Project Number Date
test_Tails_ISO_stable 5231 29 Oct 2024, 20:56

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 11:17.225 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.
23.677
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.183
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 2.544
Then patterns cover at least 128 MiB in the guest's memory 4.761

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

When I kill the allocating process 1.408
Then I find very few patterns in the guest's memory after 3 seconds 6.377

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

After features/support/hooks.rb:326 1.122
After features/support/hooks.rb:100 0.000
23.752
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.033
And I prepare Tails for memory erasure tests 0.446
And I find very few patterns in the guest's memory 2.866

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.753
Then patterns cover at least 99% of the test FS size in the guest's memory 3.609

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

When I umount "/mnt" 0.454
Then I find very few patterns in the guest's memory after 3 seconds 6.587

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:326 1.053
After features/support/hooks.rb:100 0.000
48.518
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.962
And I prepare Tails for memory erasure tests 0.520
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.246
Then I find very few patterns in the guest's memory 3.871

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.405
Then patterns cover at least 75% of the test FS size in the guest's memory 3.747

Pattern coverage: 86.754% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.425
Then I find very few patterns in the guest's memory after 3 seconds 6.095

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.660
Then patterns cover at least 99% of the test FS size in the guest's memory 3.869

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

When I umount the USB drive 0.414
Then I find very few patterns in the guest's memory after 3 seconds 6.037

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:326 1.439
After features/support/hooks.rb:100 0.000
1:14.911
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.166
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.712
Then I find very few patterns in the guest's memory 2.682

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.327

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

When I umount the USB drive 2.263
Then I find very few patterns in the guest's memory after 3 seconds 5.717

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

# read cache
When I mount the USB drive again 5.408
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107

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

When I umount the USB drive 0.788
Then I find very few patterns in the guest's memory after 3 seconds 5.807

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

After features/support/hooks.rb:326 1.000
After features/support/hooks.rb:100 0.000
53.804
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.342
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the root filesystem 19.486
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.731
Then patterns cover at least 128 MiB in the guest's memory 3.066

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

When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.747

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

After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
7:32.561
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 6:48.969
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.882
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.253

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

After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.016