diff options
| author | dfr <dfr@FreeBSD.org> | 1998-12-26 17:14:37 +0000 |
|---|---|---|
| committer | dfr <dfr@FreeBSD.org> | 1998-12-26 17:14:37 +0000 |
| commit | 60ea4e55cbf87c368ca1d5684774c2362ebc64ce (patch) | |
| tree | 249c36751275b7be70e2fd23e9e21539bee10dbc /sys | |
| parent | 824f31bd96321a35b293500c91186981075394f8 (diff) | |
| download | FreeBSD-src-60ea4e55cbf87c368ca1d5684774c2362ebc64ce.zip FreeBSD-src-60ea4e55cbf87c368ca1d5684774c2362ebc64ce.tar.gz | |
Tweak ptrace(PT_READ_U) so that the last alpha register can be read.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/sys_process.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 330a2d6..4756127 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -28,7 +28,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: sys_process.c,v 1.39 1998/07/15 04:43:49 bde Exp $ + * $Id: sys_process.c,v 1.40 1998/07/29 18:41:30 dfr Exp $ */ #include <sys/param.h> @@ -407,7 +407,10 @@ ptrace(curp, uap) return (error); case PT_READ_U: - if ((uintptr_t)uap->addr > UPAGES * PAGE_SIZE - sizeof(long)) { + if ((uintptr_t)uap->addr > UPAGES * PAGE_SIZE - sizeof(int)) { + return EFAULT; + } + if ((uintptr_t)uap->addr & (sizeof(int) - 1)) { return EFAULT; } if (ptrace_read_u_check(p,(vm_offset_t) uap->addr, |
