From 42cde478e31ccfe1b6520dd6c54d4405e09bffc7 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Tue, 3 Jun 2025 16:41:21 -0400 Subject: kernel: device: Harden cdev mmap() bounds checks Signed-off-by: Ian Moffett --- sys/include/sys/device.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sys/include') diff --git a/sys/include/sys/device.h b/sys/include/sys/device.h index cb2a702..04b66fc 100644 --- a/sys/include/sys/device.h +++ b/sys/include/sys/device.h @@ -48,7 +48,7 @@ typedef int(*dev_bsize_t)(dev_t); struct cdevsw { int(*read)(dev_t dev, struct sio_txn *sio, int flags); int(*write)(dev_t dev, struct sio_txn *sio, int flags); - paddr_t(*mmap)(dev_t dev, off_t off, int flags); + paddr_t(*mmap)(dev_t dev, size_t size, off_t off, int flags); /* Private */ struct vm_object vmobj; -- cgit v1.2.3