Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 31 31 Mar 2025, 22:13

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 10:43.996 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.
22.739
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 7.859
And I prepare Tails for memory erasure tests 0.397
When I start a process allocating 128 MiB of memory with a known pattern 2.302
Then patterns cover at least 128 MiB in the guest's memory 3.680

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

When I kill the allocating process 0.265
Then I find very few patterns in the guest's memory after 5 seconds 8.234

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 0.708
After features/support/hooks.rb:100 0.000
23.497
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 7.869
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 3.137

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.855
Then patterns cover at least 99% of the test FS size in the guest's memory 3.457

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

When I umount "/mnt" 0.556
Then I find very few patterns in the guest's memory after 3 seconds 6.225

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
46.321
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 7.864
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.088
Then I find very few patterns in the guest's memory 3.151

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.514
Then patterns cover at least 75% of the test FS size in the guest's memory 3.799

Pattern coverage: 87.240% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.882
Then I find very few patterns in the guest's memory after 3 seconds 6.617

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 0.215
And I read the content of the test FS 1.010
Then patterns cover at least 99% of the test FS size in the guest's memory 3.393

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

When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 5.994

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 0.675
After features/support/hooks.rb:100 0.000
1:14.055
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 7.921
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.998
Then I find very few patterns in the guest's memory 2.478

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.593
Then patterns cover at least 99% of the test FS size in the guest's memory 2.965

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

When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 5.467

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 4.236
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.975

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 5.470

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 1.005
After features/support/hooks.rb:100 0.000
50.650
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 7.850
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the root filesystem 16.927
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.639
Then patterns cover at least 128 MiB in the guest's memory 3.049

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 20.800

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

After features/support/hooks.rb:330 3.604
After features/support/hooks.rb:100 0.000
7:6.731
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 6:20.665
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.445
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.211

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.011