Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 22 19 Nov 2024, 12:01

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 11:32.666 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.
23.892
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.401
And I prepare Tails for memory erasure tests 0.411
When I start a process allocating 128 MiB of memory with a known pattern 1.344
Then patterns cover at least 128 MiB in the guest's memory 4.497

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

When I kill the allocating process 1.400
Then I find very few patterns in the guest's memory after 3 seconds 6.837

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

After features/support/hooks.rb:326 1.064
After features/support/hooks.rb:100 0.000
27.519
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.408
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 3.918

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.340
Then patterns cover at least 99% of the test FS size in the guest's memory 4.031

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

When I umount "/mnt" 0.875
Then I find very few patterns in the guest's memory after 3 seconds 6.477

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.000
49.920
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.976
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.121
Then I find very few patterns in the guest's memory 2.646

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.121
Then patterns cover at least 75% of the test FS size in the guest's memory 4.176

Pattern coverage: 87.623% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.823
Then I find very few patterns in the guest's memory after 3 seconds 6.801

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

# read cache
When I mount the USB drive again 0.700
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 4.078

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

When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 6.759

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:326 0.960
After features/support/hooks.rb:100 0.000
1:18.549
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.178
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.228
Then I find very few patterns in the guest's memory 2.985

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.185
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585

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

When I umount the USB drive 0.967
Then I find very few patterns in the guest's memory after 3 seconds 6.109

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

# read cache
When I mount the USB drive again 4.744
And I read the content of the test FS 0.612
Then patterns cover at least 99% of the test FS size in the guest's memory 3.568

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

When I umount the USB drive 0.851
Then I find very few patterns in the guest's memory after 3 seconds 6.111

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 1.179
After features/support/hooks.rb:100 0.000
51.245
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.835
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 16.257
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.877
Then patterns cover at least 128 MiB in the guest's memory 3.033

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.758

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

After features/support/hooks.rb:326 3.477
After features/support/hooks.rb:100 0.000
7:41.537
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 6:54.390
And I prepare Tails for memory erasure tests 0.489
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.419
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.223

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

After features/support/hooks.rb:326 3.592
After features/support/hooks.rb:100 0.010