Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 17 17 Mar 2025, 23:01

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 12:14.511 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.
28.016
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 8.417
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 4.872
Then patterns cover at least 128 MiB in the guest's memory 4.604

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

When I kill the allocating process 1.361
Then I find very few patterns in the guest's memory after 5 seconds 8.277

Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)

After features/support/hooks.rb:330 0.814
After features/support/hooks.rb:100 0.000
25.863
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 8.550
And I prepare Tails for memory erasure tests 0.609
And I find very few patterns in the guest's memory 3.490

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.264
Then patterns cover at least 99% of the test FS size in the guest's memory 4.077

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

When I umount "/mnt" 0.730
Then I find very few patterns in the guest's memory after 3 seconds 6.140

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

After features/support/hooks.rb:330 0.774
After features/support/hooks.rb:100 0.000
54.942
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 8.106
And I prepare Tails for memory erasure tests 0.509
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.509
Then I find very few patterns in the guest's memory 4.597

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

# write cache
When I fill the USB drive with a known pattern 3.094
Then patterns cover at least 75% of the test FS size in the guest's memory 4.881

Pattern coverage: 88.826% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.964
Then I find very few patterns in the guest's memory after 3 seconds 6.889

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

# read cache
When I mount the USB drive again 0.384
And I read the content of the test FS 0.796
Then patterns cover at least 99% of the test FS size in the guest's memory 4.427

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

When I umount the USB drive 1.816
Then I find very few patterns in the guest's memory after 3 seconds 6.964

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

After features/support/hooks.rb:330 1.340
After features/support/hooks.rb:100 0.000
1:23.305
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 9.289
And I prepare Tails for memory erasure tests 0.647
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.160
Then I find very few patterns in the guest's memory 4.005

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.435
Then patterns cover at least 99% of the test FS size in the guest's memory 3.476

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

When I umount the USB drive 1.214
Then I find very few patterns in the guest's memory after 3 seconds 6.105

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

# read cache
When I mount the USB drive again 9.111
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.465

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

When I umount the USB drive 0.700
Then I find very few patterns in the guest's memory after 3 seconds 6.165

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:330 1.457
After features/support/hooks.rb:100 0.000
52.634
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 9.306
And I prepare Tails for memory erasure tests 0.563
When I fill a 128 MiB file with a known pattern on the root filesystem 16.148
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.299
Then patterns cover at least 128 MiB in the guest's memory 3.436

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

When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.860

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

After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.000
8:9.748
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 7:23.317
And I prepare Tails for memory erasure tests 0.523
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.553
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 21.327

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

After features/support/hooks.rb:330 3.533
After features/support/hooks.rb:100 0.011