Project Number Date
test_Tails_ISO_20950-remove-sshfs 2 14 May 2025, 00:54

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 10:44.422 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.
22.811
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 7.956
And I prepare Tails for memory erasure tests 0.392
When I start a process allocating 128 MiB of memory with a known pattern 2.413
Then patterns cover at least 128 MiB in the guest's memory 3.425

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

When I kill the allocating process 0.265
Then I find very few patterns in the guest's memory after 5 seconds 8.356

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.747
After features/support/hooks.rb:100 0.000
23.945
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 0.514
And I find very few patterns in the guest's memory 3.037

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.866
Then patterns cover at least 99% of the test FS size in the guest's memory 3.675

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

When I umount "/mnt" 0.531
Then I find very few patterns in the guest's memory after 3 seconds 6.294

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 0.701
After features/support/hooks.rb:100 0.000
47.743
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 8.115
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.989
Then I find very few patterns in the guest's memory 3.075

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 4.583
Then patterns cover at least 75% of the test FS size in the guest's memory 3.649

Pattern coverage: 90.519% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.921
Then I find very few patterns in the guest's memory after 3 seconds 6.108

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.580
Then patterns cover at least 99% of the test FS size in the guest's memory 3.488

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

When I umount the USB drive 0.394
Then I find very few patterns in the guest's memory after 3 seconds 6.129

Pattern coverage: 0.001% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 0.928
After features/support/hooks.rb:100 0.000
1:8.797
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 7.908
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.964
Then I find very few patterns in the guest's memory 2.726

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

# write cache
When I fill the USB drive with a known pattern 1.872
Then patterns cover at least 99% of the test FS size in the guest's memory 2.950

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

When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.550

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

# read cache
When I mount the USB drive again 4.021
And I read the content of the test FS 0.493
Then patterns cover at least 99% of the test FS size in the guest's memory 2.948

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

When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 5.586

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

After features/support/hooks.rb:330 1.236
After features/support/hooks.rb:100 0.000
49.233
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 9.135
And I prepare Tails for memory erasure tests 0.632
When I fill a 128 MiB file with a known pattern on the root filesystem 13.991
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.930
Then patterns cover at least 128 MiB in the guest's memory 2.786

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 20.742

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 3.477
After features/support/hooks.rb:100 0.000
7:11.892
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 6:29.613
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.631
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.208

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

After features/support/hooks.rb:330 3.484
After features/support/hooks.rb:100 0.011