patterns cover at least 75% of the test FS size in the guest's memory 4.040 
Pattern coverage: 86.512% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.964
Then I find very few patterns in the guest's memory after 3 seconds 6.386 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.831
Then patterns cover at least 99% of the test FS size in the guest's memory 4.436 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.677
Then I find very few patterns in the guest's memory after 3 seconds 7.241 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 0.945
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.834
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.523
And I prepare Tails for memory erasure tests 0.574
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.442
Then I find very few patterns in the guest's memory 2.557 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.721
Then patterns cover at least 99% of the test FS size in the guest's memory 2.709 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.138
Then I find very few patterns in the guest's memory after 3 seconds 5.458 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# read cache
When I mount the USB drive again 6.800
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 3.364 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 5.373 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:326 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.798
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.207
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the root filesystem 15.975
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.775
Then patterns cover at least 128 MiB in the guest's memory 2.502 
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 20.845 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.215
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:26.669
And I prepare Tails for memory erasure tests 0.764
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.467
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.301 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 3.757
After features/support/hooks.rb:100 0.013