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Cast the int part to size_t to avoid this issue. Fixes: e227c8cdb47b ("io_uring/net: use passed in 'len' in io_recv_buf_select()") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202507150504.zO5FsCPm-lkp@intel.com/ Signed-off-by: Jens Axboe --- diff --git a/io_uring/net.c b/io_uring/net.c index 40f4ac0ab151..639f111408a1 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -1092,7 +1092,7 @@ static int io_recv_buf_select(struct io_kiocb *req, struct io_async_msghdr *kmsg if (*len) arg.max_len = *len; else if (kmsg->msg.msg_inq > 1) - arg.max_len = min_not_zero(*len, kmsg->msg.msg_inq); + arg.max_len = min_not_zero(*len, (size_t) kmsg->msg.msg_inq); ret = io_buffers_peek(req, &arg); if (unlikely(ret < 0)) -- Jens Axboe