Date: Thu, 14 May 2009 11:03:06 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r192095 - in stable/7/sys: . contrib/pf dev/ath/ath_hal dev/cxgb kern Message-ID: <200905141103.n4EB36g2089216@svn.freebsd.org>
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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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