Project Number Date
test_Tails_ISO_improved-new-identity-scenario 2 01 May 2025, 13:32

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 10:59.632 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.
22.854
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 8.116
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 1.188
Then patterns cover at least 128 MiB in the guest's memory 3.562

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

When I kill the allocating process 0.588
Then I find very few patterns in the guest's memory after 5 seconds 8.960

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
29.602
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 8.158
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 5.051

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 1.826
Then patterns cover at least 99% of the test FS size in the guest's memory 6.937

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

When I umount "/mnt" 0.381
Then I find very few patterns in the guest's memory after 3 seconds 6.797

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

After features/support/hooks.rb:330 0.802
After features/support/hooks.rb:100 0.000
49.334
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 8.218
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.491
Then I find very few patterns in the guest's memory 3.395

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

# write cache
When I fill the USB drive with a known pattern 2.900
Then patterns cover at least 75% of the test FS size in the guest's memory 3.801

Pattern coverage: 88.333% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.034
Then I find very few patterns in the guest's memory after 3 seconds 6.622

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

# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 4.930

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

When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 6.236

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

After features/support/hooks.rb:330 0.761
After features/support/hooks.rb:100 0.000
1:14.933
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 8.288
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.894
Then I find very few patterns in the guest's memory 2.670

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

# write cache
When I fill the USB drive with a known pattern 1.670
Then patterns cover at least 99% of the test FS size in the guest's memory 3.129

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

When I umount the USB drive 0.814
Then I find very few patterns in the guest's memory after 3 seconds 5.864

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

# read cache
When I mount the USB drive again 3.909
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 3.130

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

When I umount the USB drive 0.893
Then I find very few patterns in the guest's memory after 3 seconds 5.770

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

After features/support/hooks.rb:330 1.520
After features/support/hooks.rb:100 0.000
50.425
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 8.379
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the root filesystem 16.150
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.759
Then patterns cover at least 128 MiB in the guest's memory 2.782

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 20.812

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

After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.000
7:12.481
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 6:26.219
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 24.577
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.254

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.012