Project Number Date
test_Tails_ISO_20297-test-suite-reject-allow-internal-dns-resolution 18 16 Apr 2025, 23:01

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 11:16.357 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
24.966
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 8.350
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.899
Then patterns cover at least 128 MiB in the guest's memory 4.141 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.317
Then I find very few patterns in the guest's memory after 5 seconds 8.810 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.654
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.806
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 8.259
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 4.000 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.837
Then patterns cover at least 99% of the test FS size in the guest's memory 4.017 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.729
Then I find very few patterns in the guest's memory after 3 seconds 6.558 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.600
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 8.453
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.209
Then I find very few patterns in the guest's memory 3.801 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.726
Then patterns cover at least 75% of the test FS size in the guest's memory 4.169 
Pattern coverage: 84.323% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.929
Then I find very few patterns in the guest's memory after 3 seconds 7.116 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.215
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 4.034 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.335
Then I find very few patterns in the guest's memory after 3 seconds 6.597 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.878
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:11.995
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.279
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.243
Then I find very few patterns in the guest's memory 2.960 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.496 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.063
Then I find very few patterns in the guest's memory after 3 seconds 5.901 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 3.770
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.343 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory after 3 seconds 5.864 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.151
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.033
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 8.121
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 15.945
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.689
Then patterns cover at least 128 MiB in the guest's memory 3.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.852 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.484
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.956
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:52.384
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.959
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.513
After features/support/hooks.rb:100 0.011