Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 16 29 Mar 2025, 14:09

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 12:40.847 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.
25.088
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 8.912
And I prepare Tails for memory erasure tests 0.854
When I start a process allocating 128 MiB of memory with a known pattern 2.402
Then patterns cover at least 128 MiB in the guest's memory 4.115

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

When I kill the allocating process 0.286
Then I find very few patterns in the guest's memory after 5 seconds 8.515

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

After features/support/hooks.rb:330 0.797
After features/support/hooks.rb:100 0.000
26.507
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 9.160
And I prepare Tails for memory erasure tests 0.818
And I find very few patterns in the guest's memory 2.676

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.792
Then patterns cover at least 99% of the test FS size in the guest's memory 4.019

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

When I umount "/mnt" 1.017
Then I find very few patterns in the guest's memory after 3 seconds 7.021

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 0.909
After features/support/hooks.rb:100 0.000
51.528
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 8.629
And I prepare Tails for memory erasure tests 0.631
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.300
Then I find very few patterns in the guest's memory 4.041

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

# write cache
When I fill the USB drive with a known pattern 2.851
Then patterns cover at least 75% of the test FS size in the guest's memory 4.413

Pattern coverage: 86.490% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.432
Then I find very few patterns in the guest's memory after 3 seconds 7.188

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

# read cache
When I mount the USB drive again 0.293
And I read the content of the test FS 0.734
Then patterns cover at least 99% of the test FS size in the guest's memory 4.298

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

When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.995

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

After features/support/hooks.rb:330 1.925
After features/support/hooks.rb:100 0.001
1:20.655
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 9.603
And I prepare Tails for memory erasure tests 0.648
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.203
Then I find very few patterns in the guest's memory 2.751

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.898
Then patterns cover at least 99% of the test FS size in the guest's memory 2.796

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

When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 6.141

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# read cache
When I mount the USB drive again 4.106
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 3.382

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

When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 6.048

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:330 1.748
After features/support/hooks.rb:100 0.000
54.556
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 8.889
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the root filesystem 18.116
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.299
Then patterns cover at least 128 MiB in the guest's memory 3.773

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 20.914

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 3.863
After features/support/hooks.rb:100 0.000
8:42.510
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:56.446
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.423
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.160

Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)

After features/support/hooks.rb:330 3.610
After features/support/hooks.rb:100 0.017