Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 10 10 Mar 2025, 23:19

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 11:34.340 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.
24.559
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.310
And I prepare Tails for memory erasure tests 0.456
When I start a process allocating 128 MiB of memory with a known pattern 2.348
Then patterns cover at least 128 MiB in the guest's memory 3.626

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

When I kill the allocating process 0.527
Then I find very few patterns in the guest's memory after 5 seconds 9.289

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:330 2.544
After features/support/hooks.rb:100 0.000
33.623
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.792
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.316

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.223
Then patterns cover at least 99% of the test FS size in the guest's memory 5.142

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

When I umount "/mnt" 5.208
Then I find very few patterns in the guest's memory after 3 seconds 7.529

Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)

After features/support/hooks.rb:330 0.881
After features/support/hooks.rb:100 0.000
49.773
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.047
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.530
Then I find very few patterns in the guest's memory 3.876

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.205
Then patterns cover at least 75% of the test FS size in the guest's memory 3.765

Pattern coverage: 90.170% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.687
Then I find very few patterns in the guest's memory after 3 seconds 6.622

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.322
And I read the content of the test FS 0.888
Then patterns cover at least 99% of the test FS size in the guest's memory 3.530

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

When I umount the USB drive 0.818
Then I find very few patterns in the guest's memory after 3 seconds 6.053

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 0.978
After features/support/hooks.rb:100 0.000
1:19.903
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.144
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.029
Then I find very few patterns in the guest's memory 2.680

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

# write cache
When I fill the USB drive with a known pattern 2.390
Then patterns cover at least 99% of the test FS size in the guest's memory 3.113

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

When I umount the USB drive 1.126
Then I find very few patterns in the guest's memory after 3 seconds 5.883

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

# read cache
When I mount the USB drive again 10.463
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 3.162

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

When I umount the USB drive 2.048
Then I find very few patterns in the guest's memory after 3 seconds 5.854

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

After features/support/hooks.rb:330 1.487
After features/support/hooks.rb:100 0.000
52.391
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.947
And I prepare Tails for memory erasure tests 0.494
When I fill a 128 MiB file with a known pattern on the root filesystem 17.423
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.965
Then patterns cover at least 128 MiB in the guest's memory 2.772

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.776

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

After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.000
7:34.088
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.727
And I prepare Tails for memory erasure tests 0.877
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.204
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.264

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.012