Access Violation in nvngx_dlssd.dll During Call to NVSDK_NGX_SetInfoCallback

[lotexiu]

Summary:
An access violation error occurs in the nvngx_dlssd.dll library during a call to NVSDK_NGX_SetInfoCallback. The error is triggered by an attempt to read from a null pointer address.

Details:

Exception Code: c0000005 (Access Violation)
Exception Address: nvngx_dlssd!NVSDK_NGX_SetInfoCallback+0x8b48
Read Address: 0x0000000000000048
Fault Type: Read Access Violation
Affected Process: NvRemixBridge.exe
Fault Bucket ID: NULL_CLASS_PTR_READ_c0000005_nvngx_dlssd.dll!Unknown
Operating System Version: Windows 10 (10.0.19041.1)
Image Version: nvngx_dlssd.dll Version 3.7.0.0
Stack Trace:
The stack trace shows that the access violation occurred at nvngx_dlssd!NVSDK_NGX_SetInfoCallback+0x8b48 while the process was interacting with the NVSDK_NGX API.

Reproduction Steps:

Launch NvRemixBridge.exe.
Perform actions that trigger the NVSDK_NGX_SetInfoCallback function.
Observe the access violation error.
Additional Information:

Memory Commit Peak: 201 MB
Elapsed Time: 33,099 ms
IO Read/Write: Read 0 MB, Write 41 MB
Impact:
This issue may lead to application crashes or unexpected behavior when interacting with the NVSDK_NGX API.

Please investigate this issue to identify the root cause and implement a fix. If further details are required, additional logs and a dump file are available for review.
NvRemixBridge.exe_20240810_201752.dmp
NvRemixBridge.log
d3d9.log
exception.dmp
exception.log

Another details:
NVIDIAGameWorks/rtx-remix#581