Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 33 05 Apr 2025, 06:32

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 10:37.261 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.
22.058
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 8.199
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 1.220
Then patterns cover at least 128 MiB in the guest's memory 3.618

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

When I kill the allocating process 0.743
Then I find very few patterns in the guest's memory after 5 seconds 7.834

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

After features/support/hooks.rb:330 0.693
After features/support/hooks.rb:100 0.000
22.324
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 7.991
And I prepare Tails for memory erasure tests 0.377
And I find very few patterns in the guest's memory 2.822

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.655
Then patterns cover at least 99% of the test FS size in the guest's memory 3.225

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

When I umount "/mnt" 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.814

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

After features/support/hooks.rb:330 0.688
After features/support/hooks.rb:100 0.000
46.334
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 7.934
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.117
Then I find very few patterns in the guest's memory 3.061

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

# write cache
When I fill the USB drive with a known pattern 2.368
Then patterns cover at least 75% of the test FS size in the guest's memory 3.305

Pattern coverage: 88.049% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.927
Then I find very few patterns in the guest's memory after 3 seconds 6.583

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

# read cache
When I mount the USB drive again 0.187
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.940

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

When I umount the USB drive 0.347
Then I find very few patterns in the guest's memory after 3 seconds 6.684

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

After features/support/hooks.rb:330 0.706
After features/support/hooks.rb:100 0.000
1:10.182
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 8.160
And I prepare Tails for memory erasure tests 0.375
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.734
Then I find very few patterns in the guest's memory 2.897

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.645
Then patterns cover at least 99% of the test FS size in the guest's memory 2.714

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

When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 5.469

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

# read cache
When I mount the USB drive again 4.171
And I read the content of the test FS 0.500
Then patterns cover at least 99% of the test FS size in the guest's memory 3.102

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

When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 6.084

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 1.672
After features/support/hooks.rb:100 0.000
49.293
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 0.427
When I fill a 128 MiB file with a known pattern on the root filesystem 15.388
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.733
Then patterns cover at least 128 MiB in the guest's memory 2.866

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 20.830

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 3.485
After features/support/hooks.rb:100 0.000
7:7.068
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 6:21.818
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.537
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.277

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 3.539
After features/support/hooks.rb:100 0.013