Project Number Date
test_Tails_ISO_20522-ocr-more 30 08 Jan 2025, 05:30

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 10:52.696 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.
20.064
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.965
And I prepare Tails for memory erasure tests 0.565
When I start a process allocating 128 MiB of memory with a known pattern 1.193
Then patterns cover at least 128 MiB in the guest's memory 3.318

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

When I kill the allocating process 1.192
Then I find very few patterns in the guest's memory after 3 seconds 5.829

Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)

After features/support/hooks.rb:326 0.722
After features/support/hooks.rb:100 0.000
24.607
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.178
And I prepare Tails for memory erasure tests 0.578
And I find very few patterns in the guest's memory 3.617

Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.247
Then patterns cover at least 99% of the test FS size in the guest's memory 4.034

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

When I umount "/mnt" 0.266
Then I find very few patterns in the guest's memory after 3 seconds 6.683

Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)

After features/support/hooks.rb:326 0.698
After features/support/hooks.rb:100 0.000
44.962
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.022
And I prepare Tails for memory erasure tests 0.619
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.099
Then I find very few patterns in the guest's memory 3.497

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.309
Then patterns cover at least 75% of the test FS size in the guest's memory 3.122

Pattern coverage: 80.646% (102 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.108
Then I find very few patterns in the guest's memory after 3 seconds 5.684

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

# read cache
When I mount the USB drive again 0.253
And I read the content of the test FS 0.686
Then patterns cover at least 99% of the test FS size in the guest's memory 3.336

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

When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 5.724

Pattern coverage: 0.000% (0 MiB out of 676 MiB reference memory)

After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
1:12.810
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.017
And I prepare Tails for memory erasure tests 0.642
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.601
Then I find very few patterns in the guest's memory 3.008

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.302

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

When I umount the USB drive 0.971
Then I find very few patterns in the guest's memory after 3 seconds 5.686

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

# read cache
When I mount the USB drive again 4.283
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 2.820

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

When I umount the USB drive 0.553
Then I find very few patterns in the guest's memory after 3 seconds 5.902

Pattern coverage: 0.000% (0 MiB out of 677 MiB reference memory)

After features/support/hooks.rb:326 0.935
After features/support/hooks.rb:100 0.000
49.093
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.009
And I prepare Tails for memory erasure tests 0.588
When I fill a 128 MiB file with a known pattern on the root filesystem 14.693
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.486
Then patterns cover at least 128 MiB in the guest's memory 3.277

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 21.024

Pattern coverage: 0.000% (0 MiB out of 692 MiB reference memory)

After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
7:21.158
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.066
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.402
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.207

Pattern coverage: 0.000% (0 MiB out of 733 MiB reference memory)

After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.013