Project Number Date
test_Tails_ISO_20297-debug-proxy-refusing-connections 14 04 Apr 2025, 18:37

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 10:53.570 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.
23.313
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 8.084
And I prepare Tails for memory erasure tests 0.394
When I start a process allocating 128 MiB of memory with a known pattern 2.318
Then patterns cover at least 128 MiB in the guest's memory 3.543

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

When I kill the allocating process 0.828
Then I find very few patterns in the guest's memory after 5 seconds 8.143

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

After features/support/hooks.rb:330 0.812
After features/support/hooks.rb:100 0.000
22.979
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 8.027
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 2.893

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.974
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301

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

When I umount "/mnt" 0.589
Then I find very few patterns in the guest's memory after 3 seconds 5.784

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:330 0.639
After features/support/hooks.rb:100 0.000
48.545
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 8.009
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.021
Then I find very few patterns in the guest's memory 3.424

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

# write cache
When I fill the USB drive with a known pattern 2.498
Then patterns cover at least 75% of the test FS size in the guest's memory 4.229

Pattern coverage: 89.515% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.529
Then I find very few patterns in the guest's memory after 3 seconds 6.185

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

# read cache
When I mount the USB drive again 0.390
And I read the content of the test FS 0.816
Then patterns cover at least 99% of the test FS size in the guest's memory 3.815

Pattern coverage: 100.596% (128 MiB out of 127 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 6.486

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

After features/support/hooks.rb:330 0.742
After features/support/hooks.rb:100 0.000
1:16.118
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 9.631
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.926
Then I find very few patterns in the guest's memory 2.629

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

# write cache
When I fill the USB drive with a known pattern 1.673
Then patterns cover at least 99% of the test FS size in the guest's memory 2.806

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

When I umount the USB drive 2.083
Then I find very few patterns in the guest's memory after 3 seconds 5.489

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

# read cache
When I mount the USB drive again 4.351
And I read the content of the test FS 0.507
Then patterns cover at least 99% of the test FS size in the guest's memory 3.131

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

When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 5.917

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

After features/support/hooks.rb:330 1.370
After features/support/hooks.rb:100 0.000
50.172
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 8.014
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 15.310
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.463
Then patterns cover at least 128 MiB in the guest's memory 3.129

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

When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 20.825

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 3.477
After features/support/hooks.rb:100 0.000
7:12.441
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:27.253
And I prepare Tails for memory erasure tests 1.256
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.832
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.085

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

After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.009