Project Number Date
test_Tails_ISO_20950-remove-sshfs 5 16 May 2025, 23:42

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 11:40.347 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.
26.405
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 9.095
And I prepare Tails for memory erasure tests 0.486
When I start a process allocating 128 MiB of memory with a known pattern 2.307
Then patterns cover at least 128 MiB in the guest's memory 4.101

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

When I kill the allocating process 1.141
Then I find very few patterns in the guest's memory after 5 seconds 9.272

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

After features/support/hooks.rb:330 0.741
After features/support/hooks.rb:100 0.000
25.844
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 9.106
And I prepare Tails for memory erasure tests 0.525
And I find very few patterns in the guest's memory 3.588

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.889
Then patterns cover at least 99% of the test FS size in the guest's memory 3.826

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

When I umount "/mnt" 0.619
Then I find very few patterns in the guest's memory after 3 seconds 6.288

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

After features/support/hooks.rb:330 0.658
After features/support/hooks.rb:100 0.000
48.748
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 8.170
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.511
Then I find very few patterns in the guest's memory 3.557

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.989
Then patterns cover at least 75% of the test FS size in the guest's memory 4.226

Pattern coverage: 91.021% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.097
Then I find very few patterns in the guest's memory after 3 seconds 6.446

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.555
Then patterns cover at least 99% of the test FS size in the guest's memory 3.743

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

When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.395

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 0.968
After features/support/hooks.rb:100 0.000
1:14.149
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 7.867
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.554
Then I find very few patterns in the guest's memory 3.562

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

# write cache
When I fill the USB drive with a known pattern 1.614
Then patterns cover at least 99% of the test FS size in the guest's memory 3.197

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

When I umount the USB drive 0.630
Then I find very few patterns in the guest's memory after 3 seconds 5.900

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

# read cache
When I mount the USB drive again 4.015
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.217

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

When I umount the USB drive 0.509
Then I find very few patterns in the guest's memory after 3 seconds 6.080

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

After features/support/hooks.rb:330 1.583
After features/support/hooks.rb:100 0.000
51.771
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 8.414
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the root filesystem 17.152
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.863
Then patterns cover at least 128 MiB in the guest's memory 3.022

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 20.851

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

After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.000
7:53.428
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 7:6.568
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.092
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.304

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

After features/support/hooks.rb:330 3.521
After features/support/hooks.rb:100 0.013