svn commit: r208671 - head/sys/fs/udf
Andriy Gapon
avg at FreeBSD.org
Mon May 31 09:08:44 UTC 2010
Author: avg
Date: Mon May 31 09:08:44 2010
New Revision: 208671
URL: http://svn.freebsd.org/changeset/base/208671
Log:
udf_readlink: fix malloc call with uninitialized size parameter
Found by: clang static analyzer
MFC after: 4 days
Modified:
head/sys/fs/udf/udf_vnops.c
Modified: head/sys/fs/udf/udf_vnops.c
==============================================================================
--- head/sys/fs/udf/udf_vnops.c Mon May 31 09:07:23 2010 (r208670)
+++ head/sys/fs/udf/udf_vnops.c Mon May 31 09:08:44 2010 (r208671)
@@ -904,9 +904,9 @@ udf_readlink(struct vop_readlink_args *a
vp = ap->a_vp;
node = VTON(vp);
len = le64toh(node->fentry->inf_len);
+ iov[0].iov_len = len;
buf = malloc(iov[0].iov_len, M_DEVBUF, M_WAITOK);
iov[0].iov_base = buf;
- iov[0].iov_len = len;
uio.uio_iov = iov;
uio.uio_iovcnt = 1;
uio.uio_offset = 0;
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