Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 15 02 Nov 2024, 19:37

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 11:11.744 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
20.872
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.886
And I prepare Tails for memory erasure tests 0.473
When I start a process allocating 128 MiB of memory with a known pattern 2.338
Then patterns cover at least 128 MiB in the guest's memory 3.493 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.584
Then I find very few patterns in the guest's memory after 3 seconds 6.096 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.907
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.120
And I prepare Tails for memory erasure tests 0.520
And I find very few patterns in the guest's memory 2.875 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.988
Then patterns cover at least 99% of the test FS size in the guest's memory 5.489 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.778
Then I find very few patterns in the guest's memory after 3 seconds 7.134 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.188
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.030
Then I find very few patterns in the guest's memory 2.894 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.221
Then patterns cover at least 75% of the test FS size in the guest's memory 2.990 
Pattern coverage: 89.934% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.453
Then I find very few patterns in the guest's memory after 3 seconds 5.986 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 0.647
And I read the content of the test FS 1.158
Then patterns cover at least 99% of the test FS size in the guest's memory 4.170 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 7.359 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.764
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.117
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.841
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.265
Then I find very few patterns in the guest's memory 2.487 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.840
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.880
Then I find very few patterns in the guest's memory after 3 seconds 5.588 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 5.102
And I read the content of the test FS 0.788
Then patterns cover at least 99% of the test FS size in the guest's memory 2.806 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.852
Then I find very few patterns in the guest's memory after 3 seconds 5.358 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 1.023
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.293
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.291
And I prepare Tails for memory erasure tests 0.628
When I fill a 128 MiB file with a known pattern on the root filesystem 17.371
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.780
Then patterns cover at least 128 MiB in the guest's memory 2.498 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.708 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.364
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 6:40.858
And I prepare Tails for memory erasure tests 0.852
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.281
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.359 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.500
After features/support/hooks.rb:100 0.011