Author: kib
Date: Thu May 14 11:03:05 2009
New Revision: 192095
URL: http://svn.freebsd.org/changeset/base/192095
Log:
MFC r192001:
Prevent overflow of uio_resid.
Modified:
stable/7/sys/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/ath/ath_hal/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
stable/7/sys/kern/vfs_syscalls.c
Modified: stable/7/sys/kern/vfs_syscalls.c
==============================================================================
--- stable/7/sys/kern/vfs_syscalls.c Thu May 14 10:54:57 2009
(r192094)
+++ stable/7/sys/kern/vfs_syscalls.c Thu May 14 11:03:05 2009
(r192095)
@@ -2360,6 +2360,9 @@ kern_readlink(struct thread *td, char *p
struct nameidata nd;
int vfslocked;
+ if (count > INT_MAX)
+ return (EINVAL);
+
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKSHARED | LOCKLEAF | MPSAFE |
AUDITVNODE1, pathseg, path, td);
if ((error = namei(&nd)) != 0)
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