Project Number Date
test_Tails_ISO_20448-tor-browser-14-force-all-tests 30 30 Aug 2024, 07:32

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 10:43.483 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.
22.398
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.035
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.537
Then patterns cover at least 128 MiB in the guest's memory 5.554

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

When I kill the allocating process 0.487
Then I find very few patterns in the guest's memory after 3 seconds 5.376

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:326 1.135
After features/support/hooks.rb:100 0.000
23.726
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.030
And I prepare Tails for memory erasure tests 0.367
And I find very few patterns in the guest's memory 2.726

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.285
Then patterns cover at least 99% of the test FS size in the guest's memory 3.487

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

When I umount "/mnt" 1.041
Then I find very few patterns in the guest's memory after 3 seconds 5.787

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 1.148
After features/support/hooks.rb:100 0.000
46.134
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.136
Then I find very few patterns in the guest's memory 2.575

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

# write cache
When I fill the USB drive with a known pattern 2.749
Then patterns cover at least 75% of the test FS size in the guest's memory 3.056

Pattern coverage: 85.235% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.830
Then I find very few patterns in the guest's memory after 3 seconds 5.771

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

# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 3.482

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

When I umount the USB drive 0.789
Then I find very few patterns in the guest's memory after 3 seconds 6.477

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

After features/support/hooks.rb:326 1.296
After features/support/hooks.rb:100 0.000
1:13.722
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.989
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.460
Then I find very few patterns in the guest's memory 2.527

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.079
Then patterns cover at least 99% of the test FS size in the guest's memory 2.766

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

When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 5.192

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

# read cache
When I mount the USB drive again 4.648
And I read the content of the test FS 0.832
Then patterns cover at least 99% of the test FS size in the guest's memory 4.431

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

When I umount the USB drive 1.165
Then I find very few patterns in the guest's memory after 3 seconds 5.278

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:326 1.083
After features/support/hooks.rb:100 0.000
51.297
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.959
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 17.104
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.624
Then patterns cover at least 128 MiB in the guest's memory 2.494

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.706

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

After features/support/hooks.rb:326 3.460
After features/support/hooks.rb:100 0.000
7:6.204
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 6:22.563
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.189
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.048

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.009