Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 3 06 Mar 2025, 06:23

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 11:34.567 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.
23.925
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.205
And I prepare Tails for memory erasure tests 0.370
When I start a process allocating 128 MiB of memory with a known pattern 1.194
Then patterns cover at least 128 MiB in the guest's memory 4.098

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

When I kill the allocating process 1.048
Then I find very few patterns in the guest's memory after 5 seconds 9.006

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

After features/support/hooks.rb:330 4.376
After features/support/hooks.rb:100 0.000
26.388
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.094
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 3.014

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.042
Then patterns cover at least 99% of the test FS size in the guest's memory 3.853

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

When I umount "/mnt" 0.490
Then I find very few patterns in the guest's memory after 3 seconds 6.496

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

After features/support/hooks.rb:330 1.110
After features/support/hooks.rb:100 0.000
58.162
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.981
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.179
Then I find very few patterns in the guest's memory 6.948

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.916
Then patterns cover at least 75% of the test FS size in the guest's memory 6.660

Pattern coverage: 88.119% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.470
Then I find very few patterns in the guest's memory after 3 seconds 8.441

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

# read cache
When I mount the USB drive again 0.577
And I read the content of the test FS 0.814
Then patterns cover at least 99% of the test FS size in the guest's memory 4.303

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

When I umount the USB drive 0.505
Then I find very few patterns in the guest's memory after 3 seconds 6.966

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:330 0.950
After features/support/hooks.rb:100 0.000
1:18.641
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.497
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.087
Then I find very few patterns in the guest's memory 3.295

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

# write cache
When I fill the USB drive with a known pattern 1.690
Then patterns cover at least 99% of the test FS size in the guest's memory 4.768

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

When I umount the USB drive 1.428
Then I find very few patterns in the guest's memory after 3 seconds 5.807

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

# read cache
When I mount the USB drive again 5.534
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 2.656

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

When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 5.317

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

After features/support/hooks.rb:330 1.900
After features/support/hooks.rb:100 0.000
51.922
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the root filesystem 17.426
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.877
Then patterns cover at least 128 MiB in the guest's memory 3.092

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

When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.861

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

After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.000
7:35.528
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:48.497
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.316
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.283

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

After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.011