Project Number Date
test_Tails_ISO_stable 5267 15 Nov 2024, 12:34

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 10:58.548 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
23.494
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.984
And I prepare Tails for memory erasure tests 0.382
When I start a process allocating 128 MiB of memory with a known pattern 2.330
Then patterns cover at least 128 MiB in the guest's memory 3.852 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.893
Then I find very few patterns in the guest's memory after 3 seconds 7.050 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.239
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.443
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.076
And I prepare Tails for memory erasure tests 0.375
And I find very few patterns in the guest's memory 3.149 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.169 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.137
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.199
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.684
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.973
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.171
Then I find very few patterns in the guest's memory 3.429 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.030
Then patterns cover at least 75% of the test FS size in the guest's memory 3.556 
Pattern coverage: 87.384% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.686
Then I find very few patterns in the guest's memory after 3 seconds 6.140 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 1.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.464 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.965
Then I find very few patterns in the guest's memory after 3 seconds 6.142 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.367
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.683
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.049
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.098
Then I find very few patterns in the guest's memory 2.620 
Pattern coverage: 0.000% (0 MiB out of 898 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 2.995 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.021
Then I find very few patterns in the guest's memory after 3 seconds 5.533 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 5.146
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.110 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 5.540 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.333
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.214
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the root filesystem 15.991
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.014
Then patterns cover at least 128 MiB in the guest's memory 2.848 
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 20.860 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.908
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 6:37.821
And I prepare Tails for memory erasure tests 0.838
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.997
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.238 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.012