Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 11 27 Mar 2025, 19:49

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 11:17.848 Passed
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.
23.123
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 8.102
And I prepare Tails for memory erasure tests 0.492
When I start a process allocating 128 MiB of memory with a known pattern 1.288
Then patterns cover at least 128 MiB in the guest's memory 4.173

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.886
Then I find very few patterns in the guest's memory after 5 seconds 8.179

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
23.973
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.023
Given I have started Tails from DVD without network and logged in 8.038
And I prepare Tails for memory erasure tests 0.584
And I find very few patterns in the guest's memory 3.435

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.578
Then patterns cover at least 99% of the test FS size in the guest's memory 3.765

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.426
Then I find very few patterns in the guest's memory after 3 seconds 6.143

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 0.724
After features/support/hooks.rb:100 0.000
48.825
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 8.305
And I prepare Tails for memory erasure tests 0.619
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.202
Then I find very few patterns in the guest's memory 3.735

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.845
Then patterns cover at least 75% of the test FS size in the guest's memory 3.868

Pattern coverage: 87.072% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.955
Then I find very few patterns in the guest's memory after 3 seconds 6.170

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.752
Then patterns cover at least 99% of the test FS size in the guest's memory 3.712

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 6.769

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
1:11.805
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 8.189
And I prepare Tails for memory erasure tests 0.560
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.567
Then I find very few patterns in the guest's memory 2.500

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.638
Then patterns cover at least 99% of the test FS size in the guest's memory 3.148

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.662
Then I find very few patterns in the guest's memory after 3 seconds 6.019

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 4.514
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 2.971

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.576
Then I find very few patterns in the guest's memory after 3 seconds 5.997

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 1.287
After features/support/hooks.rb:100 0.000
52.726
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 8.337
And I prepare Tails for memory erasure tests 0.617
When I fill a 128 MiB file with a known pattern on the root filesystem 18.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.045
Then patterns cover at least 128 MiB in the guest's memory 2.764

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.746

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.000
7:37.393
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 6:52.585
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.190
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.149

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:330 3.746
After features/support/hooks.rb:100 0.025