Project Number Date
test_Tails_ISO_20297-debug-proxy-refusing-connections 52 06 May 2025, 17:22

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 12:42.522 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.
26.599
Before features/support/hooks.rb:271 0.000
Before features/support/hooks.rb:278 0.004
Given I have started Tails from DVD without network and logged in 8.915
And I prepare Tails for memory erasure tests 0.522
When I start a process allocating 128 MiB of memory with a known pattern 2.407
Then patterns cover at least 128 MiB in the guest's memory 4.437

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

When I kill the allocating process 1.394
Then I find very few patterns in the guest's memory after 5 seconds 8.922

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:335 0.816
After features/support/hooks.rb:105 0.000
26.894
Before features/support/hooks.rb:271 0.000
Before features/support/hooks.rb:278 0.003
Given I have started Tails from DVD without network and logged in 8.495
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 3.939

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.386
Then patterns cover at least 99% of the test FS size in the guest's memory 4.150

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

When I umount "/mnt" 0.645
Then I find very few patterns in the guest's memory after 3 seconds 6.816

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

After features/support/hooks.rb:335 0.804
After features/support/hooks.rb:105 0.000
1:2.997
Before features/support/hooks.rb:271 0.000
Before features/support/hooks.rb:278 0.002
Given I have started Tails from DVD without network and logged in 8.141
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.318
Then I find very few patterns in the guest's memory 4.489

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

# write cache
When I fill the USB drive with a known pattern 3.696
Then patterns cover at least 75% of the test FS size in the guest's memory 4.498

Pattern coverage: 87.917% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.316
Then I find very few patterns in the guest's memory after 3 seconds 11.109

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

# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.427
Then patterns cover at least 99% of the test FS size in the guest's memory 8.415

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

When I umount the USB drive 0.691
Then I find very few patterns in the guest's memory after 3 seconds 8.211

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

After features/support/hooks.rb:335 1.032
After features/support/hooks.rb:105 0.000
1:26.319
Before features/support/hooks.rb:271 0.000
Before features/support/hooks.rb:278 0.003
Given I have started Tails from DVD without network and logged in 8.824
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.983
Then I find very few patterns in the guest's memory 3.671

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.085
Then patterns cover at least 99% of the test FS size in the guest's memory 3.326

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

When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 6.338

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

# read cache
When I mount the USB drive again 4.579
And I read the content of the test FS 4.074
Then patterns cover at least 99% of the test FS size in the guest's memory 3.634

Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 6.181

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:335 1.622
After features/support/hooks.rb:105 0.000
58.624
Before features/support/hooks.rb:271 0.000
Before features/support/hooks.rb:278 0.002
Given I have started Tails from DVD without network and logged in 8.269
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the root filesystem 20.133
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.390
Then patterns cover at least 128 MiB in the guest's memory 3.492

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.914

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

After features/support/hooks.rb:335 3.544
After features/support/hooks.rb:105 0.000
8:21.088
Before features/support/hooks.rb:271 0.000
Before features/support/hooks.rb:278 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:35.459
And I prepare Tails for memory erasure tests 0.912
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.423
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.278

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

After features/support/hooks.rb:335 3.519
After features/support/hooks.rb:105 0.014