Project Number Date
test_Tails_ISO_20828-wifi-firmware-missing 5 17 Mar 2025, 14:32

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 12:21.822 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.
25.049
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 8.346
And I prepare Tails for memory erasure tests 0.472
When I start a process allocating 128 MiB of memory with a known pattern 1.230
Then patterns cover at least 128 MiB in the guest's memory 4.425

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

When I kill the allocating process 1.671
Then I find very few patterns in the guest's memory after 5 seconds 8.903

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

After features/support/hooks.rb:330 1.353
After features/support/hooks.rb:100 0.000
27.623
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 8.376
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.915

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.505
Then patterns cover at least 99% of the test FS size in the guest's memory 4.630

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

When I umount "/mnt" 0.846
Then I find very few patterns in the guest's memory after 3 seconds 6.884

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

After features/support/hooks.rb:330 0.813
After features/support/hooks.rb:100 0.000
56.632
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 8.553
And I prepare Tails for memory erasure tests 0.527
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.743
Then I find very few patterns in the guest's memory 3.837

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

# write cache
When I fill the USB drive with a known pattern 2.650
Then patterns cover at least 75% of the test FS size in the guest's memory 4.235

Pattern coverage: 86.720% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.190
Then I find very few patterns in the guest's memory after 3 seconds 8.208

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

# read cache
When I mount the USB drive again 1.908
And I read the content of the test FS 0.847
Then patterns cover at least 99% of the test FS size in the guest's memory 5.195

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

When I umount the USB drive 0.804
Then I find very few patterns in the guest's memory after 3 seconds 6.930

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

After features/support/hooks.rb:330 1.061
After features/support/hooks.rb:100 0.000
1:22.194
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 8.434
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.448
Then I find very few patterns in the guest's memory 3.241

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

# write cache
When I fill the USB drive with a known pattern 1.971
Then patterns cover at least 99% of the test FS size in the guest's memory 3.668

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

When I umount the USB drive 2.201
Then I find very few patterns in the guest's memory after 3 seconds 6.204

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

# read cache
When I mount the USB drive again 5.672
And I read the content of the test FS 2.032
Then patterns cover at least 99% of the test FS size in the guest's memory 3.713

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.105
Then I find very few patterns in the guest's memory after 3 seconds 6.046

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

After features/support/hooks.rb:330 2.020
After features/support/hooks.rb:100 0.000
52.199
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 8.192
And I prepare Tails for memory erasure tests 1.054
When I fill a 128 MiB file with a known pattern on the root filesystem 16.591
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.242
Then patterns cover at least 128 MiB in the guest's memory 3.219

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

When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.879

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

After features/support/hooks.rb:330 3.609
After features/support/hooks.rb:100 0.000
8:18.122
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 7:30.769
And I prepare Tails for memory erasure tests 0.485
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.523
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.331

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

After features/support/hooks.rb:330 3.608
After features/support/hooks.rb:100 0.012