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Change History

In the Linux kernel, the following vulnerability has been resolved:

amdkfd: properly free gang_ctx_bo when failed to init user queue

The destructor of a gtt bo is declared as
void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void **mem_obj);
Which takes void** as the second parameter.

GCC allows passing void* to the function because void* can be implicitly
casted to any other types, so it can pass compiling.

However, passing this void* parameter into the function's
execution proces

https://git.kernel.org/stable/c/091a68c58c1bbd2ab7d05d1b32c1306394ec691d

https://git.kernel.org/stable/c/a33f7f9660705fb2ecf3467b2c48965564f392ce

https://git.kernel.org/stable/c/ae5ab1c1ae504f622cc1ff48830a9ed48428146d