Project Number Date
test_Tails_ISO_disable-thunderbird-telemetry 9 18 Nov 2024, 22:46

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 11:23.416 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.
19.056
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.156
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 1.310
Then patterns cover at least 128 MiB in the guest's memory 3.355

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

When I kill the allocating process 0.295
Then I find very few patterns in the guest's memory after 3 seconds 5.464

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:326 0.864
After features/support/hooks.rb:100 0.000
24.428
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.256
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 3.062

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.012
Then patterns cover at least 99% of the test FS size in the guest's memory 3.498

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

When I umount "/mnt" 1.155
Then I find very few patterns in the guest's memory after 3 seconds 6.020

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
49.362
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.646
And I prepare Tails for memory erasure tests 0.599
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.242
Then I find very few patterns in the guest's memory 2.983

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

# write cache
When I fill the USB drive with a known pattern 3.753
Then patterns cover at least 75% of the test FS size in the guest's memory 2.976

Pattern coverage: 88.777% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.461
Then I find very few patterns in the guest's memory after 3 seconds 5.933

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

# read cache
When I mount the USB drive again 1.303
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 3.190

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

When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 6.097

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

After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
1:17.536
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.433
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.665
Then I find very few patterns in the guest's memory 2.353

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.048
Then patterns cover at least 99% of the test FS size in the guest's memory 2.824

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

When I umount the USB drive 0.926
Then I find very few patterns in the guest's memory after 3 seconds 5.937

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 8.046
And I read the content of the test FS 0.486
Then patterns cover at least 99% of the test FS size in the guest's memory 3.407

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

When I umount the USB drive 0.992
Then I find very few patterns in the guest's memory after 3 seconds 5.973

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:326 1.348
After features/support/hooks.rb:100 0.000
50.390
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.383
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 15.737
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.033
Then patterns cover at least 128 MiB in the guest's memory 2.956

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

When I trigger shutdown 0.048
Then I find very few patterns in the guest's memory after 20 seconds 20.811

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 3.588
After features/support/hooks.rb:100 0.000
7:42.642
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:59.896
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.124
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.213

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

After features/support/hooks.rb:326 3.546
After features/support/hooks.rb:100 0.015