hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

sunrpc: mark all struct rpc_procinfo instances as const 

struct rpc_procinfo contains function pointers, and marking it as
constant avoids it being able to be used as an attach vector for
code injections.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2017-05-12 15:36:49 +02:00 committed by Anna Schumaker
parent 9ae7d8ff29
commit 511e936bf2
16 changed files with 31 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/lockd/clnt4xdr.c
View File

@ -584,7 +584,7 @@ out:
.p_name = #proc, \
}
static struct rpc_procinfo nlm4_procedures[] = {
static const struct rpc_procinfo nlm4_procedures[] = {
PROC(TEST, testargs, testres),
PROC(LOCK, lockargs, res),
PROC(CANCEL, cancargs, res),

2
fs/lockd/clntxdr.c
View File

@ -582,7 +582,7 @@ out:
.p_name = #proc, \
}
static struct rpc_procinfo nlm_procedures[] = {
static const struct rpc_procinfo nlm_procedures[] = {
PROC(TEST, testargs, testres),
PROC(LOCK, lockargs, res),
PROC(CANCEL, cancargs, res),

2
fs/lockd/mon.c
View File

@ -531,7 +531,7 @@ static int nsm_xdr_dec_stat(struct rpc_rqst *rqstp,
#define SM_monres_sz 2
#define SM_unmonres_sz 1
static struct rpc_procinfo nsm_procedures[] = {
static const struct rpc_procinfo nsm_procedures[] = {
[NSMPROC_MON] = {
.p_proc = NSMPROC_MON,
.p_encode = nsm_xdr_enc_mon,

6
fs/nfs/internal.h
View File

@ -270,12 +270,12 @@ static inline bool nfs_match_open_context(const struct nfs_open_context *ctx1,
}
/* nfs2xdr.c */
extern struct rpc_procinfo nfs_procedures[];
extern const struct rpc_procinfo nfs_procedures[];
extern int nfs2_decode_dirent(struct xdr_stream *,
struct nfs_entry *, int);
/* nfs3xdr.c */
extern struct rpc_procinfo nfs3_procedures[];
extern const struct rpc_procinfo nfs3_procedures[];
extern int nfs3_decode_dirent(struct xdr_stream *,
struct nfs_entry *, int);
@ -292,7 +292,7 @@ extern const u32 nfs41_maxgetdevinfo_overhead;
/* nfs4proc.c */
#if IS_ENABLED(CONFIG_NFS_V4)
extern struct rpc_procinfo nfs4_procedures[];
extern const struct rpc_procinfo nfs4_procedures[];
#endif
#ifdef CONFIG_NFS_V4_SECURITY_LABEL

4
fs/nfs/mount_clnt.c
View File

@ -466,7 +466,7 @@ static int mnt_xdr_dec_mountres3(struct rpc_rqst *req,
return decode_auth_flavors(xdr, res);
}
static struct rpc_procinfo mnt_procedures[] = {
static const struct rpc_procinfo mnt_procedures[] = {
[MOUNTPROC_MNT] = {
.p_proc = MOUNTPROC_MNT,
.p_encode = mnt_xdr_enc_dirpath,
@ -485,7 +485,7 @@ static struct rpc_procinfo mnt_procedures[] = {
},
};
static struct rpc_procinfo mnt3_procedures[] = {
static const struct rpc_procinfo mnt3_procedures[] = {
[MOUNTPROC3_MNT] = {
.p_proc = MOUNTPROC3_MNT,
.p_encode = mnt_xdr_enc_dirpath,

2
fs/nfs/nfs2xdr.c
View File

@ -1152,7 +1152,7 @@ static int nfs_stat_to_errno(enum nfs_stat status)
.p_statidx = NFSPROC_##proc, \
.p_name = #proc, \
}
struct rpc_procinfo nfs_procedures[] = {
const struct rpc_procinfo nfs_procedures[] = {
PROC(GETATTR, fhandle, attrstat, 1),
PROC(SETATTR, sattrargs, attrstat, 0),
PROC(LOOKUP, diropargs, diropres, 2),

