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authorDan Carpenter <error27@gmail.com>2010-07-13 13:34:59 +0200
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-07-30 15:33:39 -0400
commit674b2222920012244ca59978b356b25412a8dcc7 (patch)
tree01b3673031df1fb3b9a3f5c8f3394f1c0036dde6 /include
parenta2dccdb2055abeb8a7ce8e45e5f83de9c980a00c (diff)
downloadlinux-2.6.34-ux500-674b2222920012244ca59978b356b25412a8dcc7.tar.gz
nfs: include space for the NUL in root path
In root_nfs_name() it does the following: if (strlen(buf) + strlen(cp) > NFS_MAXPATHLEN) { printk(KERN_ERR "Root-NFS: Pathname for remote directory too long.\n"); return -1; } sprintf(nfs_export_path, buf, cp); In the original code if (strlen(buf) + strlen(cp) == NFS_MAXPATHLEN) then the sprintf() would lead to an overflow. Generally the rest of the code assumes that the path can have NFS_MAXPATHLEN (1024) characters and a NUL terminator so the fix is to add space to the nfs_export_path[] buffer. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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