Project Number Date
test_Tails_ISO_20950-remove-sshfs 1 13 May 2025, 13:49

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 11:1.394 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.
23.348
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 8.075
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.317
Then patterns cover at least 128 MiB in the guest's memory 3.502

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

When I kill the allocating process 0.730
Then I find very few patterns in the guest's memory after 5 seconds 8.297

Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)

After features/support/hooks.rb:330 0.828
After features/support/hooks.rb:100 0.000
25.094
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 8.147
And I prepare Tails for memory erasure tests 0.434
And I find very few patterns in the guest's memory 3.327

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.622
Then patterns cover at least 99% of the test FS size in the guest's memory 3.855

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

When I umount "/mnt" 0.579
Then I find very few patterns in the guest's memory after 3 seconds 6.128

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

After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
46.024
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 8.112
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.108
Then I find very few patterns in the guest's memory 3.350

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.447
Then patterns cover at least 75% of the test FS size in the guest's memory 3.579

Pattern coverage: 87.470% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.235
Then I find very few patterns in the guest's memory after 3 seconds 5.959

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 0.193
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.564

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

When I umount the USB drive 0.464
Then I find very few patterns in the guest's memory after 3 seconds 6.035

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 0.750
After features/support/hooks.rb:100 0.000
1:12.007
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 8.125
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.079
Then I find very few patterns in the guest's memory 2.648

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

# write cache
When I fill the USB drive with a known pattern 1.596
Then patterns cover at least 99% of the test FS size in the guest's memory 2.858

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

When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 5.497

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

# read cache
When I mount the USB drive again 4.112
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 3.060

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

When I umount the USB drive 0.972
Then I find very few patterns in the guest's memory after 3 seconds 5.560

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

After features/support/hooks.rb:330 1.549
After features/support/hooks.rb:100 0.000
48.704
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 8.185
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the root filesystem 14.297
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 2.899

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 20.835

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

After features/support/hooks.rb:330 3.514
After features/support/hooks.rb:100 0.000
7:26.215
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 6:42.471
And I prepare Tails for memory erasure tests 0.781
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.721
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.218

Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)

After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.013