Project Number Date
test_Tails_ISO_20979-pdfarranger 14 09 Jun 2025, 02:34

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 10:56.575 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.
22.296
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 7.888
And I prepare Tails for memory erasure tests 0.392
When I start a process allocating 128 MiB of memory with a known pattern 1.179
Then patterns cover at least 128 MiB in the guest's memory 3.395

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

When I kill the allocating process 0.793
Then I find very few patterns in the guest's memory after 5 seconds 8.646

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

After features/support/hooks.rb:330 0.650
After features/support/hooks.rb:100 0.000
24.984
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 8.181
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 3.807

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.520
Then patterns cover at least 99% of the test FS size in the guest's memory 4.000

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

When I umount "/mnt" 0.476
Then I find very few patterns in the guest's memory after 3 seconds 6.603

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

After features/support/hooks.rb:330 0.676
After features/support/hooks.rb:100 0.000
45.417
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 7.980
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.042
Then I find very few patterns in the guest's memory 3.686

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.219
Then patterns cover at least 75% of the test FS size in the guest's memory 4.161

Pattern coverage: 85.713% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.836
Then I find very few patterns in the guest's memory after 3 seconds 5.896

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 3.662

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

When I umount the USB drive 0.325
Then I find very few patterns in the guest's memory after 3 seconds 6.471

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 0.590
After features/support/hooks.rb:100 0.000
1:12.248
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 7.875
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.105
Then I find very few patterns in the guest's memory 2.417

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.608
Then patterns cover at least 99% of the test FS size in the guest's memory 2.855

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

When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 5.940

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

# read cache
When I mount the USB drive again 3.375
And I read the content of the test FS 0.577
Then patterns cover at least 99% of the test FS size in the guest's memory 3.281

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

When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.800

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 1.651
After features/support/hooks.rb:100 0.000
51.189
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 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 17.060
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.142
Then patterns cover at least 128 MiB in the guest's memory 2.802

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 20.711

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 3.512
After features/support/hooks.rb:100 0.000
7:20.440
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 6:34.545
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.375
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.126

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

After features/support/hooks.rb:330 3.471
After features/support/hooks.rb:100 0.011