C_libfreenect.md

libfreenect

Project Repo: https://github.com/OpenKinect/libfreenect/tree/d913755a25d09fbe2869a0d2acea78f589bfe6bf

Case 1

Program locations:

• https://github.com/OpenKinect/libfreenect/tree/d913755a25d09fbe2869a0d2acea78f589bfe6bf/wrappers/c_sync/libfreenect_sync.c#L220
• https://github.com/OpenKinect/libfreenect/tree/d913755a25d09fbe2869a0d2acea78f589bfe6bf/src/core.c#L133

Bug traces:

• <\tfreenect_init(&ctx, 0);, init_thread>
• <ctx, freenect_select_subdevices>

Explanation:

• The NULL value of pointer ctx at line 4 is passed as the first argument to the function freenect_select_subdevices at line 8.
• The NULL value of pointer ctx at line 1 is deferenced at line 3.