Project Number Date
test_Tails_ISO_19139-arti-bridges 12 25 Nov 2024, 23:00

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 11:15.563 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.
20.943
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.026
And I prepare Tails for memory erasure tests 0.480
When I start a process allocating 128 MiB of memory with a known pattern 2.372
Then patterns cover at least 128 MiB in the guest's memory 3.814

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

When I kill the allocating process 0.343
Then I find very few patterns in the guest's memory after 3 seconds 5.905

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
25.056
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.817
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 3.094

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.337
Then patterns cover at least 99% of the test FS size in the guest's memory 4.247

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

When I umount "/mnt" 0.505
Then I find very few patterns in the guest's memory after 3 seconds 5.648

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:326 1.881
After features/support/hooks.rb:100 0.000
45.131
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.167
Then I find very few patterns in the guest's memory 3.248

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.766
Then patterns cover at least 75% of the test FS size in the guest's memory 3.452

Pattern coverage: 84.776% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.268
Then I find very few patterns in the guest's memory after 3 seconds 5.884

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 0.261
And I read the content of the test FS 0.667
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300

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

When I umount the USB drive 0.679
Then I find very few patterns in the guest's memory after 3 seconds 5.687

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 2.124
After features/support/hooks.rb:100 0.000
1:13.165
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.572
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.602
Then I find very few patterns in the guest's memory 2.457

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.080
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074

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

When I umount the USB drive 0.929
Then I find very few patterns in the guest's memory after 3 seconds 5.857

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

# read cache
When I mount the USB drive again 4.470
And I read the content of the test FS 0.726
Then patterns cover at least 99% of the test FS size in the guest's memory 3.327

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

When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 5.936

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
51.454
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 16.516
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.154
Then patterns cover at least 128 MiB in the guest's memory 3.268

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 20.750

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
7:39.813
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 6:56.038
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.043
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.263

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

After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.012