On 04/17/2016 02:37 PM, Christoph Hellwig wrote: > Adding Doug as this involves the SG driver, which has a slightly > unusual usage of the blk-map.c code. > > Does anyone know if the __asan_storeN in the trace implies the memory > stored to was invalid and not the memory read from? Yes. In this case it attempted to write to memory that was already freed. Thanks, Sasha -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html