Project Number Date
test_Tails_ISO_20297-test-suite-reject-allow-internal-dns-resolution 17 15 Apr 2025, 23:56

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 11:2.347 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
24.349
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.412
And I prepare Tails for memory erasure tests 0.513
When I start a process allocating 128 MiB of memory with a known pattern 2.352
Then patterns cover at least 128 MiB in the guest's memory 3.799 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.761
Then I find very few patterns in the guest's memory after 5 seconds 8.510 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.313
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.155
And I prepare Tails for memory erasure tests 0.559
And I find very few patterns in the guest's memory 3.239 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.042
Then patterns cover at least 99% of the test FS size in the guest's memory 3.684 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.479
Then I find very few patterns in the guest's memory after 3 seconds 6.152 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.876
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.029
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.021
Then I find very few patterns in the guest's memory 3.113 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.451
Then patterns cover at least 75% of the test FS size in the guest's memory 3.857 
Pattern coverage: 88.186% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.089
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.001% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.970
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.915
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.176
Then I find very few patterns in the guest's memory 2.881 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.669
Then patterns cover at least 99% of the test FS size in the guest's memory 3.513 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.408
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.091 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.506 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.126
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.973
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.997
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the root filesystem 14.826
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.021
Then patterns cover at least 128 MiB in the guest's memory 2.674 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 20.955 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.618
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.863
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:41.661
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.355
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.419 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.544
After features/support/hooks.rb:100 0.011