Project Number Date
test_Tails_ISO_15451-support-manual-fsck-on-error 66 06 Sep 2024, 16:15

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 10:53.434 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.
21.160
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.297
Then patterns cover at least 128 MiB in the guest's memory 3.911

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

When I kill the allocating process 0.249
Then I find very few patterns in the guest's memory after 3 seconds 6.207

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

After features/support/hooks.rb:326 1.437
After features/support/hooks.rb:100 0.000
23.924
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.936
And I prepare Tails for memory erasure tests 0.499
And I find very few patterns in the guest's memory 3.606

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.529
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" 0.644
Then I find very few patterns in the guest's memory after 3 seconds 6.100

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

After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
49.770
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.033
Then I find very few patterns in the guest's memory 3.199

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

# write cache
When I fill the USB drive with a known pattern 3.118
Then patterns cover at least 75% of the test FS size in the guest's memory 4.033

Pattern coverage: 90.409% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.368
Then I find very few patterns in the guest's memory after 3 seconds 7.142

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

# read cache
When I mount the USB drive again 0.351
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 3.918

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

When I umount the USB drive 0.554
Then I find very few patterns in the guest's memory after 3 seconds 7.008

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

After features/support/hooks.rb:326 0.760
After features/support/hooks.rb:100 0.000
1:12.827
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 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.623
Then I find very few patterns in the guest's memory 2.770

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

# write cache
When I fill the USB drive with a known pattern 1.876
Then patterns cover at least 99% of the test FS size in the guest's memory 3.147

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

When I umount the USB drive 0.891
Then I find very few patterns in the guest's memory after 3 seconds 5.622

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

# read cache
When I mount the USB drive again 4.705
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 2.975

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

When I umount the USB drive 0.644
Then I find very few patterns in the guest's memory after 3 seconds 5.597

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

After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
48.484
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.984
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 14.637
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.844
Then patterns cover at least 128 MiB in the guest's memory 2.819

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 20.739

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

After features/support/hooks.rb:326 3.496
After features/support/hooks.rb:100 0.000
7:17.266
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 6:33.090
And I prepare Tails for memory erasure tests 0.371
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.574
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.215

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.011