Project Number Date
test_Tails_ISO_stable 4849 20 May 2024, 13:03

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:40.025 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
21.982
Before features/support/hooks.rb:259 0.004
Given I have started Tails from DVD without network and logged in 8.569
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 2.329
Then patterns cover at least 128 MiB in the guest's memory 4.334 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.866
Then I find very few patterns in the guest's memory 4.482 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:305 0.709
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.903
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.434
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 5.706 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.862
Then patterns cover at least 99% of the test FS size in the guest's memory 3.589 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.840
Then I find very few patterns in the guest's memory 4.007 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:305 0.928
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
47.402
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.098
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.041
Then I find very few patterns in the guest's memory 4.248 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.859
Then patterns cover at least 86% of the test FS size in the guest's memory 4.513 
Pattern coverage: 91.790% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.629
Then I find very few patterns in the guest's memory 4.661 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.214
And I read the content of the test FS 0.569
Then patterns cover at least 99% of the test FS size in the guest's memory 4.097 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory 4.310 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 0.721
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:14.037
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.053
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.478
Then I find very few patterns in the guest's memory 3.502 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.275
Then patterns cover at least 99% of the test FS size in the guest's memory 3.101 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.541
Then I find very few patterns in the guest's memory 3.494 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 5.989
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 3.334 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory 4.636 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:305 0.779
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
53.624
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.316
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 17.227
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.470
Then patterns cover at least 128 MiB in the guest's memory 3.230 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.028
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.914 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 3.497
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:58.074
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:12.310
And I prepare Tails for memory erasure tests 0.516
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.890
When I trigger shutdown 0.024
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.312 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:305 3.611
After features/support/hooks.rb:89 0.012