Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 20 31 Mar 2025, 13:16

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 12:19.797 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.
27.284
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 8.858
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 2.463
Then patterns cover at least 128 MiB in the guest's memory 5.414

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

When I kill the allocating process 1.049
Then I find very few patterns in the guest's memory after 5 seconds 9.039

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

After features/support/hooks.rb:330 1.066
After features/support/hooks.rb:100 0.000
27.099
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 9.019
And I prepare Tails for memory erasure tests 0.530
And I find very few patterns in the guest's memory 4.053

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.903
Then patterns cover at least 99% of the test FS size in the guest's memory 4.280

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

When I umount "/mnt" 0.320
Then I find very few patterns in the guest's memory after 3 seconds 6.992

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 0.885
After features/support/hooks.rb:100 0.000
57.984
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 8.931
And I prepare Tails for memory erasure tests 0.506
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.242
Then I find very few patterns in the guest's memory 3.894

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

# write cache
When I fill the USB drive with a known pattern 4.161
Then patterns cover at least 75% of the test FS size in the guest's memory 4.142

Pattern coverage: 86.827% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory after 3 seconds 7.085

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

# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 9.258

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

When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 7.669

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

After features/support/hooks.rb:330 1.527
After features/support/hooks.rb:100 0.000
1:39.020
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.717
And I prepare Tails for memory erasure tests 0.617
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 48.440
Then I find very few patterns in the guest's memory 6.113

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

# write cache
When I fill the USB drive with a known pattern 3.835
Then patterns cover at least 99% of the test FS size in the guest's memory 3.671

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

When I umount the USB drive 1.647
Then I find very few patterns in the guest's memory after 3 seconds 6.742

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

# read cache
When I mount the USB drive again 4.441
And I read the content of the test FS 0.610
Then patterns cover at least 99% of the test FS size in the guest's memory 3.340

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

When I umount the USB drive 2.085
Then I find very few patterns in the guest's memory after 3 seconds 6.757

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

After features/support/hooks.rb:330 1.883
After features/support/hooks.rb:100 0.000
51.032
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 8.770
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 15.604
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.229
Then patterns cover at least 128 MiB in the guest's memory 3.065

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 20.918

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:330 3.766
After features/support/hooks.rb:100 0.000
7:57.377
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 7:11.965
And I prepare Tails for memory erasure tests 0.877
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.136
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.384

Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)

After features/support/hooks.rb:330 3.520
After features/support/hooks.rb:100 0.013