Project Number Date
test_Tails_ISO_19139-arti-bridges 34 17 Dec 2024, 22:47

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 11:35.674 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.
24.065
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.124
And I prepare Tails for memory erasure tests 0.513
When I start a process allocating 128 MiB of memory with a known pattern 2.463
Then patterns cover at least 128 MiB in the guest's memory 4.652

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

When I kill the allocating process 1.768
Then I find very few patterns in the guest's memory after 3 seconds 6.542

Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)

After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
25.685
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.366
And I prepare Tails for memory erasure tests 0.426
And I find very few patterns in the guest's memory 3.281

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.028
Then patterns cover at least 99% of the test FS size in the guest's memory 3.687

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

When I umount "/mnt" 0.718
Then I find very few patterns in the guest's memory after 3 seconds 7.177

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

After features/support/hooks.rb:326 0.870
After features/support/hooks.rb:100 0.000
49.718
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.597
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.375
Then I find very few patterns in the guest's memory 3.296

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

# write cache
When I fill the USB drive with a known pattern 3.272
Then patterns cover at least 75% of the test FS size in the guest's memory 3.618

Pattern coverage: 87.237% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.287
Then I find very few patterns in the guest's memory after 3 seconds 6.097

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

# read cache
When I mount the USB drive again 0.277
And I read the content of the test FS 0.880
Then patterns cover at least 99% of the test FS size in the guest's memory 3.536

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

When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 6.321

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

After features/support/hooks.rb:326 0.856
After features/support/hooks.rb:100 0.000
1:17.119
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.234
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.319
Then I find very few patterns in the guest's memory 3.175

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

# write cache
When I fill the USB drive with a known pattern 1.828
Then patterns cover at least 99% of the test FS size in the guest's memory 2.939

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

When I umount the USB drive 0.827
Then I find very few patterns in the guest's memory after 3 seconds 6.065

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

# read cache
When I mount the USB drive again 6.494
And I read the content of the test FS 0.412
Then patterns cover at least 99% of the test FS size in the guest's memory 3.116

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

When I umount the USB drive 2.539
Then I find very few patterns in the guest's memory after 3 seconds 5.685

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

After features/support/hooks.rb:326 1.047
After features/support/hooks.rb:100 0.000
53.099
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.357
And I prepare Tails for memory erasure tests 1.172
When I fill a 128 MiB file with a known pattern on the root filesystem 17.467
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.176
Then patterns cover at least 128 MiB in the guest's memory 2.930

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.983

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.000
7:45.984
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.224
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.119
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.190

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

After features/support/hooks.rb:326 3.485
After features/support/hooks.rb:100 0.011