Project Number Date
test_Tails_ISO_20634-greeter-tps-upgrade-failure-fix 6 18 Dec 2024, 18:32

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 13:47.279 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.
32.798
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.819
And I prepare Tails for memory erasure tests 0.454
When I start a process allocating 128 MiB of memory with a known pattern 1.253
Then patterns cover at least 128 MiB in the guest's memory 9.676

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

When I kill the allocating process 0.309
Then I find very few patterns in the guest's memory after 3 seconds 10.284

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

After features/support/hooks.rb:326 1.113
After features/support/hooks.rb:100 0.000
40.252
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.436
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 5.711

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.016
Then patterns cover at least 99% of the test FS size in the guest's memory 8.939

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

When I umount "/mnt" 0.607
Then I find very few patterns in the guest's memory after 3 seconds 13.077

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 1.730
After features/support/hooks.rb:100 0.000
59.056
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 10.295
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.443
Then I find very few patterns in the guest's memory 4.384

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.258
Then patterns cover at least 75% of the test FS size in the guest's memory 4.082

Pattern coverage: 85.630% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.928
Then I find very few patterns in the guest's memory after 3 seconds 6.954

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

# read cache
When I mount the USB drive again 0.459
And I read the content of the test FS 2.929
Then patterns cover at least 99% of the test FS size in the guest's memory 4.202

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

When I umount the USB drive 1.056
Then I find very few patterns in the guest's memory after 3 seconds 7.604

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
1:28.995
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.167
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.740
Then I find very few patterns in the guest's memory 3.366

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.091
Then patterns cover at least 99% of the test FS size in the guest's memory 3.467

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

When I umount the USB drive 1.018
Then I find very few patterns in the guest's memory after 3 seconds 6.380

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

# read cache
When I mount the USB drive again 5.864
And I read the content of the test FS 5.229
Then patterns cover at least 99% of the test FS size in the guest's memory 4.008

Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 1.441
Then I find very few patterns in the guest's memory after 3 seconds 6.758

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 0.840
After features/support/hooks.rb:100 0.000
52.550
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.667
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 16.274
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.161
Then patterns cover at least 128 MiB in the guest's memory 2.978

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

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.024

Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)

After features/support/hooks.rb:326 3.578
After features/support/hooks.rb:100 0.000
9:13.625
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:24.583
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.099
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.463

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

After features/support/hooks.rb:326 3.645
After features/support/hooks.rb:100 0.017