Project Number Date
test_Tails_ISO_20979-pdfarranger 13 08 Jun 2025, 02:33

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 10:50.518 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.
22.083
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 7.886
And I prepare Tails for memory erasure tests 0.375
When I start a process allocating 128 MiB of memory with a known pattern 1.190
Then patterns cover at least 128 MiB in the guest's memory 3.281

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

When I kill the allocating process 0.926
Then I find very few patterns in the guest's memory after 5 seconds 8.422

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

After features/support/hooks.rb:330 0.671
After features/support/hooks.rb:100 0.000
23.417
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 7.866
And I prepare Tails for memory erasure tests 0.418
And I find very few patterns in the guest's memory 2.717

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.700
Then patterns cover at least 99% of the test FS size in the guest's memory 3.694

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

When I umount "/mnt" 0.374
Then I find very few patterns in the guest's memory after 3 seconds 6.645

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 0.708
After features/support/hooks.rb:100 0.000
50.432
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 7.812
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.034
Then I find very few patterns in the guest's memory 3.620

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

# write cache
When I fill the USB drive with a known pattern 2.383
Then patterns cover at least 75% of the test FS size in the guest's memory 4.134

Pattern coverage: 83.793% (106 MiB out of 127 MiB reference memory)

When I umount the USB drive 4.029
Then I find very few patterns in the guest's memory after 3 seconds 5.858

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

# read cache
When I mount the USB drive again 0.560
And I read the content of the test FS 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 2.805

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

When I umount the USB drive 0.361
Then I find very few patterns in the guest's memory after 3 seconds 6.471

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

After features/support/hooks.rb:330 0.911
After features/support/hooks.rb:100 0.000
1:9.902
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 8.024
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.891
Then I find very few patterns in the guest's memory 2.900

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

# write cache
When I fill the USB drive with a known pattern 1.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.018

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

When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 5.879

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

# read cache
When I mount the USB drive again 3.995
And I read the content of the test FS 0.418
Then patterns cover at least 99% of the test FS size in the guest's memory 3.211

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

When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 6.245

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

After features/support/hooks.rb:330 0.962
After features/support/hooks.rb:100 0.000
50.691
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 7.883
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 17.386
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.621
Then patterns cover at least 128 MiB in the guest's memory 2.655

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.723

Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)

After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.000
7:13.989
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 6:28.564
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.795
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.233

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

After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.010