Project Number Date
test_Tails_ISO_disable-thunderbird-telemetry 4 15 Nov 2024, 00:09

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 11:22.909 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.
20.604
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.028
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 2.451
Then patterns cover at least 128 MiB in the guest's memory 3.650

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

When I kill the allocating process 0.372
Then I find very few patterns in the guest's memory after 3 seconds 5.667

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

After features/support/hooks.rb:326 1.692
After features/support/hooks.rb:100 0.000
25.025
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.427
And I find very few patterns in the guest's memory 3.375

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.472
Then patterns cover at least 99% of the test FS size in the guest's memory 3.078

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

When I umount "/mnt" 0.865
Then I find very few patterns in the guest's memory after 3 seconds 6.478

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 0.783
After features/support/hooks.rb:100 0.000
57.855
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.021
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.161
Then I find very few patterns in the guest's memory 5.022

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 9.362
Then patterns cover at least 75% of the test FS size in the guest's memory 4.145

Pattern coverage: 89.028% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.382
Then I find very few patterns in the guest's memory after 3 seconds 7.769

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

# read cache
When I mount the USB drive again 0.398
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 3.933

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

When I umount the USB drive 1.122
Then I find very few patterns in the guest's memory after 3 seconds 6.523

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.963
After features/support/hooks.rb:100 0.002
1:18.328
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 10.243
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.834
Then I find very few patterns in the guest's memory 3.146

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

# write cache
When I fill the USB drive with a known pattern 1.893
Then patterns cover at least 99% of the test FS size in the guest's memory 3.535

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

When I umount the USB drive 1.306
Then I find very few patterns in the guest's memory after 3 seconds 5.580

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

# read cache
When I mount the USB drive again 5.102
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.445

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

When I umount the USB drive 1.243
Then I find very few patterns in the guest's memory after 3 seconds 5.990

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

After features/support/hooks.rb:326 0.971
After features/support/hooks.rb:100 0.001
50.679
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.569
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 15.062
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.206
Then patterns cover at least 128 MiB in the guest's memory 2.500

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 20.883

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 3.565
After features/support/hooks.rb:100 0.000
7:30.415
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 6:44.355
And I prepare Tails for memory erasure tests 0.504
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.250
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.290

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.011