CUDA program throwing memory leak error?

You forgot to allocate memory for char **c . Therefore, in the error-causing line c is a "dead pointer", i.e. Either equal to NULL or referring to a section of memory that is not owned by your program.

In other words c points to an empty, unallocated array of C strings. Adressing the c0 element (supposedly the first string in the array, which does not exist) is illegal and gives you a segmentation fault, because you're trying to write something (the value of d ) into a location which you do not own.

Firstly, from the code it's not at all clear what you are trying to do so perhaps adding this to the Q would help. Secondly what exactly is the error message you are getting from the compiler?

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