Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 26 29 Mar 2025, 06:29

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 10:52.005 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.
23.124
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 7.873
And I prepare Tails for memory erasure tests 0.455
When I start a process allocating 128 MiB of memory with a known pattern 3.421
Then patterns cover at least 128 MiB in the guest's memory 3.062

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

When I kill the allocating process 0.426
Then I find very few patterns in the guest's memory after 5 seconds 7.885

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 0.756
After features/support/hooks.rb:100 0.000
23.432
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 8.020
And I prepare Tails for memory erasure tests 0.383
And I find very few patterns in the guest's memory 2.989

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.291
Then patterns cover at least 99% of the test FS size in the guest's memory 3.153

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

When I umount "/mnt" 0.780
Then I find very few patterns in the guest's memory after 3 seconds 5.813

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 0.650
After features/support/hooks.rb:100 0.000
47.144
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 7.977
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.157
Then I find very few patterns in the guest's memory 3.420

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

# write cache
When I fill the USB drive with a known pattern 3.000
Then patterns cover at least 75% of the test FS size in the guest's memory 3.987

Pattern coverage: 89.803% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.036
Then I find very few patterns in the guest's memory after 3 seconds 6.114

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

# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.674
Then patterns cover at least 99% of the test FS size in the guest's memory 3.142

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

When I umount the USB drive 0.617
Then I find very few patterns in the guest's memory after 3 seconds 6.308

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

After features/support/hooks.rb:330 0.636
After features/support/hooks.rb:100 0.000
1:11.028
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 8.034
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.092
Then I find very few patterns in the guest's memory 2.787

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.656
Then patterns cover at least 99% of the test FS size in the guest's memory 2.626

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

When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 5.388

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# read cache
When I mount the USB drive again 4.325
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 2.680

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 5.311

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 0.884
After features/support/hooks.rb:100 0.000
51.155
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.820
And I prepare Tails for memory erasure tests 0.641
When I fill a 128 MiB file with a known pattern on the root filesystem 14.322
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.237
Then patterns cover at least 128 MiB in the guest's memory 2.449

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 20.670

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 3.476
After features/support/hooks.rb:100 0.000
7:16.120
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:31.082
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.393
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.184

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

After features/support/hooks.rb:330 3.586
After features/support/hooks.rb:100 0.012