Project Number Date
test_Tails_ISO_20522-ocr-more 17 26 Dec 2024, 05:20

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 11:5.459 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.
20.781
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.411
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 1.263
Then patterns cover at least 128 MiB in the guest's memory 3.940

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

When I kill the allocating process 0.279
Then I find very few patterns in the guest's memory after 3 seconds 5.415

Pattern coverage: 0.000% (0 MiB out of 692 MiB reference memory)

After features/support/hooks.rb:326 0.747
After features/support/hooks.rb:100 0.000
24.505
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.158
And I prepare Tails for memory erasure tests 0.529
And I find very few patterns in the guest's memory 3.568

Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.261
Then patterns cover at least 99% of the test FS size in the guest's memory 4.107

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

When I umount "/mnt" 0.233
Then I find very few patterns in the guest's memory after 3 seconds 6.647

Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)

After features/support/hooks.rb:326 0.721
After features/support/hooks.rb:100 0.000
49.642
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.189
And I prepare Tails for memory erasure tests 0.585
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.103
Then I find very few patterns in the guest's memory 3.868

Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.964
Then patterns cover at least 75% of the test FS size in the guest's memory 4.301

Pattern coverage: 83.423% (106 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.130
Then I find very few patterns in the guest's memory after 3 seconds 6.651

Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)

# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 4.065

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

When I umount the USB drive 0.323
Then I find very few patterns in the guest's memory after 3 seconds 6.644

Pattern coverage: 0.001% (0 MiB out of 705 MiB reference memory)

After features/support/hooks.rb:326 0.752
After features/support/hooks.rb:100 0.000
1:21.907
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.259
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" 33.845
Then I find very few patterns in the guest's memory 2.956

Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.741
Then patterns cover at least 99% of the test FS size in the guest's memory 2.888

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

When I umount the USB drive 0.833
Then I find very few patterns in the guest's memory after 3 seconds 6.404

Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)

# read cache
When I mount the USB drive again 15.186
And I read the content of the test FS 0.396
Then patterns cover at least 99% of the test FS size in the guest's memory 2.751

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

When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 5.518

Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)

After features/support/hooks.rb:326 1.083
After features/support/hooks.rb:100 0.000
51.864
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.713
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 18.096
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.952
Then patterns cover at least 128 MiB in the guest's memory 2.804

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.826

Pattern coverage: 0.000% (0 MiB out of 692 MiB reference memory)

After features/support/hooks.rb:326 3.570
After features/support/hooks.rb:100 0.000
7:16.759
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:32.774
And I prepare Tails for memory erasure tests 0.557
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.181
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.234

Pattern coverage: 0.000% (0 MiB out of 733 MiB reference memory)

After features/support/hooks.rb:326 3.563
After features/support/hooks.rb:100 0.010