Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 12 05 Nov 2024, 12:20

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 11:35.434 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.
23.762
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.403
When I start a process allocating 128 MiB of memory with a known pattern 2.289
Then patterns cover at least 128 MiB in the guest's memory 3.895

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

When I kill the allocating process 2.283
Then I find very few patterns in the guest's memory after 3 seconds 6.843

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 0.751
After features/support/hooks.rb:100 0.000
27.099
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.170
And I prepare Tails for memory erasure tests 0.403
And I find very few patterns in the guest's memory 3.293

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.104
Then patterns cover at least 99% of the test FS size in the guest's memory 3.634

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

When I umount "/mnt" 1.342
Then I find very few patterns in the guest's memory after 3 seconds 6.150

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

After features/support/hooks.rb:326 0.718
After features/support/hooks.rb:100 0.000
54.280
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.057
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.330
Then I find very few patterns in the guest's memory 4.430

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.731
Then patterns cover at least 75% of the test FS size in the guest's memory 6.577

Pattern coverage: 87.987% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.070
Then I find very few patterns in the guest's memory after 3 seconds 6.434

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 0.959
Then patterns cover at least 99% of the test FS size in the guest's memory 3.257

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

When I umount the USB drive 0.952
Then I find very few patterns in the guest's memory after 3 seconds 6.733

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
1:18.070
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.903
And I prepare Tails for memory erasure tests 0.576
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.689
Then I find very few patterns in the guest's memory 2.761

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.691
Then patterns cover at least 99% of the test FS size in the guest's memory 3.119

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

When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 5.704

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 7.004
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 3.169

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

When I umount the USB drive 1.384
Then I find very few patterns in the guest's memory after 3 seconds 5.726

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:326 1.481
After features/support/hooks.rb:100 0.000
52.089
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.301
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 17.469
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.056
Then patterns cover at least 128 MiB in the guest's memory 2.894

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 20.891

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
7:40.131
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 6:56.398
And I prepare Tails for memory erasure tests 0.702
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.769
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.249

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

After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.012