Project Number Date
test_Tails_ISO_15451-support-manual-fsck-on-error 27 18 Aug 2024, 16:35

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 11:1.477 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.
22.068
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.418
And I prepare Tails for memory erasure tests 0.468
When I start a process allocating 128 MiB of memory with a known pattern 2.335
Then patterns cover at least 128 MiB in the guest's memory 3.369

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

When I kill the allocating process 1.528
Then I find very few patterns in the guest's memory after 3 seconds 5.946

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

After features/support/hooks.rb:326 1.363
After features/support/hooks.rb:100 0.000
24.901
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 3.636

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.199
Then patterns cover at least 99% of the test FS size in the guest's memory 3.259

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

When I umount "/mnt" 0.826
Then I find very few patterns in the guest's memory after 3 seconds 6.486

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

After features/support/hooks.rb:326 1.181
After features/support/hooks.rb:100 0.000
46.775
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.059
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.999
Then I find very few patterns in the guest's memory 2.831

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

# write cache
When I fill the USB drive with a known pattern 2.841
Then patterns cover at least 75% of the test FS size in the guest's memory 3.292

Pattern coverage: 89.224% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.706
Then I find very few patterns in the guest's memory after 3 seconds 5.714

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

# read cache
When I mount the USB drive again 0.257
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.435

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

When I umount the USB drive 0.612
Then I find very few patterns in the guest's memory after 3 seconds 7.116

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

After features/support/hooks.rb:326 0.935
After features/support/hooks.rb:100 0.000
1:14.154
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.004
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.602
Then I find very few patterns in the guest's memory 2.329

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

# write cache
When I fill the USB drive with a known pattern 5.603
Then patterns cover at least 99% of the test FS size in the guest's memory 2.753

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

When I umount the USB drive 0.837
Then I find very few patterns in the guest's memory after 3 seconds 5.164

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

# read cache
When I mount the USB drive again 5.054
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.701

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

When I umount the USB drive 0.939
Then I find very few patterns in the guest's memory after 3 seconds 5.150

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

After features/support/hooks.rb:326 0.772
After features/support/hooks.rb:100 0.000
47.572
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.251
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 13.629
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.000
Then patterns cover at least 128 MiB in the guest's memory 2.520

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

When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.699

Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)

After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
7:26.004
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 6:40.759
And I prepare Tails for memory erasure tests 1.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.603
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.184

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.012