Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 15 15 Mar 2025, 22:14

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 12:20.112 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.
24.805
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 8.967
And I prepare Tails for memory erasure tests 0.448
When I start a process allocating 128 MiB of memory with a known pattern 2.327
Then patterns cover at least 128 MiB in the guest's memory 3.365

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

When I kill the allocating process 1.646
Then I find very few patterns in the guest's memory after 5 seconds 8.048

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 1.115
After features/support/hooks.rb:100 0.000
27.165
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 9.051
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 3.641

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 4.234

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

When I umount "/mnt" 0.834
Then I find very few patterns in the guest's memory after 3 seconds 6.809

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

After features/support/hooks.rb:330 0.983
After features/support/hooks.rb:100 0.000
56.273
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 8.243
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.216
Then I find very few patterns in the guest's memory 7.850

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

# write cache
When I fill the USB drive with a known pattern 3.513
Then patterns cover at least 75% of the test FS size in the guest's memory 5.236

Pattern coverage: 87.828% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.974
Then I find very few patterns in the guest's memory after 3 seconds 6.826

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

# read cache
When I mount the USB drive again 0.311
And I read the content of the test FS 1.013
Then patterns cover at least 99% of the test FS size in the guest's memory 4.223

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

When I umount the USB drive 0.679
Then I find very few patterns in the guest's memory after 3 seconds 6.685

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

After features/support/hooks.rb:330 1.475
After features/support/hooks.rb:100 0.000
1:16.005
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 8.447
And I prepare Tails for memory erasure tests 0.567
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.433
Then I find very few patterns in the guest's memory 2.976

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.043
Then patterns cover at least 99% of the test FS size in the guest's memory 3.100

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

When I umount the USB drive 0.904
Then I find very few patterns in the guest's memory after 3 seconds 5.449

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

# read cache
When I mount the USB drive again 5.388
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.251

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

When I umount the USB drive 0.778
Then I find very few patterns in the guest's memory after 3 seconds 6.019

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 2.189
After features/support/hooks.rb:100 0.000
56.637
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 9.344
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the root filesystem 16.354
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 6.646
Then patterns cover at least 128 MiB in the guest's memory 2.960

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

When I trigger shutdown 0.052
Then I find very few patterns in the guest's memory after 20 seconds 20.815

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:330 3.478
After features/support/hooks.rb:100 0.000
8:19.224
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 7:35.422
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.007
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.320

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.010