System Information
OS: Arch Linux
Kernel: x86_64 Linux 4.10.11-1-ARCH
CPU: Intel Core2 Quad Q9550 @ 4x 2.85GHz [40.0°C]
GPU: GeForce GT 630, GeForce GT 610
RAM: 4923MiB / 7987MiB
Blender Version
2.78c - 2017-02-24 | 14:33
hash: e92f2352830
branch: makepkg
2.78c - from the blender website.
Short description of error
When cutting a locked strip in the sequencer, It gets cut.
Exact steps for others to reproduce the error
open the sequencer > import a scene > lock the strip [Shift - L] > select it > soft (or hard) cut it [K]