mirror of
https://gitee.com/bianbu-linux/linux-6.6
synced 2025-07-24 01:54:03 -04:00
906a76cc76
Use vmalloc_array and vcalloc to protect against
multiplication overflows.
The changes were done using the following Coccinelle
semantic patch:
// <smpl>
@initialize:ocaml@
@@
let rename alloc =
match alloc with
"vmalloc" -> "vmalloc_array"
| "vzalloc" -> "vcalloc"
| _ -> failwith "unknown"
@@
size_t e1,e2;
constant C1, C2;
expression E1, E2, COUNT, x1, x2, x3;
typedef u8;
typedef __u8;
type t = {u8,__u8,char,unsigned char};
identifier alloc = {vmalloc,vzalloc};
fresh identifier realloc = script:ocaml(alloc) { rename alloc };
@@
(
alloc(x1*x2*x3)
|
alloc(C1 * C2)
|
alloc((sizeof(t)) * (COUNT), ...)
|
- alloc((e1) * (e2))
+ realloc(e1, e2)
|
- alloc((e1) * (COUNT))
+ realloc(COUNT, e1)
|
- alloc((E1) * (E2))
+ realloc(E1, E2)
)
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Link: https://lore.kernel.org/r/20230627144339.144478-10-Julia.Lawall@inria.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|---|---|---|
| .. | ||
| pds_core | ||
| xgbe | ||
| 7990.c | ||
| 7990.h | ||
| a2065.c | ||
| a2065.h | ||
| amd8111e.c | ||
| amd8111e.h | ||
| ariadne.c | ||
| ariadne.h | ||
| atarilance.c | ||
| au1000_eth.c | ||
| au1000_eth.h | ||
| declance.c | ||
| hplance.c | ||
| hplance.h | ||
| Kconfig | ||
| lance.c | ||
| Makefile | ||
| mvme147.c | ||
| nmclan_cs.c | ||
| pcnet32.c | ||
| sun3lance.c | ||
| sunlance.c | ||