4
fs/nfs/nfs3xdr.c
View File

@ -2554,7 +2554,7 @@ static int nfs3_stat_to_errno(enum nfs_stat status)
.p_name = #proc, \
}
struct rpc_procinfo nfs3_procedures[] = {
const struct rpc_procinfo nfs3_procedures[] = {
PROC(GETATTR, getattr, getattr, 1),
PROC(SETATTR, setattr, setattr, 0),
PROC(LOOKUP, lookup, lookup, 2),
@ -2587,7 +2587,7 @@ const struct rpc_version nfs_version3 = {
};
#ifdef CONFIG_NFS_V3_ACL
static struct rpc_procinfo nfs3_acl_procedures[] = {
static const struct rpc_procinfo nfs3_acl_procedures[] = {
[ACLPROC3_GETACL] = {
.p_proc = ACLPROC3_GETACL,
.p_encode = nfs3_xdr_enc_getacl3args,

2
fs/nfs/nfs4_fs.h
View File

@ -493,7 +493,7 @@ static inline void nfs4_unregister_sysctl(void)
#endif
/* nfs4xdr.c */
extern struct rpc_procinfo nfs4_procedures[];
extern const struct rpc_procinfo nfs4_procedures[];
struct nfs4_mount_data;

2
fs/nfs/nfs4xdr.c
View File

@ -7594,7 +7594,7 @@ nfs4_stat_to_errno(int stat)
.p_name = #proc, \
}
struct rpc_procinfo nfs4_procedures[] = {
const struct rpc_procinfo nfs4_procedures[] = {
PROC(READ, enc_read, dec_read),
PROC(WRITE, enc_write, dec_write),
PROC(COMMIT, enc_commit, dec_commit),

2
fs/nfsd/nfs4callback.c
View File

@ -696,7 +696,7 @@ static int nfs4_xdr_dec_cb_notify_lock(struct rpc_rqst *rqstp,
.p_name = #proc, \
}
static struct rpc_procinfo nfs4_cb_procedures[] = {
static const struct rpc_procinfo nfs4_cb_procedures[] = {
PROC(CB_NULL, NULL, cb_null, cb_null),
PROC(CB_RECALL, COMPOUND, cb_recall, cb_recall),
#ifdef CONFIG_NFSD_PNFS

4
include/linux/sunrpc/clnt.h
View File

@ -39,7 +39,7 @@ struct rpc_clnt {
struct list_head cl_tasks; /* List of tasks */
spinlock_t cl_lock; /* spinlock */
struct rpc_xprt __rcu * cl_xprt; /* transport */
struct rpc_procinfo * cl_procinfo; /* procedure info */
const struct rpc_procinfo *cl_procinfo; /* procedure info */
u32 cl_prog, /* RPC program number */
cl_vers, /* RPC version number */
cl_maxproc; /* max procedure number */
@ -87,7 +87,7 @@ struct rpc_program {
struct rpc_version {
u32 number; /* version number */
unsigned int nrprocs; /* number of procs */
struct rpc_procinfo * procs; /* procedure array */
const struct rpc_procinfo *procs; /* procedure array */
unsigned int *counts; /* call counts */
};

2
include/linux/sunrpc/sched.h
View File

@ -22,7 +22,7 @@
*/
struct rpc_procinfo;
struct rpc_message {
struct rpc_procinfo * rpc_proc; /* Procedure information */
const struct rpc_procinfo *rpc_proc; /* Procedure information */
void * rpc_argp; /* Arguments */
void * rpc_resp; /* Result */
struct rpc_cred * rpc_cred; /* Credentials */

2
net/sunrpc/auth_gss/gss_rpc_upcall.c
View File

@ -63,7 +63,7 @@ enum {
.p_name = #proc, \
}
static struct rpc_procinfo gssp_procedures[] = {
static const struct rpc_procinfo gssp_procedures[] = {
PROC(INDICATE_MECHS, indicate_mechs),
PROC(GET_CALL_CONTEXT, get_call_context),
PROC(IMPORT_AND_CANON_NAME, import_and_canon_name),

