Project Number Date
test_Tails_ISO_improved-new-identity-scenario 14 13 May 2025, 13:52

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 11:40.287 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.
22.835
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.166
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.283
Then patterns cover at least 128 MiB in the guest's memory 3.431

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

When I kill the allocating process 0.368
Then I find very few patterns in the guest's memory after 5 seconds 8.178

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

After features/support/hooks.rb:330 0.838
After features/support/hooks.rb:100 0.000
38.915
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 22.689
And I prepare Tails for memory erasure tests 0.486
And I find very few patterns in the guest's memory 3.100

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 1.771
Then patterns cover at least 99% of the test FS size in the guest's memory 4.098

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

When I umount "/mnt" 0.348
Then I find very few patterns in the guest's memory after 3 seconds 6.421

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

After features/support/hooks.rb:330 0.717
After features/support/hooks.rb:100 0.000
52.936
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 8.180
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.712
Then I find very few patterns in the guest's memory 4.444

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

# write cache
When I fill the USB drive with a known pattern 2.472
Then patterns cover at least 75% of the test FS size in the guest's memory 6.847

Pattern coverage: 87.152% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 6.026

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

# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 1.073
Then patterns cover at least 99% of the test FS size in the guest's memory 3.317

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

When I umount the USB drive 0.959
Then I find very few patterns in the guest's memory after 3 seconds 6.156

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

After features/support/hooks.rb:330 0.969
After features/support/hooks.rb:100 0.000
1:17.323
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 8.317
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.871
Then I find very few patterns in the guest's memory 2.656

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.747
Then patterns cover at least 99% of the test FS size in the guest's memory 3.018

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

When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 5.695

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

# read cache
When I mount the USB drive again 7.349
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.697

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

When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 5.634

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:330 1.179
After features/support/hooks.rb:100 0.000
49.436
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 8.089
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 15.725
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.877
Then patterns cover at least 128 MiB in the guest's memory 2.512

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.801

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

After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.000
7:38.840
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 6:54.938
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.192
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.244

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

After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.020