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eaf72f7b41("io_uring/uring_cmd: cleanup struct io_uring_cmd_data layout") removed most of the places assuming struct io_uring_cmd_data has sqes as its first field. However, the EAGAIN case in io_uring_cmd() still compares ioucmd->sqe to the struct io_uring_cmd_data pointer using a void * cast. Sincefa3595523d("io_uring: get rid of alloc cache init_once handling"), sqes is no longer io_uring_cmd_data's first field. As a result, the pointers will always compare unequal and memcpy() may be called with the same source and destination. Replace the incorrect void * cast with the address of the sqes field. Signed-off-by: Caleb Sander Mateos <csander@purestorage.com> Fixes:eaf72f7b41("io_uring/uring_cmd: cleanup struct io_uring_cmd_data layout") Link: https://lore.kernel.org/r/20250212204546.3751645-2-csander@purestorage.com Signed-off-by: Jens Axboe <axboe@kernel.dk>