Project Number Date
test_Tails_ISO_15451-support-manual-fsck-on-error 26 17 Aug 2024, 16:31

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 10:45.289 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.
19.083
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.171
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 1.336
Then patterns cover at least 128 MiB in the guest's memory 3.452

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

When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 3 seconds 5.486

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 0.815
After features/support/hooks.rb:100 0.000
23.332
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.236
And I prepare Tails for memory erasure tests 0.371
And I find very few patterns in the guest's memory 2.798

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.198

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

When I umount "/mnt" 0.541
Then I find very few patterns in the guest's memory after 3 seconds 6.298

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

After features/support/hooks.rb:326 0.847
After features/support/hooks.rb:100 0.000
48.921
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.242
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.157
Then I find very few patterns in the guest's memory 3.675

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

# write cache
When I fill the USB drive with a known pattern 3.438
Then patterns cover at least 75% of the test FS size in the guest's memory 4.168

Pattern coverage: 87.562% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.618
Then I find very few patterns in the guest's memory after 3 seconds 6.483

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

# read cache
When I mount the USB drive again 0.273
And I read the content of the test FS 0.856
Then patterns cover at least 99% of the test FS size in the guest's memory 3.291

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

When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 5.739

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

After features/support/hooks.rb:326 0.850
After features/support/hooks.rb:100 0.000
1:9.901
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.170
Then I find very few patterns in the guest's memory 2.381

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.863
Then patterns cover at least 99% of the test FS size in the guest's memory 3.045

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

When I umount the USB drive 0.893
Then I find very few patterns in the guest's memory after 3 seconds 5.433

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

# read cache
When I mount the USB drive again 4.282
And I read the content of the test FS 0.415
Then patterns cover at least 99% of the test FS size in the guest's memory 2.731

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 5.337

Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)

After features/support/hooks.rb:326 0.886
After features/support/hooks.rb:100 0.000
49.569
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.435
And I prepare Tails for memory erasure tests 0.436
When I fill a 128 MiB file with a known pattern on the root filesystem 15.573
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.753
Then patterns cover at least 128 MiB in the guest's memory 2.614

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 20.742

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

After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.000
7:14.480
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 6:31.002
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.971
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.126

Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)

After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.012