Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 41 10 Sep 2024, 07:26

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 11:37.787 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.
21.498
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.190
And I prepare Tails for memory erasure tests 0.465
When I start a process allocating 128 MiB of memory with a known pattern 1.306
Then patterns cover at least 128 MiB in the guest's memory 4.526

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

When I kill the allocating process 0.934
Then I find very few patterns in the guest's memory after 3 seconds 6.075

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

After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
27.919
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.679

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.157
Then patterns cover at least 99% of the test FS size in the guest's memory 5.974

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

When I umount "/mnt" 1.106
Then I find very few patterns in the guest's memory after 3 seconds 6.297

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

After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
49.473
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.274
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.197
Then I find very few patterns in the guest's memory 3.182

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

# write cache
When I fill the USB drive with a known pattern 2.851
Then patterns cover at least 75% of the test FS size in the guest's memory 3.393

Pattern coverage: 88.006% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.604
Then I find very few patterns in the guest's memory after 3 seconds 6.018

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

# read cache
When I mount the USB drive again 1.141
And I read the content of the test FS 1.105
Then patterns cover at least 99% of the test FS size in the guest's memory 3.485

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

When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory after 3 seconds 6.025

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

After features/support/hooks.rb:326 1.896
After features/support/hooks.rb:100 0.000
1:13.584
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.075
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.683
Then I find very few patterns in the guest's memory 2.297

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

# write cache
When I fill the USB drive with a known pattern 1.914
Then patterns cover at least 99% of the test FS size in the guest's memory 2.879

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

When I umount the USB drive 0.939
Then I find very few patterns in the guest's memory after 3 seconds 5.343

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

# read cache
When I mount the USB drive again 6.203
And I read the content of the test FS 0.863
Then patterns cover at least 99% of the test FS size in the guest's memory 2.781

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

When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 5.390

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

After features/support/hooks.rb:326 1.004
After features/support/hooks.rb:100 0.000
52.606
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.148
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 14.252
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.440
Then patterns cover at least 128 MiB in the guest's memory 4.481

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.864

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.000
7:52.705
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 7:7.654
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.411
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.150

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 3.567
After features/support/hooks.rb:100 0.036