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NFS: Fix a buffer overflow in the allocation of struct nfs_read/writedata

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2007-04-10 09:26:35 -04:00
parent c63c7b0513
commit 8d5658c949
7 changed files with 41 additions and 24 deletions
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include/linux/nfs_fs.h
+2 -2
View File
@@ -455,7 +455,7 @@ nfs_have_writebacks(struct inode *inode)
/*
* Allocate nfs_write_data structures
*/
extern struct nfs_write_data *nfs_writedata_alloc(size_t len);
extern struct nfs_write_data *nfs_writedata_alloc(unsigned int npages);
/*
* linux/fs/nfs/read.c
@@ -469,7 +469,7 @@ extern void nfs_readdata_release(void *data);
/*
* Allocate nfs_read_data structures
*/
extern struct nfs_read_data *nfs_readdata_alloc(size_t len);
extern struct nfs_read_data *nfs_readdata_alloc(unsigned int npages);
/*
* linux/fs/nfs3proc.c
include/linux/nfs_page.h
+2 -2
View File
@@ -55,7 +55,7 @@ struct nfs_pageio_descriptor {
unsigned int pg_base;
struct inode *pg_inode;
int (*pg_doio)(struct inode *, struct list_head *, size_t, int);
int (*pg_doio)(struct inode *, struct list_head *, unsigned int, size_t, int);
int pg_ioflags;
int pg_error;
};
@@ -75,7 +75,7 @@ extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct
unsigned long idx_start, unsigned int npages);
extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
struct inode *inode,
int (*doio)(struct inode *, struct list_head *, size_t, int),
int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int),
size_t bsize,
int how);
extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *,