From 80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea Mon Sep 17 00:00:00 2001 From: kib Date: Tue, 21 Feb 2012 01:05:12 +0000 Subject: Fix found places where uio_resid is truncated to int. Add the sysctl debug.iosize_max_clamp, enabled by default. Setting the sysctl to zero allows to perform the SSIZE_MAX-sized i/o requests from the usermode. Discussed with: bde, das (previous versions) MFC after: 1 month --- sys/kern/kern_ktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'sys/kern/kern_ktrace.c') diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 120733e..2c6e36c 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -684,7 +684,7 @@ ktrgenio(fd, rw, uio, error) } uio->uio_offset = 0; uio->uio_rw = UIO_WRITE; - datalen = imin(uio->uio_resid, ktr_geniosize); + datalen = MIN(uio->uio_resid, ktr_geniosize); buf = malloc(datalen, M_KTRACE, M_WAITOK); error = uiomove(buf, datalen, uio); free(uio, M_IOV); -- cgit v1.1