Author: kib
Date: Wed Jul 16 14:08:01 2014
New Revision: 268766
URL: http://svnweb.freebsd.org/changeset/base/268766
Log:
Do not ignore error from tmpfs_alloc_vp(). It results in access to
the random memory.
Reported and tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Modified:
head/sys/fs/tmpfs/tmpfs_vnops.c
Modified: head/sys/fs/tmpfs/tmpfs_vnops.c
==============================================================================
--- head/sys/fs/tmpfs/tmpfs_vnops.c Wed Jul 16 14:06:16 2014
(r268765)
+++ head/sys/fs/tmpfs/tmpfs_vnops.c Wed Jul 16 14:08:01 2014
(r268766)
@@ -185,7 +185,9 @@ tmpfs_lookup(struct vop_cachedlookup_arg
cnp->cn_flags |= SAVENAME;
} else {
error = tmpfs_alloc_vp(dvp->v_mount, tnode,
- cnp->cn_lkflags, vpp);
+ cnp->cn_lkflags, vpp);
+ if (error != 0)
+ goto out;
}
}
}
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