Project Number Date
test_Tails_ISO_20522-ocr-more 41 26 Jan 2025, 05:13

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 10:48.699 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.
22.080
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.932
And I prepare Tails for memory erasure tests 0.561
When I start a process allocating 128 MiB of memory with a known pattern 2.307
Then patterns cover at least 128 MiB in the guest's memory 3.299

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

When I kill the allocating process 0.232
Then I find very few patterns in the guest's memory after 5 seconds 7.747

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

After features/support/hooks.rb:326 0.788
After features/support/hooks.rb:100 0.000
23.059
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.015
And I prepare Tails for memory erasure tests 0.645
And I find very few patterns in the guest's memory 2.580

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.685
Then patterns cover at least 99% of the test FS size in the guest's memory 3.133

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

When I umount "/mnt" 0.859
Then I find very few patterns in the guest's memory after 3 seconds 6.139

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:326 0.945
After features/support/hooks.rb:100 0.000
49.672
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.996
And I prepare Tails for memory erasure tests 1.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.008
Then I find very few patterns in the guest's memory 3.289

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

# write cache
When I fill the USB drive with a known pattern 3.307
Then patterns cover at least 75% of the test FS size in the guest's memory 3.308

Pattern coverage: 88.942% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.985
Then I find very few patterns in the guest's memory after 3 seconds 5.910

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

# read cache
When I mount the USB drive again 0.282
And I read the content of the test FS 0.560
Then patterns cover at least 99% of the test FS size in the guest's memory 3.173

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

When I umount the USB drive 0.585
Then I find very few patterns in the guest's memory after 3 seconds 6.769

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

After features/support/hooks.rb:326 1.243
After features/support/hooks.rb:100 0.000
1:12.085
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.605
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.914
Then I find very few patterns in the guest's memory 2.441

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

# write cache
When I fill the USB drive with a known pattern 2.007
Then patterns cover at least 99% of the test FS size in the guest's memory 2.634

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

When I umount the USB drive 0.974
Then I find very few patterns in the guest's memory after 3 seconds 5.469

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

# read cache
When I mount the USB drive again 4.646
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 2.707

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

When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 5.312

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

After features/support/hooks.rb:326 0.835
After features/support/hooks.rb:100 0.000
49.469
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.048
And I prepare Tails for memory erasure tests 0.568
When I fill a 128 MiB file with a known pattern on the root filesystem 15.721
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.830
Then patterns cover at least 128 MiB in the guest's memory 2.478

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.806

Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)

After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
7:12.332
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 6:28.411
And I prepare Tails for memory erasure tests 0.602
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.178
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.127

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

After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.013