Project Number Date
test_Tails_ISO_20297-debug-proxy-refusing-connections 17 07 Apr 2025, 18:43

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 11:32.241 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.
25.220
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 8.495
And I prepare Tails for memory erasure tests 0.428
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 4.248

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

When I kill the allocating process 0.955
Then I find very few patterns in the guest's memory after 5 seconds 8.774

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

After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
25.967
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 8.557
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 3.818

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.099
Then patterns cover at least 99% of the test FS size in the guest's memory 3.790

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

When I umount "/mnt" 0.502
Then I find very few patterns in the guest's memory after 3 seconds 6.754

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

After features/support/hooks.rb:330 0.717
After features/support/hooks.rb:100 0.000
55.965
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 8.979
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.293
Then I find very few patterns in the guest's memory 3.900

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

# write cache
When I fill the USB drive with a known pattern 3.938
Then patterns cover at least 75% of the test FS size in the guest's memory 4.480

Pattern coverage: 87.684% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.981
Then I find very few patterns in the guest's memory after 3 seconds 6.711

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

# read cache
When I mount the USB drive again 0.420
And I read the content of the test FS 4.559
Then patterns cover at least 99% of the test FS size in the guest's memory 4.206

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

When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory after 3 seconds 6.571

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

After features/support/hooks.rb:330 0.750
After features/support/hooks.rb:100 0.000
1:19.363
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 8.261
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" 37.886
Then I find very few patterns in the guest's memory 3.305

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

# write cache
When I fill the USB drive with a known pattern 2.750
Then patterns cover at least 99% of the test FS size in the guest's memory 3.406

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

When I umount the USB drive 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.021

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

# read cache
When I mount the USB drive again 4.097
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 3.423

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

When I umount the USB drive 2.520
Then I find very few patterns in the guest's memory after 3 seconds 6.006

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

After features/support/hooks.rb:330 1.308
After features/support/hooks.rb:100 0.000
53.801
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 8.384
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 16.219
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.359
Then patterns cover at least 128 MiB in the guest's memory 2.675

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 20.761

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

After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.000
7:31.923
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 6:45.682
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.382
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.369

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 3.556
After features/support/hooks.rb:100 0.012