4
net/sunrpc/clnt.c
View File

@ -1674,7 +1674,7 @@ call_allocate(struct rpc_task *task)
unsigned int slack = task->tk_rqstp->rq_cred->cr_auth->au_cslack;
struct rpc_rqst *req = task->tk_rqstp;
struct rpc_xprt *xprt = req->rq_xprt;
struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
const struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
int status;
dprint_status(task);
@ -2489,7 +2489,7 @@ static int rpcproc_decode_null(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
return 0;
}
static struct rpc_procinfo rpcproc_null = {
static const struct rpc_procinfo rpcproc_null = {
.p_encode = rpcproc_encode_null,
.p_decode = rpcproc_decode_null,
};

19
net/sunrpc/rpcb_clnt.c
View File

@ -128,13 +128,13 @@ struct rpcbind_args {
int r_status;
};
static struct rpc_procinfo rpcb_procedures2[];
static struct rpc_procinfo rpcb_procedures3[];
static struct rpc_procinfo rpcb_procedures4[];
static const struct rpc_procinfo rpcb_procedures2[];
static const struct rpc_procinfo rpcb_procedures3[];
static const struct rpc_procinfo rpcb_procedures4[];
struct rpcb_info {
u32 rpc_vers;
struct rpc_procinfo * rpc_proc;
const struct rpc_procinfo *rpc_proc;
};
static const struct rpcb_info rpcb_next_version[];
@ -620,7 +620,8 @@ int rpcb_v4_register(struct net *net, const u32 program, const u32 version,
return -EAFNOSUPPORT;
}
static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt, struct rpcbind_args *map, struct rpc_procinfo *proc)
static struct rpc_task *rpcb_call_async(struct rpc_clnt *rpcb_clnt,
struct rpcbind_args *map, const struct rpc_procinfo *proc)
{
struct rpc_message msg = {
.rpc_proc = proc,
@ -671,7 +672,7 @@ static struct rpc_clnt *rpcb_find_transport_owner(struct rpc_clnt *clnt)
void rpcb_getport_async(struct rpc_task *task)
{
struct rpc_clnt *clnt;
struct rpc_procinfo *proc;
const struct rpc_procinfo *proc;
u32 bind_version;
struct rpc_xprt *xprt;
struct rpc_clnt *rpcb_clnt;
@ -994,7 +995,7 @@ out_fail:
* since the Linux kernel RPC code requires only these.
*/
static struct rpc_procinfo rpcb_procedures2[] = {
static const struct rpc_procinfo rpcb_procedures2[] = {
[RPCBPROC_SET] = {
.p_proc = RPCBPROC_SET,
.p_encode = rpcb_enc_mapping,
@ -1027,7 +1028,7 @@ static struct rpc_procinfo rpcb_procedures2[] = {
},
};
static struct rpc_procinfo rpcb_procedures3[] = {
static const struct rpc_procinfo rpcb_procedures3[] = {
[RPCBPROC_SET] = {
.p_proc = RPCBPROC_SET,
.p_encode = rpcb_enc_getaddr,
@ -1060,7 +1061,7 @@ static struct rpc_procinfo rpcb_procedures3[] = {
},
};
static struct rpc_procinfo rpcb_procedures4[] = {
static const struct rpc_procinfo rpcb_procedures4[] = {
[RPCBPROC_SET] = {
.p_proc = RPCBPROC_SET,
.p_encode = rpcb_enc_getaddr,

2
net/sunrpc/stats.c
View File

@ -191,7 +191,7 @@ void rpc_count_iostats(const struct rpc_task *task, struct rpc_iostats *stats)
EXPORT_SYMBOL_GPL(rpc_count_iostats);
static void _print_name(struct seq_file *seq, unsigned int op,
struct rpc_procinfo *procs)
const struct rpc_procinfo *procs)
{
if (procs[op].p_name)
seq_printf(seq, "\t%12s: ", procs[op].p_name);