Project Number Date
test_Tails_ISO_20828-wifi-firmware-missing 16 28 Mar 2025, 14:36

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 12:9.974 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.
27.871
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 10.123
And I prepare Tails for memory erasure tests 0.493
When I start a process allocating 128 MiB of memory with a known pattern 2.802
Then patterns cover at least 128 MiB in the guest's memory 3.150

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

When I kill the allocating process 3.205
Then I find very few patterns in the guest's memory after 5 seconds 8.096

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

After features/support/hooks.rb:330 0.771
After features/support/hooks.rb:100 0.000
26.603
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 8.203
And I prepare Tails for memory erasure tests 0.572
And I find very few patterns in the guest's memory 3.294

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.544
Then patterns cover at least 99% of the test FS size in the guest's memory 6.108

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

When I umount "/mnt" 0.367
Then I find very few patterns in the guest's memory after 3 seconds 6.510

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

After features/support/hooks.rb:330 0.886
After features/support/hooks.rb:100 0.000
52.869
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 8.781
And I prepare Tails for memory erasure tests 0.697
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.283
Then I find very few patterns in the guest's memory 5.142

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

# write cache
When I fill the USB drive with a known pattern 2.836
Then patterns cover at least 75% of the test FS size in the guest's memory 4.738

Pattern coverage: 88.177% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.018
Then I find very few patterns in the guest's memory after 3 seconds 6.548

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

# read cache
When I mount the USB drive again 0.430
And I read the content of the test FS 0.932
Then patterns cover at least 99% of the test FS size in the guest's memory 4.258

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

When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 6.750

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

After features/support/hooks.rb:330 0.867
After features/support/hooks.rb:100 0.000
1:17.312
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 8.678
And I prepare Tails for memory erasure tests 0.556
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.609
Then I find very few patterns in the guest's memory 3.161

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

# write cache
When I fill the USB drive with a known pattern 1.915
Then patterns cover at least 99% of the test FS size in the guest's memory 3.847

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

When I umount the USB drive 1.715
Then I find very few patterns in the guest's memory after 3 seconds 6.489

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

# read cache
When I mount the USB drive again 4.436
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 3.630

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

When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 6.335

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

After features/support/hooks.rb:330 2.007
After features/support/hooks.rb:100 0.000
54.920
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 9.467
And I prepare Tails for memory erasure tests 0.545
When I fill a 128 MiB file with a known pattern on the root filesystem 17.959
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.239
Then patterns cover at least 128 MiB in the guest's memory 3.553

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

When I trigger shutdown 0.085
Then I find very few patterns in the guest's memory after 20 seconds 21.069

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 3.573
After features/support/hooks.rb:100 0.000
8:10.397
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 7:26.479
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.061
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.426

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:330 3.562
After features/support/hooks.rb:100 0.012